Computer Network and Internet Security: Expert Network Setup & Cybersecurity Services

Professional Home & Business Network Installation, WiFi Setup, and Complete Internet Security Solutions

Professional computer networking and security services for homes and businesses

Is your home or business network running slowly, experiencing constant connectivity issues, or vulnerable to security threats? Do you need professional network installation, WiFi setup, or internet security solutions? The Original PC Doctor delivers expert computer networking services and comprehensive cybersecurity protection for homes and businesses throughout Melbourne and surrounding areas.

From simple home WiFi setup to complex business network infrastructure, VPN configuration, firewall implementation, and complete cybersecurity solutions, our certified network technicians have the expertise to design, install, secure, and maintain networks of any size. Whether you’re setting up your first home network, upgrading outdated office infrastructure, troubleshooting connectivity problems, or protecting against cyber threats, we provide same-day service with guaranteed results.

Call 1300 723 628 now for same-day network and security support, or book online for convenient scheduling. Available 7 days a week with onsite and remote support options.

Understanding Computer Networks: From Simple Connections to Complex Infrastructure

Most people don’t realize that before the Internet revolutionized global communication, basic networking technology was already connecting computers within offices and research facilities. The first computer networks were developed in the 1960s to send simple messages and small amounts of data between computers in the same building or campus. These early networks, like ARPANET (the precursor to the Internet), demonstrated the immense potential of connected computing systems.

Today, the networks we often take for granted are exchanging vast amounts of information—terabytes of data every second—that is integral to ensuring the smooth operation of millions of businesses around the world. Modern networks power everything from small home offices to massive data centers, enabling cloud computing, video conferencing, online banking, e-commerce, streaming services, and countless other applications that modern life depends upon.

What is a Computer Network?

A computer network is simply a system of two or more computers, devices, or systems that are connected and communicating with each other to share information, resources, and services. A network connection describes how those computers and devices communicate—whether through wired ethernet cables, wireless WiFi signals, fiber optic connections, or even cellular networks.

Modern networks can be as simple as two computers sharing files in a home office, or as complex as a multinational corporation’s infrastructure connecting thousands of employees across multiple continents with secure access to centralized databases, cloud services, and communication platforms. Regardless of size, every network requires proper design, configuration, security, and maintenance to function reliably and securely.

Complete Network Setup and Security Services: Everything Your Home or Business Needs

Home Network Installation and WiFi Setup Services

Your home network connects all your devices—computers, smartphones, tablets, smart TVs, gaming consoles, security cameras, smart home devices, printers, and more. A properly configured home network provides fast, reliable connectivity throughout your entire home while maintaining security against external threats. Our home network installation services ensure optimal performance, complete coverage, and robust security.

Home WiFi Network Setup and Optimization

WiFi has become essential for modern homes, but many people struggle with dead zones, slow speeds, dropped connections, and devices that won’t stay connected. Our WiFi setup services include comprehensive site surveys to identify optimal router placement, configuration of modern dual-band or tri-band routers for maximum speed, setup of mesh WiFi systems for whole-home coverage eliminating dead zones, proper channel selection to avoid interference from neighbors, security configuration including WPA3 encryption, guest network setup for visitors, parental controls and content filtering, and device prioritization for gaming and streaming.

We work with all major WiFi router brands including Netgear Nighthawk and Orbi, TP-Link Deco and Archer, Asus RT and ZenWiFi, Linksys Velop, Google Nest WiFi, Eero mesh systems, Apple AirPort and AirPort Extreme, and more. Whether you have a small apartment or large multi-story home, we ensure reliable WiFi coverage everywhere you need it.

Home Network Wired Infrastructure

While WiFi is convenient, wired ethernet connections provide faster speeds, lower latency, and more reliability for stationary devices. Our home network services include ethernet cable installation throughout your home, network switch installation for connecting multiple wired devices, powerline adapter setup using existing electrical wiring, patch panel and wall outlet installation for clean professional appearance, and cable management for organized, safe installations. Wired connections are ideal for desktop computers, gaming consoles, smart TVs for 4K/8K streaming, home office workstations, and network attached storage (NAS) devices.

Smart Home Network Integration

Smart home devices require properly configured networks to function reliably. We setup dedicated IoT networks separate from main devices for security, configure smart home hubs (Google Home, Amazon Alexa, Apple HomeKit), connect and troubleshoot smart thermostats, lighting, cameras, doorbells, locks, and appliances, implement network security specifically for IoT devices which are often vulnerable, and ensure all smart devices work harmoniously without interfering with regular network traffic.

Home Media Network Setup

Streaming 4K and 8K video, online gaming, and video conferencing require significant bandwidth and proper network configuration. Our media network services include configuring Quality of Service (QoS) to prioritize streaming and gaming traffic, setting up network attached storage for media libraries, configuring DLNA and media streaming between devices, optimizing network for online gaming with low latency, and setting up Plex, Kodi, or other media server software. We ensure your network can handle multiple 4K streams, video calls, and gaming simultaneously without buffering or lag.

Business Network Installation and Infrastructure Services

Business networks require professional design, installation, and configuration to ensure reliability, security, scalability, and performance. Unlike consumer-grade home networks, business network infrastructure must support multiple users, handle heavy data traffic, maintain uptime critical for operations, provide secure remote access, comply with industry regulations, and scale as your business grows. Our business network installation services deliver enterprise-grade solutions tailored to your specific needs and budget.

Complete Office Network Design and Installation

We design and install networks for businesses of all sizes from small offices with 5-10 employees to medium enterprises with 100+ users. Our comprehensive business network installation includes needs assessment and network planning, structured cabling installation (Cat6, Cat6a, fiber optic), network closet setup with proper cooling and power, commercial-grade switches and routers, wireless access point installation for office WiFi coverage, network segmentation using VLANs for security, server rack installation and cable management, redundancy and failover systems to prevent downtime, and complete network documentation for future maintenance.

We use commercial-grade equipment from industry leaders including Cisco switches and routers, Ubiquiti UniFi access points and switches, Dell networking equipment, HPE (Hewlett Packard Enterprise), Netgear business-class equipment, TP-Link Omada, and Mikrotik for advanced configurations. All installations meet current industry standards and best practices.

Network Infrastructure Upgrades and Expansion

As businesses grow, network infrastructure must expand and upgrade to handle increased demands. We provide network expansion services including adding new network drops and cabling, upgrading switches for higher port density and speeds, implementing 10 Gigabit ethernet for high-speed connectivity, upgrading WiFi to WiFi 6 (802.11ax) or WiFi 6E for better performance, fiber optic installation for long-distance or high-speed connections, network refresh replacing outdated equipment, and capacity planning to accommodate future growth. We minimize disruption by performing upgrades during off-hours when possible.

Server Room and Data Center Setup

Proper server room infrastructure is critical for business continuity. Our data center services include server rack installation and configuration, structured cabling and patch panels, network switch and router installation, uninterruptible power supply (UPS) installation for backup power, environmental monitoring (temperature, humidity), cooling system assessment and recommendations, physical security (access controls, cameras), cable management for airflow and organization, and emergency power-off systems. We ensure your server room meets industry standards for safety, cooling, and accessibility.

Multi-Site Business Network Connectivity

Businesses with multiple locations require secure, reliable connectivity between sites. We implement multi-site networking including site-to-site VPN tunnels for secure connections, MPLS circuits for guaranteed bandwidth, SD-WAN for flexible multi-site connectivity, centralized network management across locations, cloud-based networking for distributed teams, failover and redundancy between sites, and unified communications across all locations. Whether you have two offices or twenty, we connect them seamlessly and securely.

Wireless Network (WiFi) Setup and Troubleshooting

WiFi networks require careful planning, configuration, and optimization to deliver reliable performance. Poor WiFi setup leads to dead zones, slow speeds, dropped connections, and security vulnerabilities. Our wireless network specialists provide comprehensive WiFi solutions for homes and businesses.

WiFi Site Survey and Planning

Professional WiFi deployment starts with proper planning. We conduct site surveys to identify optimal access point locations, measure signal strength throughout the space, detect interference from neighboring networks or electronic devices, determine how many access points are needed for complete coverage, select appropriate channels to minimize interference, and create heat maps showing expected coverage and signal strength. This planning phase ensures optimal WiFi performance before installation begins.

