Spotify adblocker for Linux

Centralize or distribute IPset blacklists

RedisPushIptables is used to update firewall rules to reject the IP addresses for a specified amount of time or forever reject.

OpenBSD daemon primarily used to build and maintain dynamic firewall blocklists

A simple Apache module to blacklist remote hosts.

rblcheck

nginx module to use linux netfilter ipsets as blacklists

A multi threaded packet sniffer implemented in C, with built in detection for SYN and ARP attacks as well as blacklisted IPs

Library and toolset for checking realtime blackhole lists

🐷 Nameserver security scanner (ARCHIVE)

Joomla plugin that allows blocking of countries based on the user's GeoIP

Extracts URLs from a mail message and checks it against one or more URI blacklists. Can also verify if any link is bad or broken.