To fix the Docker and UFW security flaw without disabling iptables

A firewall for humans...

💻☁📦 The Nextcloud VM (virtual machine appliance), Home/SME Server and scripts for RPi (4). Community developed and maintained.

A docker sidecar container to forward all traffic to local docker host or any other host

pfSense/OPNsense + Elastic Stack

Ansible Role - iptables Firewall configuration.

百宝箱

Firewall and Privatizing Proxy for Trackers, Attackers, Malware, Adware, and Spammers with Anti-Virus On-Demand and On-Access Scanning (PF, squid, privoxy, hphosts, dshield, emergingthreats, hostsfile, PAC file, clamav)

Skynet - Advanced IP Blocking For ASUS Routers Using IPSet.

OpenBSD Router Boilerplate

Various program configuration files and scripts

rock solid default firewall-rules for webhosts

🔵 Curso GRÁTIS Netgate pfSense (2.6, 2.7 e Plus) Firewall UTM (Unified Threat Management - Gerenciamento Unificado de Ameaças) / NGFW (Next Generation Firewall - Firewall de Última Geração)

This started as a custom install for my pihole!

IP leak prevention for OpenVPN

VPN configuration in Qubes OS

Wrapping openvpn with stunnel

Script to apply a Transparent proxy through Tor with nftables or iptables and can optionally forge a random MAC, localtime, ip, hostname.

⚔️🧱🔥🛑IP BAN Block Allow GEOIP country traffic limit server input/output to IP countries with iptables+xt_geoip, auto db-ip update, firewall fail2ban gfw ufw cidr blacklist netfilter rules persistent restrict netaddr xtables linux debian ubuntu apache nginx web server anti hack ddos firewalld ipblocks ipdeny ip ranges MaxMind ipset

A very simple script that uses special iptables rules and sysctl tweaks that protects your server(s) against many different network attacks.