Tailscale
A mesh VPN built on WireGuard that connects devices across networks with NAT traversal and centralized access control. Covers installation, subnet routing, exit nodes, MagicDNS, ACLs, Tailscale SSH/Funnel, and …
Networking
TLS Handshake
How a client and server negotiate encryption, authenticate, and derive session keys over TLS 1.2 and 1.3. Covers cipher suite negotiation, certificate chain validation, session resumption, and JA3/JA4 fingerprinting.
Twisted Pair Cables
Reference for copper twisted pair Ethernet cabling: shielding types, TIA/EIA-568A/B wiring, categories and distances, installation limits, and testing under the TIA/EIA-568 standard.
UFW
Reference for UFW: rule files, application profiles, rule syntax, IPv6 handling, rate limiting, NAT and port forwarding via before.rules, logging, and troubleshooting.
WireGuard
Reference for the WireGuard VPN protocol covering keys, interface and peer config, masquerading, key rotation, firewall integration, and debugging on Linux.