Enterprise WiFi Network Installation

Business WiFi networks require enterprise-grade equipment and configuration. We install commercial WiFi systems including ceiling-mounted access points for optimal coverage, controller-based WiFi for centralized management, multiple SSIDs for employees, guests, and IoT devices, 802.1X authentication for network security, captive portal for guest registration, seamless roaming between access points, load balancing across multiple access points, and monitoring and management tools for ongoing optimization. Common enterprise WiFi platforms we deploy include Ubiquiti UniFi, Cisco Meraki, Aruba Networks, Ruckus, and TP-Link Omada.

WiFi Security Configuration

Wireless networks are inherently vulnerable without proper security. We implement comprehensive WiFi security including WPA3 encryption (the latest security standard), WPA2 Enterprise for business networks, hidden SSID options, MAC address filtering, guest network isolation from main network, rogue access point detection, strong password policies, regular firmware updates, and wireless intrusion detection/prevention. We ensure your WiFi network is protected against unauthorized access, eavesdropping, and attacks.

WiFi Performance Optimization

Slow or unreliable WiFi often results from poor configuration rather than inadequate hardware. We optimize WiFi performance through channel optimization to avoid congestion, bandwidth allocation and Quality of Service (QoS), power level adjustment for optimal coverage, interference mitigation, firmware updates for better performance and security, antenna positioning and selection, client device optimization, and regular monitoring and adjustment. Most WiFi problems can be resolved through proper configuration and optimization.

Mesh WiFi System Installation

Mesh WiFi systems provide seamless whole-home or office coverage using multiple access points that work together as a unified network. We install and configure mesh systems from major manufacturers including Google Nest WiFi, Eero (Amazon), Netgear Orbi, TP-Link Deco, Asus ZenWiFi, Linksys Velop, and Ubiquiti AmpliFi. Mesh systems are ideal for larger homes, multi-story buildings, concrete or brick construction, and any space where a single router can’t provide adequate coverage. We position mesh nodes for optimal performance and configure advanced features like device prioritization and parental controls.

Network Security and Cybersecurity Services

Network security is no longer optional—it’s essential. Cyber threats including malware, ransomware, phishing attacks, data breaches, and hacking attempts pose serious risks to both home users and businesses. Our network security services and cybersecurity solutions protect your network, data, and devices from evolving threats.

Firewall Installation and Configuration

Firewalls are the first line of defense against network attacks. We implement and configure business-grade firewalls including next-generation firewalls (NGFW) with deep packet inspection, unified threat management (UTM) appliances, software firewalls for endpoints, firewall rules and policies tailored to your needs, intrusion prevention systems (IPS), application layer filtering, geo-blocking to prevent access from suspicious countries, and regular rule review and optimization. We deploy firewalls from leading manufacturers including Fortinet FortiGate, SonicWall, pfSense, Cisco, WatchGuard, and Sophos.

Virtual Private Network (VPN) Setup and Management

VPNs provide secure remote access and encrypt data transmission. Our VPN setup services include remote access VPN for employees working from home, site-to-site VPN connecting multiple office locations, SSL VPN for browser-based secure access, IPsec VPN for maximum security, VPN client configuration on laptops and mobile devices, multi-factor authentication for VPN access, split tunneling configuration, and VPN performance optimization. We setup commercial VPN solutions using OpenVPN, WireGuard, Cisco AnyConnect, FortiClient, SonicWall Global VPN, and other enterprise platforms. VPNs are essential for remote workers, traveling employees, and protecting sensitive data transmission.

Network Access Control and Authentication

Controlling who can access your network prevents unauthorized access and limits damage from compromised devices. We implement network access control through 802.1X authentication for wired and wireless networks, RADIUS server setup for centralized authentication, Active Directory integration, certificate-based authentication, guest network isolation, device profiling and automatic assignment to appropriate VLANs, network admission control (NAC), and monitoring for unauthorized devices. These controls ensure only authorized users and devices can access your network resources.

Endpoint Security and Protection

Every device on your network is a potential entry point for attacks. We implement endpoint security including enterprise antivirus and anti-malware, endpoint detection and response (EDR), application whitelisting, disk encryption for laptops, mobile device management (MDM), patch management and automated updates, USB device controls, and security monitoring. We deploy solutions from Microsoft Defender, Sophos, Bitdefender, Kaspersky, ESET, Malwarebytes, and other leading security vendors.

Email Security Solutions

Email is the most common attack vector with phishing, malware, and ransomware delivered via email attachments and links. Our email security services include spam filtering and anti-phishing protection, malware and ransomware scanning, email encryption for sensitive communications, Data Loss Prevention (DLP) to prevent confidential data leaks, email archiving and retention, security awareness training for employees, DMARC/SPF/DKIM configuration to prevent email spoofing, and security incident response. We implement cloud-based email security from Mimecast, Proofpoint, Barracuda, Microsoft Defender for Office 365, and other platforms.

Data Backup and Disaster Recovery

No security is perfect, so backup and recovery capabilities are essential. We implement comprehensive backup solutions including automated daily backups of critical data, onsite backup for fast restoration, offsite or cloud backup for disaster recovery, backup testing and verification, ransomware-resistant backup strategies, virtual machine and server backups, email and database backups, and documented recovery procedures. We deploy backup solutions using Veeam, Acronis, Datto, Carbonite, Backblaze, and built-in tools like Windows Server Backup.

Security Monitoring and Threat Detection

Proactive monitoring detects threats before they cause damage. Our security monitoring services include 24/7 network monitoring, intrusion detection and prevention, log analysis and SIEM (Security Information and Event Management), anomaly detection, vulnerability scanning, security patch management, threat intelligence integration, and security incident response. For businesses requiring comprehensive protection, we offer managed security services providing continuous monitoring and expert response to security events.

Compliance and Regulatory Security

Many businesses must comply with industry regulations regarding data security and privacy. We assist with compliance including GDPR (General Data Protection Regulation) compliance, privacy law compliance for Australia, payment card industry (PCI DSS) requirements for businesses processing credit cards, healthcare privacy regulations, financial services regulations, data residency requirements, security policy documentation, and audit preparation and support. We ensure your network security meets regulatory requirements for your industry.

Internet Connection Troubleshooting and Optimization

Slow, unreliable, or non-functioning internet connections disrupt work, entertainment, and communications. Our internet connection troubleshooting services diagnose and resolve connectivity problems quickly and effectively.

Internet Speed and Performance Issues

When your internet is slower than advertised or expected, we identify the cause. Common issues include ISP problems or network congestion, outdated or overloaded modem/router, WiFi interference or poor signal, too many connected devices consuming bandwidth, malware or background programs using bandwidth, incorrect QoS configuration, DNS server problems, and ISP throttling. We test actual speeds, analyze network traffic, optimize configurations, and work with your ISP if needed to resolve speed problems. We also recommend ISP upgrades when current service is insufficient for your needs.

Intermittent Connection and Dropouts

Networks that work sometimes but fail unpredictably are frustrating to diagnose. We systematically troubleshoot intermittent issues including faulty cables or connectors, overheating modems or routers, ISP line quality problems, WiFi interference from neighboring networks or devices, firmware bugs requiring updates, IP address conflicts, DNS resolution failures, and weather-sensitive issues. Using diagnostic tools and methodical testing, we identify and eliminate the root cause of intermittent connectivity.

No Internet Connection Troubleshooting

When internet completely stops working, rapid diagnosis is essential. We troubleshoot total connection failures including ISP outages and service problems, modem or router failure, incorrect modem/router configuration, account billing or suspension issues, physical cable damage, firewall blocking connections, DNS server failures, and ISP equipment problems. We quickly determine whether the problem is with your equipment, your ISP, or configuration, and implement appropriate solutions. We carry spare modems and routers for immediate replacement when hardware fails.

Network Bandwidth Management

Multiple users and devices competing for bandwidth requires proper management. We implement bandwidth optimization through Quality of Service (QoS) configuration prioritizing critical applications, bandwidth allocation per user or department, content filtering to block bandwidth-wasting sites, traffic shaping to prevent network congestion, application control limiting bandwidth for specific programs, and monitoring and reporting on bandwidth usage. This ensures critical applications get the bandwidth they need while preventing any single user or application from monopolizing the connection.

