Tag: networking

All the articles with the tag "networking".

• DDoS Mitigation: Teaching Your Server to Say No Politely (Then Impolitely)

  20 Aug, 2025

  DDoS mitigation for self-hosters: Nginx rate limiting, Fail2ban, Cloudflare free tier, CrowdSec, and iptables tricks that actually work.

• WireGuard Is Fast, But You're Leaving Performance on the Table

  14 Aug, 2025

  WireGuard performance tuning: MTU optimization, CPU offloading, AllowedIPs routing, PersistentKeepalive tradeoffs, and iperf3 benchmarking. Squeeze every MB/s from your VPN tunnel.

• Traefik vs Nginx Proxy Manager: Reverse Proxies for Humans

  2 Aug, 2025

  Traefik vs Nginx Proxy Manager compared for self-hosters. Docker auto-discovery, SSL certs, GUI vs labels, performance, and when to pick each reverse proxy.

• Proxy Chains and Anonymization: What Actually Works and What's Just Theater

  17 Jul, 2025

  Proxy chains, Tor, proxychains-ng, and VPN+Tor combos: an honest breakdown of what actually protects your privacy and what's security theater.

• Why Your TLS Certificate Isn't Trusted

  10 Jun, 2025

  Incomplete cert chains, wrong order, self-signed certs. How to diagnose trust failures with openssl s_client.

• The Firewall Rule Order That's Breaking Your Setup

  14 May, 2025

  Firewall rules are evaluated top-down, first match wins. One misplaced ALLOW rule silently defeats all security.

• Is fail2ban Actually Working? Here's How to Check

  7 May, 2025

  Verify fail2ban is protecting you: check jails, test bans, monitor logs, common misconfiguration, and unban IPs when needed.

• SSHFS: Ditch SCP & Access Remote Files

  29 Apr, 2025

  SSHFS mounts remote filesystems over SSH so you can browse and edit files locally — faster than scp for interactive work.

• Why Your SSH Connection Keeps Dropping

  14 Apr, 2025

  Fix SSH timeouts: ServerAliveInterval, ServerAliveCountMax, ClientAliveInterval. Understand NAT, firewalls, and TCP keepalive.

• ss Is the New netstat (And It's Better)

  11 Apr, 2025

  netstat is deprecated. ss is faster, shows more, and does everything netstat did—better.

• Docker Network Aliases: The Feature Nobody Uses

  3 Mar, 2025

  Network aliases give containers multiple DNS names. Perfect for blue-green deploys and service discovery patterns.

• lsof: The Tool That Shows You Everything

  1 Feb, 2025

  Master lsof to find port conflicts, trace deleted files eating disk, and debug network connections.