Projects

pf

PF (Packet Filter) is OpenBSD's system for filtering TCP/IP traffic, doing Network Address Translation, normalizing and conditioning TCP/IP traffic and providing bandwidth control and packet prioritization. PF has also been ported to FreeBSD, NetBSD, and DragonFly BSD, and is an integral part of MirBSD.

iodine

This is a piece of software that lets you tunnel IPv4 data through a DNS server. This can be usable in different situations where internet access is firewalled, but DNS queries are allowed. It runs on Linux, Mac OS X, FreeBSD, NetBSD and OpenBSD and needs a TUN/TAP device. The bandwidth is ... [More] assymetrical with limited upstream and up to 1 Mbit/s downstream. [Less]

denyssh

DenySSH monitors the auth log of a BSD system for failed SSH login attempts and adds repeat attackers to a Packet Filter table, allowing you to define PF rules to block the attacking hosts or redirect them to a honeypot for your amusement.

ipfilter

Open source firewall project for Unix systems

comixwall

ComixWall Internet Security Gateway is based on OpenBSD and ports/packages, with a user-friendly Web Administration Interface. Main modules featured are pf, Web Filter, IDS, Anti-Virus, Anti-Spam, SMTP/POP3/HTTP/SOCKS/FTP/IM Proxies, Web/DNS/DHCP Servers. The purpose of the ComixWall project is ... [More] to provide an Internet Security Gateway (ISG) that truly deserves its name (another name would be a firewall with UTM features). ComixWall is developed on OpenBSD and ports/packages, which are licensed under either BSD or GPL. ComixWall is, to my knowledge, the first ISG running on OpenBSD. ComixWall will be freely available for all, any it will have all the advanced features of many commercial and closed-source (some half open source) ISG's. This is a very serious undertaking, because, [Less]

OpenUTM

OpenUTM is an open source Unified Threat Management software framework to be used to combine together other open source projects to build an easily managed UTM firewall appliance.