Network Tools

The PowerShell networking commands that replace ping, telnet, tracert, ipconfig and netstat on Windows. Test a port with Test-NetConnection, read your config with Get-NetIPConfiguration, find listening ports, resolve DNS and...

ifconfig and netstat are gone from modern Linux. The iproute2 cheatsheet you need: ip a for addresses, ss -tulpn for listening ports plus process, ip route, ip neigh, and an...

Every Windows networking command worth keeping in one place: ipconfig, ping, tracert, nslookup, netstat -ano to find the PID on a port, arp, route, a static IP with netsh, getmac...

Tailscale IS WireGuard plus a control plane: NAT traversal, key distribution, ACLs, SSO. Raw WireGuard vs Tailscale vs Headscale, compared honestly with a clear verdict.

Paste any MAC address and get the vendor from its OUI prefix, plus unicast vs multicast, globally unique vs locally administered, VM prefixes, and every canonical format. Runs in your...

Searchable, copy-ready reference of 72 netsh wlan commands and variants for Windows: show a saved Wi-Fi password, list and forget profiles, export and import networks, scan for the best channel,...

Free SSH tunnel generator. Build local (-L), remote (-R) and dynamic SOCKS (-D) port-forwarding commands with jump host, identity file and keepalive, and copy both the ssh command and an...

Searchable reference of well-known and common TCP/UDP ports. Look up any port 0-1023 plus the famous registered ports (MySQL 3306, RDP 3389, PostgreSQL 5432, Redis 6379, MongoDB 27017, WireGuard 51820)....

Detailed 2026 comparison between MikroTik RouterOS 7 and Ubiquiti UniFi OS 4 for prosumer home networks: reference stacks under 400 EUR, CLI vs UI, routing protocols, Wi-Fi roaming, VPN options,...

Complete DNS over HTTPS implementation walkthrough for sysadmins. What DoH protects, picking a provider vs self-hosting, configuring Windows, Linux and macOS endpoints, deploying unbound plus dnsdist as your own DoH...