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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.
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]
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.
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]
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.