ISP Selection and Migration

Choosing the right internet service provider and plan affects network performance and reliability. We provide ISP consultation including analyzing your bandwidth requirements, comparing available ISP options in your area, evaluating connection types (cable, fiber, DSL, fixed wireless, 4G/5G), reviewing service level agreements and support quality, negotiating with ISPs on your behalf, and managing migration to new ISPs with minimal downtime. We have experience working with all major Australian ISPs including Telstra, Optus, TPG, iiNet, Aussie Broadband, and local providers.

Network Hardware Installation and Upgrades

Network hardware—routers, switches, modems, access points, and cabling—forms the foundation of your network infrastructure. Quality hardware properly configured ensures reliable performance and longevity.

Router and Modem Installation

Routers and modems are critical network components requiring proper selection and configuration. We install and configure consumer routers for home use, business-class routers with advanced features, fiber ONTs (Optical Network Terminals), cable modems, DSL modems, 4G/5G wireless routers for mobile internet, dual-WAN routers for failover, and VPN routers for secure remote access. We configure all advanced features including port forwarding, DMZ settings, dynamic DNS, VPN passthrough, and security settings. Proper router configuration dramatically improves network performance and security.

Network Switch Installation

Network switches connect multiple wired devices and enable efficient data transmission. We install unmanaged switches for simple home use, managed switches with VLAN and QoS capabilities for businesses, PoE (Power over Ethernet) switches powering access points, cameras, and VoIP phones, stackable switches for high port density, 10 Gigabit switches for high-speed connectivity, and layer 3 switches with routing capabilities. We configure VLANs for network segmentation, link aggregation for increased bandwidth, spanning tree protocol for redundancy, and port security to prevent unauthorized connections.

Network Cabling and Infrastructure

Professional cabling provides reliable connectivity for years. We install Cat6 ethernet cabling for Gigabit speeds, Cat6a cabling for 10 Gigabit over longer distances, fiber optic cabling for long runs or high speeds, outdoor-rated cabling for exterior installations, cable management including conduit and cable trays, patch panels for organized connections, network racks and enclosures, and wall jacks and faceplates. All cabling installations are tested and certified to meet industry standards.

Wireless Access Point Installation

Professional wireless access points provide superior coverage and features compared to consumer routers. We install ceiling-mounted access points for optimal signal distribution, wall-mounted access points for specific coverage areas, outdoor access points weatherproofed for exterior coverage, WiFi 6 (802.11ax) and WiFi 6E access points for latest technology, PoE-powered access points eliminating power adapter clutter, and controller-based systems for centralized management. We configure channel assignments, power levels, SSIDs, security, and roaming for seamless connectivity.

Network Storage (NAS) Setup

Network Attached Storage provides centralized file storage, backup, and media serving. We setup and configure Synology NAS systems (popular for ease of use), QNAP NAS devices, Western Digital MyCloud, TrueNAS and FreeNAS systems, and Windows/Linux file servers. Configuration includes RAID array setup for data redundancy, user permissions and folder sharing, automated backup schedules, media server applications, remote access configuration, and data migration from existing storage. NAS devices are excellent for small businesses and media-heavy homes.

VoIP and Unified Communications Setup

Voice over IP (VoIP) phone systems provide cost-effective business communications with advanced features. Our VoIP setup services include complete phone system design and installation, IP phone configuration and deployment, VoIP gateway setup connecting traditional and IP phones, SIP trunk configuration for internet-based calling, quality of service (QoS) configuration for clear call quality, unified communications including video conferencing, failover and redundancy for critical communications, and integration with business applications. We work with major VoIP platforms including 3CX, FreePBX, Asterisk, RingCentral, Vonage, and Microsoft Teams Phone System.

Network Printer and Device Setup

Network printers and peripheral devices require proper configuration to work reliably for all users. We provide comprehensive network printer setup including wired and wireless printer configuration, print server setup for sharing non-network printers, driver installation on all computers, secure printing configuration, scan-to-email and scan-to-folder setup, printer security settings, and troubleshooting print queue and connectivity issues. We also configure network scanners, multifunction devices, label printers, and other peripherals ensuring they’re accessible to all authorized users.

Common Computer Network and Internet Problems We Fix

Here’s a comprehensive list of the most common networking and internet security problems we encounter and resolve. If your problem doesn’t appear here, don’t worry—we can still help you! Call us for a free, no-obligation quote at 1300 723 628.

Detailed Network Problem Solutions

New Office Network Installations

Setting up a new office network from scratch requires careful planning and expert implementation. Whether you’re opening a new office location, moving to a larger space, or starting a new business, professional network installation ensures reliable connectivity from day one. We design your network based on current and future needs, install structured cabling throughout the office, configure switches and routers, setup wireless access points for WiFi coverage, implement network security, and configure all workstations and devices. New office network installation typically takes 1-3 days depending on office size and complexity.

Network Password Reset and Recovery

Forgotten router passwords, lost WiFi keys, or locked network equipment can prevent access to your entire network. We provide network password recovery services including resetting router administrator passwords, recovering or resetting WiFi passwords, resetting managed switch passwords, recovery of network device configurations, and proper documentation of all passwords for future reference. We use manufacturer-specific reset procedures and, when necessary, can restore configurations while changing only the password credentials.

Internet/Cable/Broadband/4G/5G Connection Troubleshooting

Internet connectivity problems have numerous possible causes requiring systematic diagnosis. We troubleshoot all connection types including NBN connections (FTTP, FTTN, FTTC, HFC), cable internet via coaxial, ADSL and VDSL connections, fiber optic connections, fixed wireless internet, 4G/5G mobile broadband, and satellite internet. Common issues we resolve include no internet connection despite router showing connected, intermittent dropouts and disconnections, extremely slow speeds not matching your plan, high latency affecting video calls and gaming, and connection working on some devices but not others. We test connections using professional tools, identify bottlenecks, optimize configurations, and coordinate with ISPs when line issues exist.

Virtual Private Network (VPN) Setup & Troubleshooting

VPNs are essential for secure remote access but can be complex to configure properly. We setup and troubleshoot corporate VPNs for remote workers, site-to-site VPNs connecting multiple offices, personal VPNs for privacy and security, VPN clients on Windows, Mac, iOS, and Android, split tunnel vs full tunnel VPN configurations, VPN connection failures and authentication issues, slow VPN performance, and VPN compatibility with business applications. We configure VPNs using OpenVPN, WireGuard, IPsec, L2TP, and proprietary vendor solutions. Our VPN setups include multi-factor authentication for enhanced security and documentation for troubleshooting.

Email Troubleshooting: POP/SMTP/IMAP Configuration

Email configuration problems prevent sending or receiving messages. We troubleshoot and configure email accounts using POP3 protocol for downloading email to devices, IMAP protocol for synchronized email across multiple devices, SMTP server configuration for sending email, secure email using SSL/TLS encryption, modern authentication replacing basic authentication, correct port numbers (often blocked by ISPs), email client configuration in Outlook, Thunderbird, Apple Mail, and mobile apps, and fixing “cannot send” or “cannot receive” errors. We work with all email providers including Microsoft 365, Google Workspace, GoDaddy, Bluehost, and private email servers.

Wireless (WiFi) Networking Troubleshooting

WiFi problems are among the most common network issues. We diagnose and resolve WiFi not working or showing “no internet”, devices unable to find or connect to WiFi network, correct password rejected, WiFi connected but very slow speeds, frequent disconnections and dropouts, some devices work while others don’t, WiFi dead zones with no coverage, interference from neighboring networks, and poor performance in specific rooms or areas. Solutions include router placement optimization, channel selection, WiFi extenders or mesh systems for coverage, updating WiFi drivers, adjusting router settings, and replacing outdated equipment.

Apple AirPort/AirPort Extreme Troubleshooting and Setup

Although Apple discontinued AirPort products, many users still rely on these routers. We provide specialized support for Apple AirPort Express, AirPort Extreme, and AirPort Time Capsule including configuration using AirPort Utility, firmware updates for security and performance, extending WiFi networks using multiple AirPorts, Time Machine backup configuration with Time Capsule, printer and speaker setup via AirPort Express, troubleshooting flashing amber lights, and migration from AirPort to current routers when replacement is needed. We understand Apple’s unique networking approach and can integrate AirPorts with non-Apple devices.

