The screening http gateway is designed to run on a bastion host and allow access to "internal" web servers from the outside. It filters out various attacks and should prevent some epxloits (unicode is not allowed, so all unicode exploits will be stoppe
Bandwidth Management Tools is a total bandwidth management solution for Linux and can be used for firewalling, traffic graphing, and shaping. It is not based on any currently-available bandwidth management software some ver advanced features.
Small and efficient traffic montoring and counting daemon with ability of remote administation and logging results into the database
a logging system for openbsd's pf. uses postgresql for storage, and is designed to cope with an unreliable network connection to the database.
Amun is an open source firewall for windows 2k/XP systems written in C.
Traffic accounting and billing system for FreeBSD using ipacctd, ipfw, php and MySQL. User management and statistic output throught web-interface.
fIreCMP is a networking utility. This is an LKM that permits a dinamic opening/closing of your port services by an ICMP packet.
Provide secure, quality, user-friendly and fail-proof access to internet manager for IPTABLES-DENY-ALL-based Linux configuration of firewall, including traffic and time accounting, logging, auto-disconnection. Software for i-net clubs and caffee admins
Compact FreeBSD distribution for flash card based wireless boxes.
Iptables FIlter Generator is a easy way to make iptables rules..
NTNS,Net To Net Security. It\'s job is to handle authentication for users that want to access other networks than the one it\'s connect to. Primarly made with wireless networks in mind. Authentication can be done with either text file, mysql db or ldap
Iroffer with mIRC-style DCC Server Protocol that might allow sends through firewalls without reconfigurations (and some more extra features)
iWall is an internet cafe style piece of software designed for Student Hostels, Motels, Hotels. It allows you to grant or deny internet access for specific hosts and have the ability to track the internet traffic for each host.
Snort_inline is a modified version of Snort. It accepts packets from iptables, instead of libpcap. It uses new rule types to tell iptables if the packet should be dropped or allowed to pass based on the Snort rules.
LanBiz is a free, Open Source Server Suite, mostly fitted for SOHO (Small Office/Home Office) environments. The final LanBiz will include: an internet gateway/firewall, proxy, mail, file/print, fax/telephony server and more!
FireWise Utilities (FWU) is a suite of tools for dynamically generating firewall tables in either binary or script format for several operating systems. Features in dev: iptables, ip6tables, ipfw, pf, SHA2 bin hashing and LZO bin compression
Gtk-IPTables is a GTK-based frontend for iptables written in C. You can create rules for all chains for Filter, NAT, and Mangle tables.
AGT is a powerful console frontend to iptables, supporting nearly all of the iptables extensions. All options can be specified in a configuration file with similar syntax to 'ipf' and 'ipfw'.
Implements a Windows NT VPN peer to Olaf Titz's CIPE VPN for Linux NOTE: The distribution must be downloaded from the home page
pppit allows one to tunnel through a firewall which only allows proxy telnet, such as SWAN. It is a modified, special-purpose ppp daemon.
user-space single-port unidirectional tcp proxy which handles out-of-band data, and telnet-through firewall tunnelling.
OpenISP: A suite of ISP Management Software (GPL licensed.) mysqlBind, mysqlApache, mysqlRadius, mysqlSendmail, mysqlISP, mysqlRadacct, mysqlIPM and others. NOTICE: Moved to freshmeat.net and www.openisp.net. For third party wrappers: unixservice.com
WaterFall project was started as a proxy/filter/firewall solution for NNTP (Usenet News) abuse protection. Due to the similiarity, SMTP may be covered as time permits.
Bypass is an IP forwarding/tunneling tool which can be used where limited bypassing of a firewall is necessary, but relaxing the restrictions in the actual firewall is not an option. The aim is for bypass to be automatic and transparent.
LnxFire is a Linux & Gnome firewall tool for the small business owner. Use the firewall creation wizard to quickly create a basic firewall. Featuring dynamic rule modifiers, proactive monitoring, reporting, email alerts and auto lockout of port scanners.