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Ptcap is a Unix daemon that captures traffic packet size, source, destination, and times and saves this data into a postgres (and now ODBC including mysql) database in near real time, from which traffic reports may be made.
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.
The program implements the CIDR merging with whitelisting (network exclusion). Output will be summarized to be as small as possible. The program has been widely used for blacklist merge and optimization.
TEF is a fully-featured, secure and has advanced capabilities including the intuitive Xsentry easy-to-use administration graphical user interface with WYSIWYG (What You See Is What You Get) front end which has drag and drop security policy deployment.
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FOSSWALL project is now merged under the Open Source Security Network (OSSN) project. Open Source Security Network is a community who are dedicated to working in different aspects of IT Security, Network Security, Application Security, Email Security etc
The ADSL optimizer is an accurate packet scheduling solution for ADSL connections, based on Linux and HTB. The solution guarantees low latency while maintaining full utilization of both upstream and downstream, without wasting link capacity.
HardWall Firewall: Is an iptables script that does the following:- Port Forwarding, Packet Filtering, Statefull Packet Inspection, Port Redirection, Masqurade, SNAT, DNAT, NAT & Bridging - Functions as both a Workstation and IP Forwarding Firewall
jIPFire is an easy-to-use basic Linux iptables generator written on Java. It has some ready, very basic and general, rules that can be applied, or just displayed, and it gives you also the ability to create your own custom iptables rules.
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sddelta shows the differences in the configuration of SmartDefense between two exports from a Check Point NGX SmartCenter. sddelta requires Perl and has only been tested on Linux so far.
A complex software (firewall, network access informant, traffic calculator) for xDSL subscribers of Sibirtelecom company. Only Novosibirsk city branch supported at now.
This is a graphical interface for managing your peerguardian/linux block lists under linux. The main objective of this project is to allow people to use moblock without using the console.
Amber - a "grey list" for Qmail. Amber sits in the tcpserver chain, not accepting or rejecting mail but deferring connections from new IP addresses for some time (default five minutes) before it starts accepting mail from them.
SquidRestrict is a Web based tool that allows multiple time restrictions to be placed on internet usage for firewalls that use the Squid Web Cache (http://www.squid-cache.org/).
kclamav is a lite and streaming version of the ClamAV virus scanner.
It is built as a Linux 2.6 kernel module and hooks via the Netfilter API.
The ClamAV virus database is loaded into kernel memory.
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.