Ethernet Card Troubleshooting and Replacement

Wired network connections require functioning network interface cards (NICs). We diagnose and repair ethernet adapter not recognized or showing disabled, driver problems preventing connectivity, physical damage to ethernet ports, slow speeds on Gigabit-capable connections, and intermittent wired connections. Solutions include updating or reinstalling network drivers, enabling disabled network adapters, replacing failed ethernet cards with new adapters (PCIe for desktops, USB for laptops), and testing cabling and switch ports to isolate problems. Modern replacements support Gigabit (1000 Mbps) or even 2.5/10 Gigabit speeds.

Network Printer Setup and Troubleshooting

Network printers must be properly configured for reliable operation. We setup wired ethernet printers, wireless WiFi printers, network printer sharing from computers, print servers connecting USB printers to networks, printer drivers on all workstations, default printer assignments, secure printing requiring PIN codes, scan-to-folder and scan-to-email configuration, and mobile printing via AirPrint or Google Cloud Print. Troubleshooting includes resolving “printer offline” errors, print job stuck in queue, printer not found on network, authentication failures, and print quality issues.

Network Storage Device Setup and Maintenance

Network Attached Storage (NAS) devices provide centralized file storage and backup. We setup Synology, QNAP, Western Digital, and other NAS devices including initial configuration and account setup, RAID array configuration for data redundancy, shared folder creation with proper permissions, automatic backup scheduling from computers and servers, media server setup for streaming, remote access configuration for accessing files anywhere, user account and group management, and regular maintenance including firmware updates and drive health monitoring. NAS devices are excellent for businesses needing centralized file storage and homes with large media libraries.

TCP/IP Protocol Conflict and Configuration Issues

TCP/IP is the fundamental protocol suite enabling network communications. Configuration problems prevent connectivity. We resolve IP address conflicts (two devices using same IP), incorrect IP configuration preventing network access, subnet mask misconfigurations, default gateway problems, IPv4 vs IPv6 conflicts, static IP assignment when needed, and network profile issues (public vs private). We properly configure TCP/IP settings using DHCP for automatic assignment or static addressing when required for servers, printers, and network equipment. Proper TCP/IP configuration is fundamental to network functionality.

DHCP and DNS Troubleshooting

DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses, while DNS (Domain Name System) translates website names to IP addresses. When these services fail, connectivity problems result. We troubleshoot DHCP server failures preventing devices from obtaining IP addresses, DHCP scope exhaustion when all addresses are assigned, DNS resolution failures causing “cannot find server” errors, DNS server problems or misconfigurations, DNS cache poisoning and security issues, and configuring alternative DNS servers (Google DNS, Cloudflare DNS, OpenDNS). We setup and configure DHCP servers, manage address reservations for critical devices, and optimize DNS for speed and security.

Slow Internet or Network Bandwidth Performance Troubleshooting

Slow network performance affects productivity and user experience. We diagnose bandwidth problems including insufficient internet plan for number of users, network congestion from too many simultaneous users, bandwidth-hogging applications or users, malware consuming bandwidth, WiFi interference reducing wireless speeds, outdated network equipment creating bottlenecks, ISP throttling or congestion, and inefficient network topology. Solutions include bandwidth monitoring to identify heavy users, QoS implementation to prioritize important traffic, network upgrades to faster equipment, WiFi optimization, ISP plan upgrades, and traffic shaping to manage congestion. We use tools like bandwidth monitors, speed tests, and packet analyzers to identify bottlenecks.

Port Forwarding and Firewall Configuration

Port forwarding enables external access to services running on your network, while firewalls protect against unauthorized access. Proper configuration requires expertise to balance accessibility with security. We configure port forwarding for gaming consoles and PCs for optimal multiplayer performance, security camera remote viewing, web servers and FTP servers, remote desktop and VPN access, torrent clients and media servers, VoIP phone systems, and custom applications requiring specific ports. We also configure firewall rules permitting necessary traffic while blocking threats, implement port triggering and UPnP where appropriate, and setup DMZ for specific devices needing full external access. Incorrect port forwarding or firewall configuration causes connection failures or security vulnerabilities.

Internet/Wireless WEP/WPA/WPA2/WPA3 Security Setup and Troubleshooting

WiFi security prevents unauthorized network access and protects data transmitted wirelessly. We implement modern security standards including WPA3 encryption (strongest, latest standard supported by newer devices), WPA2 encryption (widely compatible, still secure), disabling outdated WEP encryption (easily cracked, insecure), proper password complexity requirements, 802.1X authentication for enterprise networks, MAC address filtering for additional security, hidden SSID options, and guest network isolation. We troubleshoot devices unable to connect due to security settings, incompatibility between old devices and new security, and weak passwords vulnerable to brute force attacks. WiFi security must balance protection against usability.

Voice Over IP (VoIP) Setup and Troubleshooting

VoIP phone systems require proper network configuration for clear, reliable calls. We setup complete VoIP phone systems including SIP trunk configuration with providers, IP phone deployment and configuration, VoIP gateway setup connecting traditional phones, Quality of Service (QoS) to prioritize voice traffic, codec selection for call quality vs bandwidth, firewall configuration for VoIP traffic, and troubleshooting one-way audio (you hear them, they can’t hear you), choppy or robotic audio quality, dropped calls and connection failures, echo and feedback problems, registration failures with VoIP providers, and DTMF tone problems. VoIP requires sufficient bandwidth, low latency, and proper QoS configuration. We test network suitability for VoIP before deployment.

Why Choose The Original PC Doctor for Network and Internet Security Services?

Over 20 Years of Networking Expertise

The Original PC Doctor has provided professional network installation, troubleshooting, and security services for over two decades. Our technicians have extensive experience with networks of all sizes—from simple home WiFi setups to complex multi-site enterprise infrastructures. We’ve designed and implemented networks for startups, small businesses, medium enterprises, and residential customers throughout Melbourne and Victoria. This depth of experience means we’ve encountered virtually every network problem imaginable and developed efficient solutions. We stay current with emerging technologies, security threats, and industry best practices through continuous training and certifications.

Same-Day Onsite and Remote Network Support

Network problems disrupt work, communications, and business operations. We understand that staying online is extremely important, which is why our network specialists provide same-day service for urgent issues. We offer flexible support options including onsite visits to your home or office where technicians can access physical equipment, remote support for software configuration and troubleshooting accessed securely from our office, emergency after-hours support for critical business network failures, and weekend service because network problems don’t respect business hours. Our goal is to minimize your downtime and get your network operational as quickly as possible.

Comprehensive Network and Security Solutions

From network installations to upgrades, troubleshooting, and security implementation, we handle all networking needs. Our comprehensive services include network design and installation for new offices, WiFi setup and optimization, network security and cybersecurity protection, VPN configuration and remote access, firewall implementation, email configuration and troubleshooting, VoIP phone system setup, network monitoring and maintenance, and disaster recovery planning. We’re your single source for all networking and security needs—no need to coordinate multiple vendors or struggle with finger-pointing when problems arise.

Certified, Experienced Network Technicians

Our technicians are hand-selected for both technical expertise and customer service skills. The Original PC Doctor employs certified professionals who have been highly trained in all aspects of IT networking, including structured cabling installation and standards, router and switch configuration, wireless network design and optimization, network security and firewall configuration, VPN and remote access solutions, VoIP implementation, and network troubleshooting methodologies. Many hold industry certifications including CompTIA Network+, Cisco CCNA (Cisco Certified Network Associate), Ubiquiti UniFi certifications, and vendor-specific qualifications. More importantly, our technicians communicate clearly in plain language without overwhelming you with technical jargon.

Business and Home Network Specialists

Whether you need a simple home WiFi setup or complex business network infrastructure, we have the expertise. For homes, we setup whole-home WiFi coverage, smart home network integration, media streaming optimization, gaming network configuration, parental controls and content filtering, and network security protecting your family. For businesses, we provide enterprise-grade network design and installation, network security and compliance, remote worker VPN access, office-to-office connectivity, server and data center networking, and managed network services with proactive monitoring. We scale our solutions to your specific needs and budget.

No Fix, No Fee Guarantee and Satisfaction Guarantee

All network and internet security services are backed by our “No Fix, No Fee” policy and our “14-Day Work Satisfaction Guaranteed™” commitment. If we can’t resolve your network problem, you don’t pay for the service attempt. This guarantee demonstrates our confidence in our technical abilities and commitment to customer satisfaction. We stand behind our work—if you’re not completely satisfied with our network installation, security implementation, or troubleshooting, we’ll make it right or refund your money. This gives you complete peace of mind that your technology investment is well cared for.

