Advanced UFW Techniques: Enhancing Firewall Security
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Go beyond basic UFW rules, rate limiting, geo-blocking, application profiles, logging, and before.rules tricks for serious firewall hardening.
Tag: networking
All the articles with the tag "networking".
SSH Tunneling: A Secure Conduit for Your Data
SSH tunnels forward ports over encrypted connections, local forwarding, remote forwarding, and dynamic SOCKS proxy explained.
Socat: The Swiss Army Knife of Networking
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socat wires TCP, UDP, Unix sockets, files, and serial ports together. Port forwarding, OpenSSL tunnels, traffic capture, this is netcat with superpowers.
Understanding PostgreSQL Connection URIs
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Decode the postgresql:// connection string, host, port, database, SSL mode, and the gotchas that cause connection refused at deploy time.
Linux Home Lab Security: Planning for the Unexpected
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Disaster recovery for your Linux home lab, tiered backups, a restic script that actually runs, restore drills, and the gotchas that bite at 2 AM.
Wireguard VPN Server in Docker
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Run a WireGuard VPN server in Docker with the linuxserver image, Compose setup, peer config generation, and road warrior access to your home network.
Access Docker socket via TCP
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Expose Docker's Unix socket over TCP so remote tools and dashboards can connect, daemon.json config for Linux and Windows.