Open Source Linux Firewall Software

The UPnP PortMapper can be used to easily manage the port mappings/port forwarding of a UPnP enabled internet gateway/router in the local network.

The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.

Endian Firewall Community (EFW) is a "turn-key" linux security distribution that makes your system a full featured security appliance with Unified Threat Management (UTM) functionalities. The software has been designed for the best usability: very easy to install, use and manage and still greatly flexible. The feature suite includes stateful packet inspection firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spam-filtering for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on both OpenVPN and IPsec).

BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.

[antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...) You can install now MailCleaner within the following virtual environments: qcow2 (KVM, Proxmox, OpenStack, Xen) ova (OVA, VMware ESXi, VMware Workstation, Fusion) vhd (Asure, VirtualPC) vhdx (Hyper-V) AMI (Amazon) Dedicate a server to MailCleaner, and you will have a working professional mail filter in less than an hour.

The SunGazer PacketFilter is a small and simple tool under GPL to set up firewall rules. It uses iptables and it is easy to use and to configure.

JWall is not just a java gui for iptables. JWall is a multi firewall management client. A secure rulebase can be built with graphical objects. Rulesets can be pushed to remote firewalls (via ssh). The remote firewall just needs to be Linux with sshd

DDoS (SynFlood) Mitigation Tool

libpal is an easy-to-use, straightforward packet assembly library that allows programmers to forge any kind of IP, TCP, UDP, ICMP and application layer packages.

IOSEC PHP HTTP FLOOD PROTECTION ADDONS IOSEC is a php component that allows you to simply block unwanted access to your webpage. if a bad crawler uses to much of your servers resources iosec can block that. IOSec Enhanced Websites: https://www.artikelschreiber.com/en/ https://www.unaique.net/en/ https://www.unaique.com/ https://www.artikelschreiber.com/marketing/ https://www.paraphrasingtool1.com/ https://www.artikelschreiben.com/ https://buzzerstar.com/ https://iosecaddons.sourceforge.io/ http://artikelschreiber.net/ http://sebastianenger.com/ http://unaique.de/ http://unaique.org/ Added Setup Instructions for Wordpress Content Management System. Added Facebook Bot Support for "Facebot/1.0". Add this code to your website to prevent unauthorized stealing of your valuable content & block malicious bots from crawling your site.

Anoubis is a Security Suite which implements a secured environment for applications. The core of the suite is an Application Firewall alongside with a Sandbox. Mechanisms to assure the authenticity of files, directories and applications are provided.

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.

FRAP-os is a Firewall, VPN Server and Wireless Access Point on a SBC router and is based on Open Source software. More info is available on the Web Site which will be up again on 21-22 July.

FireConfig is a PHP Frontend for Iptables and Iproute (Iproute2)

The fwb-optimizer is and firewall rule optimizer writen in perl/xml::twig. It resolves negativ rules, groups and delete redudant rules, and it is possible to sort often used rules up, for more performance.

GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.

HLBR is an IPS (Intrusion Prevention System) that can filter packets in the OSI layer 2. Detection of malicious traffic is done by rules. It can even be used as bridge to honeypots. The HLBR is a firewall element and can use regular expressions. Warning: this project was discontinued and should not be used in production networks. There are several bugs.

nf-HiPAC is a high performance packet filter for Linux. It provides the same rich feature set as iptables but uses an advanced algorithm to minimize the number of memory lookups per packet.

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.

Jateway is a general purpose TCP/IP connection proxy. Jateway accepts connections on arbitrary ports (like 80 or 443) and specific host:port combinations (like WANIP1:443 and WANIP2:443) for multi-interface systems Supports single TCP connections (like MySQL), and multi-TCP connections like HTTP and HTTPS, and fowards them to arbitrary host/port combinations.

Kwickserver is a do-it-yourself Firewall appliance optimized for educational use, but can be used in all other scenarios. It installs automatically from CD on your HD and is administered via webinterface. Download it from the project homepage!

linux4501 is a linux software distribution for the soekris net4501 single board PC (see www.soekris.com). It fits on a 16 or 32 MB Compactflash card and turns the 4501 into a firewall and (dsl) router. It can also be used as a starting point for your ow

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

This project wants to provide useful tools for routing simple small private networks using a dial-up or broadband link. These tools consist of firewall and traffic shaping tools currently. Any feedback is welcome.

Security-Tools Database is an easy to use tool to manage tool-tipps (e.g. from the SecurityFocus.com Newsletters and other sources). Simply copy + paste tipps from the newsletter or enter tipps manually. Finds tools by any combinations of search criteria.