Australian-Based Local Service and Support

When you call us, you reach our Australian-based call centre staffed by knowledgeable professionals who understand local networking challenges, ISPs, and technologies. We’re not an overseas call center reading from scripts—we’re local technicians who live and work in your community. Our technicians are familiar with Australian ISPs including Telstra, Optus, TPG, iiNet, and Aussie Broadband, local network infrastructure and NBN challenges, regional internet availability and limitations, and Australian privacy and security regulations. Supporting local businesses and homeowners is our priority, and we take pride in delivering personalized service that national chains and overseas support can’t match.

Transparent Pricing with No Hidden Fees

We believe in honest, upfront pricing. Before beginning work, we provide clear quotes explaining what we’ll do and what it will cost. Our pricing includes diagnostic and assessment when part of complete service, labor charges for installation and configuration, parts and equipment at fair prices, and documentation and training on how to use your new network. We never surprise you with hidden charges, inflated parts markups, unnecessary upgrades, or surprise fees. What we quote is what you pay.

Ongoing Support and Maintenance Plans

Networks require ongoing maintenance, security updates, and optimization. We offer flexible support plans including pay-as-you-go support for occasional needs, monthly maintenance plans with regular check-ins and updates, comprehensive managed network services with 24/7 monitoring, and emergency support for critical failures. Regular maintenance prevents problems before they disrupt your operations, keeps security current against evolving threats, optimizes performance as usage patterns change, and provides documented network configuration for troubleshooting. Many business clients find that proactive maintenance is more cost-effective than reactive repairs.

Comprehensive Internet Security Solutions: Protecting Your Network from Cyber Threats

Understanding Modern Cyber Threats

The cybersecurity threat landscape evolves constantly with increasingly sophisticated attacks targeting both businesses and home users. Understanding these threats is the first step toward protecting against them.

Common Cyber Threats and Attack Methods

Malware and Ransomware: Malicious software infects computers and networks causing damage, stealing data, or encrypting files for ransom. Ransomware attacks have increased dramatically, targeting businesses with demands for thousands or millions in cryptocurrency payments. Modern ransomware not only encrypts files but exfiltrates sensitive data, threatening to publish it if ransom isn’t paid. We implement multi-layered defenses including endpoint protection, email filtering, network segmentation, backup solutions enabling recovery without paying ransom, and employee training to recognize suspicious files and links.

Phishing and Social Engineering: Attackers use fake emails, messages, and phone calls impersonating banks, government agencies, or trusted companies to steal credentials, financial information, or trick victims into installing malware. Phishing has become incredibly sophisticated with emails nearly indistinguishable from legitimate communications. We implement email security filtering catching most phishing attempts, web filtering blocking known phishing sites, multi-factor authentication preventing account takeover even if passwords are stolen, and comprehensive security awareness training teaching employees to recognize and report phishing.

Network Intrusions and Hacking: Attackers exploit vulnerabilities in network devices, applications, and configurations to gain unauthorized access. Once inside networks, they can steal data, install backdoors for future access, move laterally to other systems, or deploy ransomware. We prevent intrusions through firewall configuration with strict rules, intrusion detection and prevention systems, regular vulnerability scanning and patching, network segmentation limiting attacker movement, and security monitoring detecting anomalous activity.

DDoS Attacks: Distributed Denial of Service attacks overwhelm networks or websites with massive traffic floods from thousands of compromised computers, rendering services inaccessible. While large-scale DDoS attacks typically target major websites, smaller attacks can disrupt business operations. We implement DDoS protection through firewall rate limiting, cloud-based DDoS mitigation services for websites, redundant internet connections, and incident response plans for rapid response.

Man-in-the-Middle Attacks: Attackers intercept communications between two parties, eavesdropping or modifying data in transit. Public WiFi hotspots are particularly vulnerable. We protect against these attacks through VPN encryption for remote workers and public WiFi use, SSL/TLS encryption for websites and applications, certificate validation, and secure WiFi configuration with strong encryption.

IoT Device Vulnerabilities: Smart home devices, security cameras, thermostats, and other Internet of Things devices often have weak security and become entry points for network attacks. We secure IoT devices by isolating them on separate VLANs, changing default passwords, disabling unnecessary features and ports, applying firmware updates, and restricting internet access when cloud connectivity isn’t needed.

Layered Security Approach (Defense in Depth)

Effective cybersecurity requires multiple overlapping layers of protection. If one layer fails, others provide backup protection. Our comprehensive security implementations include perimeter security with firewalls and intrusion prevention, network security with segmentation and access controls, endpoint security with antivirus and EDR, application security with updates and secure configuration, data security with encryption and backups, and human security through training and awareness.

Security Assessment and Vulnerability Testing

Understanding your current security posture is essential. We conduct comprehensive security assessments including network vulnerability scanning identifying unpatched systems and misconfigurations, penetration testing simulating real attacks to find weaknesses, wireless security audits testing WiFi security, physical security assessment of network equipment access, security policy review, and compliance gap analysis for regulatory requirements. Assessment results include prioritized recommendations for improving security, implementation roadmap, and cost estimates. Regular assessments (quarterly or annually) ensure security keeps pace with evolving threats.

Incident Response and Recovery

Despite best efforts, security incidents sometimes occur. Rapid response limits damage and speeds recovery. We provide incident response services including 24/7 emergency support for active attacks, malware and ransomware removal and recovery, forensic investigation determining attack scope and data accessed, system restoration and rebuilding, evidence preservation for potential legal action, and post-incident review identifying how attacks occurred and prevention strategies. We help businesses develop incident response plans documenting procedures, contact information, and responsibilities before incidents occur.

Security Awareness Training for Employees

Employees are often the weakest security link—but also the strongest defense when properly trained. We provide security awareness training covering recognizing phishing emails and suspicious links, password security and multi-factor authentication, secure remote work practices, physical security (not leaving computers unlocked), social engineering tactics, mobile device security, and reporting security incidents. Training can be onsite workshops, online modules, or regular security tips. Well-trained employees prevent most attacks from succeeding.

Compliance and Regulatory Security Requirements

Many businesses must comply with security regulations including data protection and privacy laws, payment card industry (PCI DSS) for credit card processing, healthcare privacy regulations, financial services regulations, government contracting security requirements, and industry-specific standards. We help businesses achieve and maintain compliance through security policy documentation, technical control implementation, audit preparation and support, ongoing monitoring and reporting, and regular compliance assessments. Non-compliance risks significant fines and legal liability.

Understanding Network Technology: Essential Knowledge for Home and Business Users

Network Connection Types Explained

Ethernet (Wired Networks): Wired ethernet connections use physical cables (typically Cat5e, Cat6, or Cat6a) connecting devices to switches and routers. Ethernet provides the fastest, most reliable, and most secure network connections. Modern ethernet supports speeds from 100 Mbps (Fast Ethernet) to 10 Gbps or higher. Advantages include consistent speeds without interference, lowest latency for gaming and real-time applications, more secure than wireless, and maximum reliability. Disadvantages include requiring physical cable installation and lack of mobility. Ethernet is ideal for desktop computers, servers, network equipment, printers, and gaming consoles.

WiFi (Wireless Networks): WiFi uses radio waves to connect devices wirelessly within a limited range. WiFi standards have evolved dramatically: WiFi 4 (802.11n, up to 600 Mbps), WiFi 5 (802.11ac, up to 3.5 Gbps), and WiFi 6/6E (802.11ax, up to 9.6 Gbps with better efficiency). Modern WiFi operates on 2.4 GHz bands (slower, longer range, more interference) and 5 GHz bands (faster, shorter range, less interference), with WiFi 6E adding 6 GHz bands. Advantages include mobility and convenience, no cables required, easy addition of new devices, and guest network capabilities. Disadvantages include slower than wired connections, interference from walls and other networks, security concerns if improperly configured, and reduced performance with many devices. WiFi is ideal for mobile devices, laptops, tablets, smartphones, and devices where wiring is impractical.

Fiber Optic: Fiber optic connections use light pulses through glass or plastic fibers to transmit data. Fiber provides the highest speeds (1-100 Gbps or higher) over very long distances without signal degradation. Used for internet service provider connections (FTTP – Fiber to the Premises), long cable runs between buildings, and data center interconnections. Advantages include extremely high bandwidth, immune to electromagnetic interference, long-distance capability, and future-proof technology. Disadvantages include higher installation cost and requiring specialized equipment and expertise. Fiber is increasingly common for business internet and residential NBN connections.

