Open Source Desktop Operating Systems Firewall Software

VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. It supports IP, Ethernet, PPP and other tunnel types. VTun is easily and highly configurable. VPN, Mobile IP, Shaping, etc

Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.

Advanced Onion Router is a portable client for the OR network and is intended to be an improved alternative for Tor+Vidalia+Privoxy bundle for Windows users. Some of the improvements include UNICODE paths, support for HTTP and HTTPS proxy protocols on the same Socks4/Socks5 port with HTTP header filtering that generates fake identity-dependent headers every time the identity is changed (proxy chains are also supported), support for NTLM proxies, a User Interface that makes Tor's options and actions more accessible, local banlist for forbidden addresses, private identity isolation, a point-and-click process interceptor that can redirect connections from programs that don't support proxies, also giving them fake information about the local system and support for .onion addresses. Also, it can estimate AS paths for all circuits and prevent AS path intersections, it can restrict circuits to be built using only nodes from different countries, can change circuit lengths and more.

Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (softphones & hardphones) to work behind an IP masquerading firewall or router.

SS5 is a socks server for Linux, Solaris and FreeBSD environment, that implements the SOCKS v4 and v5 protocol.

Two tools able to edit your ipfilter.dat . These tools are able to edit your ipfilter.dat in order to check for big ranges and to check adjacent ranges . From the creators of ipfilterX , Nexus23 Labs . - Updates in Progress -

The Nemesis Project is designed to be a command line based, portable human IP stack for UNIX-like and Windows systems. The suite is broken down by protocol, and should allow for useful scripting of injected packets from simple shell scripts.

This project reads logs from your mikrotik firewall and creates an address list with detected attackers

The RTSP Proxy Kit contains source code for a reference implementation of an application-level RTSP proxy server for UNIX and Windows environments. The kit provides all of the basic functionality for an RTSP proxy.

Open source firewall project for Unix systems

Flexible web-based firewall log analyzer, supporting netfilter and ipfilter, ipfw, ipchains, cisco routers and Windows XP system logs, and mysql or postgresql database logs using the iptables ULOG or NFLOG target of netfilter others mapped to the ulogd format with a view. Fully supports IPv6 for database logs, and netfilter and ipfilter system file logs. Also supports Maxmind's GeoIP version 2 location databases. For Linux, FreeBSD, OpenBSD, Solaris, OSX,etc.

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

A Free SOCKS proxy server for Linux, macos and FreeBSD

360-FAAR (Firewall Analysis Audit and Repair) is an offline, command line, firewall policy manipulation tool to filter, compare to logs, merge, translate and output firewall commands for new policies, in Checkpoint dbedit, Cisco ASA or ScreenOS commands, and its one file! Read Policy and Logs for: Checkpoint FW1 (in odumper.csv / logexport format), Netscreen ScreenOS (in get config / syslog format), Cisco ASA (show run / syslog format), 360-FAAR compares firewall policies and uses CIDR and text filters to split rulebases / policies into target sections and identify connectivity for further analysis. 360-FAAR supports, policy to log association, object translation, rulebase reordering and simplification, rule moves and duplicate matching automatically. Allowing you to move rules to where you need them. Build new rulebases from scratch with a single 'any' rule and log files, with the 'res' and 'name' options. Switch into DROPS mode to analyse drop log entries.

These three tools build Checkpoint, Cisco ASA or Netscreen policys from logfiles. They write dbedit, access-list or set address, set service and set policy commands for the traffic seen in the logs, that can be cut and pasted into the firewalls. WOOT

This tools help you migrating existing Checkpoint Firewall 1 Installation and Rulesets to Linux or *BSD based Firewall. This is done by converting the Rulebase- and the Objects- Database from Checkpoint to the FirewallBuilder XML Format.

Defa Protector is A Simple PHP and Wordpress Plugin To Protect and Prevent Video Save As From Browser and Some Video Grabber. There is 100% Guaranteed Protection and There might be some tradeoff but If you care about Digital Rights Management of Your Video and Music Content. This Project is for you. Defa Protector 6.7.1 Revamp Code For Better Performance To The Bone. We almost rewritten this project from scratch.

Enable servers behind a firewall to export services to the external networks with the assistance from an externel host as proxy (Jumppoint). The firewall tunnel consists of two parts: a frontend as "Jumppoint" and a backend running behind the firewall

Rivoreo's fork of IP Filter firewall software. Original project page https://sourceforge.net/projects/ipfilter/

Perl script that connect via SSH to your Juniper SRX firewall and extract the firewall rules, Parses them and produces a local csv file for import into excel. Written to fill a requirement, If you fix it or make it better please let me know?

Internet Control Firewall Intrusion Detection and Logger for Inbound and Outbound Traffic. Watches Files and Directories, Drive and Memory Protection.

NetgearDG tools is a collection of command line utilities to administer Netgear routers running DGTeam firmware. Currently the only supported router is the Netgear DG834GT.

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single TCP/UDP port. Discussion forums and project wiki can be found here: https://forums.openvpn.net/ http://community.openvpn.net/openvpn

GNU Firewalling tools. Formerly known on Freshmeat as ipchains-firewall.

RTelnet is a reverse Telnet, it's increadably useful to get behind firewalls and NAT's or routers running ip masqurading. very useful for remotely admin someones PC remotely when they don't know how to do anything like opening their firewall.