Open Source Linux Firewall Software - Page 3

This is a daemon that emulates Microsoft's Internet Connection Service (ICS). It implements the UPnP Internet Gateway Device specification (IGD) and allows UPnP aware clients, such as MSN Messenger to work properly from behind a Linux NAT firewall.

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.

A very configurable GTK based frontend for Iptables. An easy way to configure your firewall in Linux.

NetProxy, aka Debian NetInstall is an ISO based on the Artica Appliance Software. It provides a Proxy + Web-Filtering It is optimized for small hardware in order to be installed on small VPS, virtual machines and microboxes.

OpenVoucher is an open source voucher management / hotspot system for authenticating guests in your wifi or cable network. It is designed to be easy to use for anyone who wants to issue vouchers. For further information and installation how to's, see the project's homepage. The source code is maintained on Github.

This module provides attack surface reduction enhancements against the HTTP Flood Attacks at the web application level. Massive crawling/scanning tools, HTTP Flood tools can be detected and blocked by this module via htaccess, firewall or iptables, etc. (like mod_evasive) You can use this module by including "iosec.php" to any PHP file which wants to be protected. You can test module here: http://www.iosec.org/test.php (demo) Watch the Proof of Concept video: http://goo.gl/dSiAL Hakin9 IT Security Magazine Article about IOSEC http://goo.gl/aQM4Di (different format -> http://goo.gl/JKMUPN) IJNSA Article at http://goo.gl/LLxRdX WP Plugin Page http://goo.gl/nF5nD CHANGES v.1.8.2 - Iptables Auto Ban Bash Script Included - Token Access via Implicit Deny - Reverse Proxy Support - reCAPTCHA Support Do you want more features? Check for third party addons http://sf.net/projects/iosecaddons Gökhan Muharremoğlu

The IP Personality project is a patch to the Linux kernels that adds netfilter features: it enables the emulation of other OSes at the network level, thus fooling remote OS detection tools such as nmap that rely on network fingerprinting.

Etherwall is a free and open source network security tool that prevents Man in The Middle (MITM) through ARP Spoofing/Poisoning attacks. It Also prevent it from various attacks such as Sniffing, Hijacking, Netcut, DHCP Spoofing, DNS Spoofing, WEB Spoofing, and others. Note: For personal computer use only (client security) if you like this program, please give us your vote at http://sourceforge.net/projects/etherwall/reviews/

Nodogsplash offers a simple way to provide restricted access to an internet connection. It is intended for use on wireless access points running OpenWRT (but may also work on other Linux-based devices).

Dave's Naughty Stuff Blocker. This is an open source solution to allow administrators to filter and redirect selected "inappropriate" sites based on a list of specific sites and/or strings.

The fwiptables is a one-file WIZARD, for IPTABLES with COMMAND-LINE, with CLI-MENU, with GUI-MENU, with GUI-ROLL, with GUI-SHELL. fwiptables develop with Purpose Educational Since 2020, developing code Since 2024, cleaning code Since 2025, fixing code Browse Wiki: https://sourceforge.net/p/f-iptables/wiki/browse_pages/ Anonymouse Ticket: https://sourceforge.net/p/f-iptables/tickets/

DNS multiplexer. It redirect, send hostname labels, access or denied DNS packet by hostname.

A firewall configuration project based on Linux 2.6.x and iptables. It has a web interface with an intuitive Webmin module, or you can edit a XML file. You can define the different firewall elements (zones, hosts, networks) and then set the services

Capra is a Open Source tool to quickly get some nice and useful reports out off your Watchguard Fireware log files.

The goal of this project is to allow a network security professional to manage multiple Nokia security devices simultaneously. Check Home Page at http://nfm.sourceforge.net for more information and latest news.

winKnocks is an encrypted(DES) port knocking tool. Knock sequences are defined through XML files; users specify: number of packets of each knock sequence, payload and header of each packet. Logging capability. Generation of smoke packets.No replay-attack

PySocks - a platform independent SOCKS proxy written in Python Do you share an DSL or cable connection between several computers? With PySocks you'll be able to use all features of ICQ, MIRC, Napster and such again!

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.

RazWall is a community based firewall built on Slackware Linux. We will publish the ISO releases here as they develop.

Live Security/Forensics Linux Distribution, built from scratch and packed full of tools useful for vulnerability analysis, penetration tests, and forensic analysis.

bastion-firewall is a Netfilter based firewall for Linux. It can generate graphical stats of all the rules traffic in the firewall with Rrdtool and it's integrated with the Snort Inline IPS. It's written in the bash and C programming languages.

sshh allows you to make a persistent tcp connection (tunnel) over an http proxy. Once you have it set up, you can make new connections from either end. Similar in concept to httptunnel but more versatile and scalable.

FireGate is an IPtables script for use as a firewall and NAT/masquerade for home networks or SOHO applications.

IP-Updater is a Perl-Script to manage dynamic IP-adresses (DynDNS). It reads the IP via Telnet from the Router (Zyxel, Netgear) or get it from the web. Different updates to Dyn-IP-Services or FTP-Upload to a hompage are possible. With logging.

KMyFirewall is a KDE/Qt Programm that tries to provide an easy to use and comfortable GUI for the Linux "iptables" command. An easy to use plugin architecture allows fast and easy development of rule option extentions.