Cellular Networks (4G/5G): Mobile broadband using cellular networks provides internet access where wired connections aren’t available. 4G LTE offers speeds of 20-100 Mbps typically, while 5G promises 1-10 Gbps in ideal conditions (though real-world speeds are lower). Advantages include available almost anywhere with cell coverage, portable internet for mobile users, and backup connection if primary internet fails. Disadvantages include generally slower and less reliable than wired connections, data caps and higher costs, and latency higher than fixed connections. Used for remote locations, mobile workers, and backup connections.

Network Hardware Components Explained

Routers: Routers connect your network to the internet and route traffic between networks. Home routers typically combine router, switch, and wireless access point in one device. Business routers are separate devices with advanced features including multiple WAN connections for failover, VPN capabilities, advanced routing protocols, Quality of Service (QoS), and extensive security features. The router is the gateway between your private network and the public internet, making it critical for both connectivity and security.

Switches: Network switches connect multiple wired devices on the same network. Unmanaged switches are simple plug-and-play devices for home use. Managed switches offer VLAN configuration for network segmentation, Port mirroring for monitoring, Link aggregation combining multiple connections, Quality of Service prioritization, and extensive monitoring and management. PoE (Power over Ethernet) switches power devices like IP cameras, phones, and access points through network cables.

Wireless Access Points: Access points provide WiFi connectivity. Consumer routers include built-in access points, but business-grade access points are separate devices offering better performance, wider coverage, more simultaneous device support, centralized management, and advanced features like band steering and seamless roaming. Multiple access points create extended WiFi coverage with devices automatically connecting to the strongest signal.

Modems: Modems connect your network to your Internet Service Provider. Different connection types require specific modems: cable modems for cable internet via coaxial, DSL modems for phone line internet, fiber ONTs (Optical Network Terminals) for fiber connections, and cellular modems for 4G/5G connections. Many ISPs provide modems, but using your own compatible modem can save monthly rental fees and provide better performance.

Firewalls: Firewalls filter network traffic based on security rules, blocking unauthorized access while permitting legitimate communications. Software firewalls run on individual computers, while hardware firewalls protect entire networks. Next-generation firewalls include intrusion prevention, malware scanning, application control, and VPN capabilities. Every network should have firewall protection at the perimeter.

Network Protocols and Standards

TCP/IP (Transmission Control Protocol/Internet Protocol): The fundamental protocol suite enabling internet and network communications. IP addresses identify devices on networks (like street addresses for houses), while TCP ensures reliable data delivery. IPv4 uses 32-bit addresses (like 192.168.1.1) supporting about 4 billion addresses. IPv6 uses 128-bit addresses supporting virtually unlimited addresses and is gradually replacing IPv4 as the old address space becomes exhausted.

DHCP (Dynamic Host Configuration Protocol): Automatically assigns IP addresses to devices joining networks, eliminating manual configuration. DHCP servers (typically in routers) maintain pools of available addresses and lease them to devices temporarily. When devices leave the network, addresses return to the pool for reuse. DHCP dramatically simplifies network management especially for networks with many devices or visitors.

DNS (Domain Name System): Translates human-readable domain names (like www.google.com) into IP addresses computers use. When you type a website address, your computer queries DNS servers to find the corresponding IP address. DNS is essential for internet functionality—DNS problems cause “server not found” errors even when internet connections work fine. Using fast, reliable DNS servers (like Google DNS or Cloudflare DNS) can improve browsing speed and reliability.

Network Security Technologies

Encryption: Transforms data into unreadable format without proper decryption keys. WiFi encryption (WPA2, WPA3) protects wireless data transmission. VPN encryption protects internet traffic from eavesdropping. HTTPS encryption secures website communications. Email encryption protects sensitive message contents. Encryption is essential for protecting confidential data, preventing eavesdropping on wireless networks, and securing connections over untrusted networks like public WiFi.

VLANs (Virtual LANs): Divide single physical networks into multiple logical networks for security and organization. Common VLAN uses include separating employee and guest WiFi, isolating IoT devices from main network, segmenting departments or locations, and separating voice and data traffic. VLANs improve security by limiting access between network segments and improve performance by reducing broadcast traffic.

NAT (Network Address Translation): Allows multiple devices to share single public IP address. NAT translates private IP addresses (like 192.168.x.x used internally) to your public IP address for internet communications. This conserves public IP addresses and provides security by hiding internal network structure. All home and most business routers use NAT.

Network Planning Guide: Designing the Right Network for Your Needs

Home Network Planning

Planning your home network ensures reliable performance and adequate coverage. Considerations when setting up your network for the first time include:

Assessing Your Home Network Requirements

Different households have different networking needs. Consider number of devices (computers, phones, tablets, smart devices), internet usage patterns (streaming 4K video, online gaming, video conferencing, general browsing), home size and layout (square footage, number of floors, construction materials), smart home devices requiring connectivity, work-from-home requirements, and future expansion plans. This assessment determines whether you need a simple router or mesh system, wired connections, and internet plan speed.

Choosing Home Network Equipment

Selecting appropriate equipment is essential. For small apartments or homes (under 1500 sq ft) with fewer than 15 devices, a quality single router often suffices. For medium homes (1500-3000 sq ft) or more than 15 devices, mesh WiFi systems or access points provide better coverage. For large homes (3000+ sq ft), professional access point installations or comprehensive mesh systems work best. Consider future-proofing with WiFi 6 or 6E equipment, Gigabit ethernet for wired devices, and adequate switch ports for all wired connections.

Home Network Security Best Practices

Securing home networks protects privacy and prevents unauthorized access. Essential security measures include changing default router passwords to strong unique passwords, enabling WPA3 or WPA2 WiFi encryption with strong passwords, keeping router firmware updated, enabling router firewall, creating separate guest WiFi networks for visitors, disabling WPS (WiFi Protected Setup) which has security vulnerabilities, using VPN for remote access rather than opening ports, and installing antivirus on all computers. Many routers now include parental controls, content filtering, and automatic security updates.

Business Network Planning

Business networks require more comprehensive planning than home networks due to higher reliability requirements, security concerns, scalability needs, and compliance obligations.

Business Network Requirements Analysis

Understanding business needs guides network design. Consider number of employees and devices now and in 2-3 years, applications used (cloud-based, on-premises servers, bandwidth-intensive), internet bandwidth requirements, remote access needs for work-from-home employees, VoIP phone system requirements, security and compliance requirements, budget for initial installation and ongoing support, and tolerance for downtime. This analysis determines whether you need simple small office networking or enterprise-grade infrastructure.

Network Infrastructure Design

Proper design prevents problems and enables growth. Elements include structured cabling following industry standards, network topology (star, mesh, hybrid), equipment selection (business-grade vs consumer), redundancy for critical components, segmentation using VLANs for security, internet connection selection and backup, and physical security for network equipment. We create detailed network diagrams documenting all equipment, connections, IP addressing, and VLAN assignments for troubleshooting and future expansion.

Scalability and Growth Planning

Networks should accommodate future growth without complete redesigns. Plan for 25-50% more capacity than current needs, use modular equipment that can be expanded, implement structured cabling with spare capacity, choose equipment with upgrade paths, document everything for future reference, and establish budgets for regular upgrades and replacements. Equipment typically lasts 5-7 years before requiring replacement due to performance limitations or lack of security updates.

Business Network Security Requirements

Business networks face more sophisticated threats than home networks and must protect sensitive data. Essential security includes enterprise firewalls with intrusion prevention, VPN for remote access, managed wireless with 802.1X authentication, network access control preventing unauthorized devices, regular vulnerability scanning, comprehensive backup and disaster recovery, email and endpoint security, security monitoring and logging, employee security training, and security policy documentation. Compliance requirements may mandate specific controls.

Budgeting for Network Installation and Support

Understanding costs helps with planning. Typical budget ranges include:

Home Network Installation: Basic WiFi router setup: $150-$300 including configuration and security. Mesh WiFi system with 2-3 nodes: $400-$800 including equipment and installation. Whole-home ethernet cabling: $1,000-$3,000 depending on home size and cable runs. Home network security setup: $200-$400 including firewall configuration and antivirus installation.

Small Business Network (5-20 employees): Complete network installation: $3,000-$10,000 including cabling, switches, router, WiFi access points. Network security implementation: $2,000-$5,000 including firewall, VPN, endpoint security. VoIP phone system: $1,500-$5,000 depending on number of phones. Ongoing support: $200-$500/month for managed services.

