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syndetector is a software which can detect and drop packet when a synflood attack is detected ! Based on a simple detection system (by the use of iptables and libipq) and on a simple use It is realy easy to setup this software.
Single floppy or compact flash based firewall for home DSL / cable modem users based on PicoBSD. Platforms includes embedded PCs with or without video and keyboard support such as the Soekris Net4501 as well as old PCs.
a linux netfilter/iptables firewall log summarizer with graphical and command line interface that helps the sysadmin in his daily routine. points of interest can be examined closer to gain further information. you can also run it in command line mode and
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TunnelTools is a set of perl scripts to allow anonymous rsync and CVS access from machines inside a firewall by tunneling over an ssh connection to a host outside the firewall.
UCAS or Universal Central Admin System.Client to Server API system for administrating Unix/Linux/BSD systems that allows a quick and effective method for keeping control of all your servers in one central system.
yxorp is a reverse proxy and application level firewall for the HTTP protocol. It can do all kinds of checks on HTTP traffic, and is highly configurable. It also has other functions that are useful for a web frontend, like load balancing.
LanBiz is a free, Open Source Server Suite, mostly fitted for SOHO (Small Office/Home Office) environments. The final LanBiz will include: an internet gateway/firewall, proxy, mail, file/print, fax/telephony server and more!
Bastille Linux is a Hardening and Reporting/Auditing Program which enhances the security of a Linux box, by configuring daemons, system settings and firewalling. It currently functions on most major Linux distributions and HP-UX. In the past, it has hardened Mac OSX as well.
We are working on a code update to modern Linux distributions.