An engine to make Tor network your default gateway

psad: Intrusion Detection and Log Analysis with iptables

Application Layer IDS/IPS with iptables

Block unwanted registrations from SIP Scan attack using Asterisk AMI and iptables

Its 2020. GeoIP csv is not available. So use RIPE database + ipset instead of geoip ipset module.

Natural-language DSL for iptables/netfilter firewall rules.

Rapid Bunker is a Perl utility that allows for the rapid deployment of iptables, and provides a common simple interface to security, system administration, and forensics related Linux utilities.

Take in a data structure and output nf/iptables and ipset save data

Netfilter Firewall GUI

Perl script which helps automate building Linux iptables-based firewalls

An event-based, regexp-triggered, job runner ...

A Perl automation script for blocking IPv4 Tor exit nodes. Downloads the official Tor Bulk Exit list, compares with previous lists and updates Iptables firewall rules.

Blocks IP addresses

An Iptables compiler written in PERL6

Generate IPTables entries for netblocks from a list of IP addresses

fail2ban based blacklisting of hosts and subnets

Import ip addresses from googlesheet into an ipset. You can grant roles to googlesheet columns, rows so its a basic ACL manager for lazy people.

An OpenSource Firewall. Built from the ground up on Slackware 15.