Medium Business Network (20-100 employees): Enterprise network infrastructure: $15,000-$50,000+ including servers, enterprise switches, redundant equipment. Comprehensive security: $10,000-$30,000 including multiple firewalls, intrusion detection, SIEM. Ongoing managed services: $1,000-$3,000/month with 24/7 monitoring and support.

These are typical ranges—actual costs vary based on specific requirements, equipment selection, complexity, and geographic location.

Frequently Asked Questions About Network and Internet Security Services

How much does network installation cost?

Network installation costs vary significantly based on size, complexity, and requirements. Basic home WiFi router setup and configuration typically costs $150-$300. Mesh WiFi systems with professional installation range from $400-$800. Small business network installations with structured cabling, switches, router, and WiFi access points typically cost $3,000-$10,000. Medium business installations with enterprise equipment, redundancy, and server rooms range from $15,000-$50,000 or more. We provide detailed quotes after assessing your specific requirements including site survey, number of devices, cabling needs, equipment selection, and security requirements. All quotes include labor, equipment, configuration, testing, and documentation.

How long does network installation take?

Timeline depends on installation scope and complexity. Simple home WiFi setup completes in 2-4 hours. Home network installations with ethernet cabling take 1-2 days. Small business network installations typically take 1-3 days for cabling and equipment installation plus configuration time. Larger business installations may require 1-2 weeks for structured cabling, equipment installation, configuration, testing, and user training. We work efficiently to minimize disruption, often performing installations outside business hours or over weekends. Rush installations are available for urgent situations, though may incur additional charges.

Do you provide WiFi coverage for my entire home or office?

Yes! Complete WiFi coverage is our goal. We conduct site surveys identifying problem areas, recommend appropriate solutions (router repositioning, mesh systems, additional access points), install and position equipment for optimal coverage, test signal strength throughout the space, and optimize configuration for performance. For homes, mesh WiFi systems typically provide seamless coverage. For businesses, we install multiple ceiling-mounted access points configured for seamless roaming. We guarantee coverage in all areas you specify or continue adjusting until satisfied.

Can you fix my slow internet connection?

In most cases, yes! Slow internet has many possible causes including inadequate internet plan for usage needs, router or modem bottlenecks, WiFi interference or poor signal, too many devices sharing bandwidth, malware consuming bandwidth, ISP problems or throttling, and incorrect configuration. We test actual speeds, analyze network traffic, optimize router settings, recommend equipment upgrades if needed, contact ISPs regarding line problems, and implement QoS to prioritize important traffic. We identify whether problems are with your equipment, network configuration, or ISP service, then implement appropriate solutions.

Do you work with all Internet Service Providers?

Yes, we work with all Australian ISPs including Telstra, Optus, TPG, iiNet, Aussie Broadband, Superloop, Vodafone, Dodo, and regional providers. We’re familiar with connection types including NBN (all technologies), cable internet, ADSL/VDSL, fiber connections, fixed wireless, and 4G/5G. We can configure your network equipment for any ISP, troubleshoot ISP-specific issues, coordinate with ISPs on your behalf for technical support, and help you select the right ISP and plan for your needs. We’re vendor-neutral and recommend ISPs based on service quality and value, not commissions.

How do you secure business networks against cyber attacks?

We implement comprehensive security using a layered defense approach including next-generation firewalls with intrusion prevention, VPN for secure remote access, network segmentation using VLANs, endpoint protection on all devices, email security and spam filtering, regular security updates and patch management, security monitoring and logging, backup and disaster recovery solutions, employee security awareness training, and security policies and documentation. Security is customized based on your industry, compliance requirements, data sensitivity, and threat profile. Regular security assessments ensure protection remains current against evolving threats.

Can you setup VPN for remote workers?

Yes! VPN (Virtual Private Network) setup is essential for secure remote access. We implement remote access VPNs allowing employees to securely connect from home or while traveling, site-to-site VPNs connecting multiple office locations, SSL VPNs for browser-based access requiring no client software, and mobile VPN clients for smartphones and tablets. Configuration includes multi-factor authentication for enhanced security, split tunnel or full tunnel options, appropriate bandwidth allocation, and user training. VPNs encrypt all traffic preventing eavesdropping, provide access to internal resources as if employees were in the office, and maintain security logs for compliance. We support various VPN platforms including OpenVPN, WireGuard, Cisco AnyConnect, FortiClient, and built-in Windows and Mac VPN clients.

Do you provide ongoing network support and maintenance?

Yes! Networks require ongoing maintenance, security updates, and optimization. We offer flexible support plans including pay-as-you-go support for occasional issues, monthly maintenance plans with regular check-ins and proactive maintenance, comprehensive managed services with 24/7 monitoring, automatic ticket generation for problems, and dedicated support team. Managed services include continuous monitoring for problems, security update installation, performance optimization, regular backups and verification, user support for network issues, documentation updates, and monthly reporting. Many businesses find managed services more cost-effective than reactive break-fix support because problems are prevented rather than repaired after causing disruption.

Can you migrate our business to a new office location?

Absolutely! Office moves require careful network planning to minimize downtime. Our relocation services include assessing new office space for network requirements, designing network layout and cabling plan, coordinating with landlords and contractors, installing structured cabling and network equipment, configuring network to match previous setup, migrating server and network equipment, testing all connections before go-live, and providing onsite support during move. We work with your timeline to ensure network is fully operational when employees arrive at new location. Planning typically begins 2-3 months before move date. We can also assist with temporary network solutions during transition if you need to operate in both locations simultaneously.

How do I know if my network is secure?

Warning signs of network security problems include unexplained slow performance or high bandwidth usage, devices appearing on network you don’t recognize, password reset requests you didn’t initiate, antivirus detecting malware frequently, strange network activity or pop-ups, accounts sending spam or unusual emails, and file changes or deletions you didn’t make. We conduct security assessments including vulnerability scanning, penetration testing, wireless security audits, firewall rule review, endpoint security evaluation, and security policy assessment. Assessment reports identify vulnerabilities with prioritized recommendations and implementation roadmap. Regular assessments (quarterly or annually) ensure ongoing security as threats evolve.

What is the difference between home and business network equipment?

Business-grade network equipment offers significant advantages including higher performance and capacity handling more simultaneous users, enterprise management and monitoring features, VLAN support for network segmentation, better warranty and support from manufacturers, longer product lifecycle and security update support, proven reliability in demanding environments, and advanced features like QoS, redundancy, and stacking. Consumer equipment is adequate for small home networks but lacks the reliability, features, and support businesses require. While business equipment costs more initially, lower failure rates and longer lifecycles make it more cost-effective long-term for businesses.

Can you help with network compliance requirements?

Yes, we assist businesses with compliance including PCI DSS (Payment Card Industry Data Security Standard) for businesses processing credit cards, Australian Privacy Principles for data protection, healthcare privacy requirements, financial services regulations, government contracting security requirements, and industry-specific standards. Compliance services include gap analysis identifying compliance shortfalls, implementing required technical controls, security policy documentation, audit preparation and support, ongoing monitoring and reporting, and regular compliance assessments. We work with your compliance officers, auditors, and legal team to ensure network security meets all regulatory requirements.

Do you provide emergency network support?

Yes! Network emergencies disrupt business operations and require immediate response. We provide 24/7 emergency support for critical situations including complete network failures preventing all work, security breaches or cyber attacks in progress, data loss or corruption, internet connection failures affecting operations, and server or critical equipment failures. Emergency support includes immediate dispatch of technicians, remote support until onsite arrival when possible, priority service jumping ahead of scheduled appointments, and continuing work until critical functionality is restored. Emergency service may incur additional charges, but we’re transparent about costs before proceeding. Most businesses find that minimizing downtime far outweighs emergency service costs.

Can you train our employees on network and security best practices?

Yes! Employee training is critical for security and productivity. We provide customized training including security awareness covering phishing recognition, password security, safe browsing, and social engineering; network usage policies covering acceptable use, bandwidth guidelines, and personal device policies; VPN and remote access instruction for remote workers; new employee onboarding covering network resources and procedures; and specialized training for IT staff on network management and troubleshooting. Training can be onsite workshops, online modules, or documentation and guides. Regular training (annually or semi-annually) keeps security awareness current and reinforces best practices.

