Articles
This glossary covers the core networking terminology you'll encounter while managing a VPS...
How to Bond Multiple Network Interfaces for RedundancyNetwork interface bonding combines multiple physical/virtual network interfaces into a single...
How to Configure BGP for Multi-Homed VPS ConnectivityBGP (Border Gateway Protocol) enables advanced multi-homed connectivity scenarios —...
How to Configure Multiple IP Addresses on One VPSRunning multiple services that each need their own dedicated IP — separate SSL certificates...
How to Configure Source-Based Routing on a Linux VPSSource-based routing directs traffic based on its originating address rather than only its...
How to Configure Static Routes on a Linux VPSStatic routes tell your server exactly how to reach specific networks, overriding the default...
How to Configure a VPS as a Forward Proxy with SquidA forward proxy routes outbound requests through your VPS, useful for accessing geo-restricted...
How to Diagnose Asymmetric Routing IssuesAsymmetric routing — where outbound and return traffic take genuinely different network...
How to Diagnose and Fix High Network LatencyHigh latency degrades user experience for real-time applications and slows down general...
How to Monitor Network Traffic with vnStat and iftopUnderstanding your VPS's network traffic patterns — historical usage trends and real-time...
How to Monitor and Alert on Network Interface ErrorsNetwork interface errors (dropped packets, collisions, buffer overruns) often precede or...
How to Secure a VPN Server Against Common AttacksA VPN server, by its nature, is a high-value target — compromising it could expose all...
How to Set Up IPv6 on Your VPSIPv6 adoption continues to grow, and many VPS providers now offer IPv6 addresses alongside IPv4....
How to Set Up Network Namespaces for IsolationLinux network namespaces provide genuine, kernel-level network isolation — each namespace...
How to Set Up Network Traffic Shaping and QoS on a VPSTraffic shaping lets you prioritize certain types of network traffic over others — ensuring...
How to Set Up Port Knocking for SSH SecurityPort knocking adds an extra layer of obscurity to SSH access — the SSH port stays closed to...
How to Set Up VLAN Tagging on a VPSVLAN tagging allows logical network segmentation over shared physical network infrastructure...
How to Set Up WireGuard with Multiple Peers (Hub-and-Spoke)Beyond a simple point-to-point connection, WireGuard can be configured for a hub-and-spoke...
How to Set Up a Mesh VPN with Tailscale or ZeroTierMesh VPN solutions like Tailscale and ZeroTier create secure, direct connections between all your...
How to Set Up a Reverse SSH Tunnel for Remote AccessA reverse SSH tunnel lets you access a machine behind NAT or a restrictive firewall — one...
How to Set Up a SOCKS5 Proxy on a VPSA SOCKS5 proxy on your VPS lets you route traffic through your server — useful for...
How to Set Up a Site-to-Site VPN Between Two VPS ServersA site-to-site VPN creates a persistent, secure tunnel between two servers (or entire networks),...
How to Set Up a VPN Kill SwitchA VPN kill switch prevents traffic from leaking outside the VPN tunnel if the VPN connection...
How to Set Up a VPN Server with WireGuardWireGuard is a modern, fast, and simple VPN protocol — significantly easier to configure...
How to Set Up a VPS as a DNS Server with BIND9Running your own authoritative DNS server gives you full control over DNS records without relying...
How to Set Up an OpenVPN Server on a VPSOpenVPN is a mature, widely-supported VPN protocol — a solid choice when you need broad...
How to Troubleshoot DNS Resolution Issues Step by StepDNS resolution problems can manifest in confusing, seemingly unrelated ways — this guide...
How to Troubleshoot MTU Issues and Fragmentation ProblemsMTU (Maximum Transmission Unit) mismatches cause subtle, hard-to-diagnose network issues —...
Understanding NAT Types and Their Impact on ConnectivityNAT type affects how easily direct peer-to-peer connections can be established, relevant for VPN...
Understanding and Configuring TCP Keepalive SettingsTCP keepalive settings control how long-idle connections are detected and maintained —...