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"diptables" is short for "distributed iptables" and as the name implies, it is trying to provide a facility to manage a large "firewall system" in which many number of single firwall machines exist. In this state, it is a very simple C++ program to add
chainssh is a shell script to smplify the ssh login via multiple sshgateways/firewallgateaways. e.g. connect from homehost via sshgateway to a clusternode with one command.
This project will serve as a central hosting/bug tracking center for modifications to the SmoothWall.org firewall distribution. Support and information for the "mods" posted here can be found on the SmoothWall.org forums, the SmoothWall.org IRC server, or
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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
redWall is a bootable CD-ROM Firewall with Snort, snortsam, dansguardian and support for fwbuilder, spamassassin, reporting (using ACID/sarg/ntop/webfwlog), VPN (FreeSWan/PoPToP/Openvpn) and mail alerting (by mail). Configs are stored on a Floppy or USB
ITVal is an analysis tool for evaluating iptables firewall systems. It provides an easy way for a system administrator to verify that his firewall provides the protection he thinks it does. ITVal can analyze multiple NAT'd firewalls connected serially.
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
TuxFrw is a set of scripts created to ease the way Linux IPTables rules are configured. Using TuxFrw an user can configure his own Linux / Netfilter based network firewall, simply passing some IP address numbers and other services utilization policie
iplist is a list based packet handler which uses the netfilter netlink-queue library (kernel 2.6.14 or later). It filters by IP-address and is optimized for thousands of IP-address ranges.
SOCKS Server and Library for Java. Support for versions 4 and 5 of SOCKS protocol. Designed to be easily expandable to support different encryption/authentication/authorization methods. Sample server and client are available.
A command line tool that allows you to (live) analyze netfilter (iptables) log files. It provides a nice output and has features like displaying hostnames, duplicate detection... More info (+ screenshots) can be found in the pdf inside the tarball.
This is the effort to make a simple small business server that provides basic infrastructure with spam and virus protection, service usage accounting and reporting, easy provisioning and password management, message board, addressbook and other.
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.
The Kernel Intrusion Detection System-KIDS, is a Network IDS, where the main part, packets grab/string match, is running at kernelspace, with a hook of Netfilter Framework. The project is not ready for use, then incomplete pieces of code may be found.
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.
Enables tunneling of network connections through restrictive HTTP proxies. Features: Portmapping, SOCKS4, SOCKS5, web-based admin interface, possibility to use standalone server (perl) or hosted server (PHP), optional authorization from LDAP or MySQL
This product is no longer maintained:
The author created alternative tools: https://databunker.org/ and https://privacybunker.io/
GreenSQL is a database firewall engine used to protect Open Source Databases from SQL injection attacks. It works in proxy mode. Application logic is based on evaluating of SQL commands using risk score factors, as well as blocking of sensitive commands
FWInit is a simple firewall initialization utility coded in Python with Python configuration scripts with access to useful functions for manipulating the iptables filters and keeping the same state between invocations.
This is a squid external authentication helper to facilitate SSO, single sign on, with Novell's eDirectory. It's written in mono and uses LDAP to access the information stored in eDirectory.