Network and Security Services Throughout Melbourne and Victoria

We provide professional computer networking and internet security services throughout Melbourne and surrounding areas in Victoria. Our locally-based technicians respond quickly throughout the region, often providing same-day service. We service metropolitan Melbourne, suburban communities, and regional Victorian towns.

Local Network Support Near You

Looking for “network installation near me” or “WiFi setup near me”? Our strategic network of certified technicians ensures fast response times wherever you’re located. We understand local infrastructure including NBN availability and types (FTTP, FTTN, FTTC, HFC), common ISPs and service quality in your area, and local business networking requirements. Call 1300 723 628 to confirm service availability in your area or to schedule an appointment.

Home Network Services Throughout the Region

Our home network services are available for residential customers including WiFi setup and optimization, smart home network integration, home office networking, gaming network optimization, parental controls and content filtering, and network security for families. We come to your home at a convenient time, setup or troubleshoot your network, and ensure you understand how everything works before we leave.

Business Network Services Across Victoria

Business customers throughout the state rely on us for complete network installations for new offices, network expansion and upgrades, WiFi for offices and warehouses, network security implementation, remote access VPN setup, and ongoing managed network services. We work with businesses of all sizes from small offices to medium enterprises, understanding that reliable networks are essential for modern business operations.

Get Expert Network and Security Support Today

Don’t let network problems, slow WiFi, or security vulnerabilities disrupt your home or business. The Original PC Doctor provides professional computer networking and internet security services with over 20 years of experience, same-day availability, and guaranteed satisfaction.

Whether you need new network installation, WiFi troubleshooting, security implementation, VPN setup, or ongoing support, our certified technicians have the expertise to deliver reliable, secure, high-performance networks.

Call 1300 723 628 now for same-day network and security support, or book your appointment online in less than two minutes. Available 7 days a week with flexible onsite and remote support options.

All network and internet security services are backed by our “No Fix, No Fee” policy and “14-Day Work Satisfaction Guaranteed™” commitment.

Our Comprehensive IT Services Include:

• PC, laptop, Mac, server and hardware repairs
• Network installations, upgrades and troubleshooting
• Data backup and disaster recovery
• Virus protection and removal

For technology that’s looking “terminal” and worth less than $100, we recommend responsible recycling rather than adding it to landfill. For computer and electronics recycling in Australia, contact Computers & Electronics Recycling Australia.

Specialized Network Services: Specific Solutions for Unique Needs

Network Installation Services Near Me

Searching for professional “network installation near me” or “network setup service”? We provide complete network installation services throughout Melbourne and Victoria including initial consultation and requirements analysis, site survey and network design, structured cabling installation following industry standards, equipment procurement at competitive prices, configuration and testing, documentation and training, and ongoing support and maintenance. Whether setting up first-time network, upgrading outdated infrastructure, or expanding existing network, our certified technicians deliver reliable, scalable solutions. Call today for free consultation and quote on your network installation project.

WiFi Setup Near Me / Wireless Network Installation

Need help with “WiFi setup near me” or “wireless network installation”? Our WiFi specialists provide comprehensive wireless network services including home WiFi router setup and configuration, mesh WiFi system installation for whole-home coverage, business wireless network with multiple access points, WiFi security configuration with WPA3 encryption, guest network setup isolated from main network, WiFi optimization for speed and coverage, and troubleshooting WiFi connectivity problems. We work with all major WiFi equipment brands and recommend solutions based on your specific environment and requirements rather than pushing particular brands. Same-day WiFi setup available in most areas.

Business Network Installation and IT Infrastructure

Businesses require professional network infrastructure supporting current operations and future growth. Our business network installation services include complete network design based on requirements, Cat6/Cat6a structured cabling throughout office, network closet setup with proper cooling, enterprise switches and routers, WiFi with seamless roaming, network segmentation for security, server and equipment rack installation, redundancy and failover systems, VPN for remote workers, and complete testing and documentation. We minimize disruption by working outside business hours when needed. Our installations meet industry standards and support your business for years to come.

Home Network Setup Service

Setting up home network properly ensures reliable connectivity for all family members and devices. Our home network setup service includes WiFi router selection and installation, optimal router placement for coverage, WiFi security configuration, parental controls and content filtering, guest network for visitors, smart home device integration, network printer setup, media streaming optimization, and user training on network features. We ensure your home network provides fast, secure, reliable connectivity throughout your entire home. Affordable flat-rate pricing for most home network setups.

Network Security Audit and Assessment

Understanding your network security posture is the first step toward protection. Our network security audit services include comprehensive vulnerability scanning of all devices, wireless security assessment, firewall configuration review, penetration testing identifying weaknesses, security policy documentation review, compliance gap analysis, and detailed reporting with prioritized recommendations. Security audits identify vulnerabilities before attackers exploit them, demonstrate due diligence for compliance, and provide roadmap for security improvements. We recommend annual security audits for businesses and whenever significant network changes occur.

Managed Network Services and 24/7 Monitoring

Managed network services provide comprehensive ongoing support including 24/7 network monitoring and alerting, proactive problem detection and resolution, security update and patch management, regular backup verification, performance monitoring and optimization, user support for network issues, monthly reporting and recommendations, and emergency support for critical failures. Managed services prevent problems before they disrupt operations, ensure security remains current, and provide predictable monthly costs replacing unpredictable break-fix expenses. Ideal for businesses without internal IT staff or wanting to augment existing capabilities.

Network Cabling Installation and Structured Wiring

Professional network cabling provides reliable foundation for years. Our cabling services include Cat6 and Cat6a ethernet cable installation, fiber optic cabling for high-speed or long-distance, cable certification testing ensuring performance, professional cable management and labeling, patch panel and rack installation, wall outlet installation with professional appearance, and cable documentation for future maintenance. We follow TIA/EIA cabling standards ensuring quality installations. Whether wiring new construction, renovation, or adding drops to existing offices, we deliver clean, professional cabling infrastructure.

Firewall Installation and Configuration Service

Firewalls are the first line of network defense against cyber threats. Our firewall services include business needs assessment, appropriate firewall selection (hardware or software), installation and initial configuration, security rule development based on requirements, VPN configuration for remote access, intrusion prevention setup, content filtering, regular firmware updates, and ongoing management and optimization. We deploy firewalls from leading vendors including Fortinet FortiGate, SonicWall, Cisco, pfSense, and WatchGuard. Proper firewall configuration balances security against usability ensuring protection without hindering legitimate business activities.

VPN Setup for Remote Workers and Multiple Offices

VPNs are essential for today’s distributed workforces. Our VPN setup services include remote access VPN for work-from-home employees, site-to-site VPN connecting multiple offices, SSL VPN for browser-based access, VPN client installation and configuration on laptops and mobile devices, multi-factor authentication for enhanced security, bandwidth optimization for VPN traffic, and user training and documentation. VPNs encrypt data preventing interception, provide secure access to internal resources, and enable productivity from anywhere. We ensure VPNs are easy for users while maintaining strong security.

Guest WiFi Network Setup with Captive Portal

Businesses offering WiFi to visitors need properly configured guest networks. Our guest WiFi services include isolated guest network separate from business network, captive portal with splash page for branding, user registration and terms of service acceptance, bandwidth limiting preventing guest abuse, time-limited access expiring automatically, usage logging for security and compliance, and content filtering on guest network. Guest WiFi properly implemented provides convenience for visitors while protecting your business network and data from unauthorized access.

Network Performance Optimization and Troubleshooting

Slow or unreliable networks affect productivity and user satisfaction. Our network optimization services include comprehensive performance analysis, bandwidth monitoring identifying heavy users, Quality of Service (QoS) configuration prioritizing critical applications, network topology optimization, equipment upgrades when needed, ISP performance analysis, and regular monitoring and adjustment. We identify bottlenecks whether caused by insufficient bandwidth, equipment limitations, configuration problems, or ISP issues, then implement appropriate solutions restoring optimal performance.

Office Network Design Consultation

Proper network design prevents problems and enables growth. Our design consultation services include requirements gathering and needs analysis, current network assessment if applicable, network topology design, equipment recommendations with alternatives at different price points, cabling plan and layout, security architecture design, cost estimates and ROI analysis, and implementation roadmap. Good design ensures networks meet current needs, accommodate future growth, maintain security, and deliver value. Consultation fees often apply toward installation costs if you proceed with us.