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"TKMsense" an easy to use secure OpenBSD based firewall distribution. TKMsense's main goal is to blend ease of use and security. While still being friendly to the beginner.
Full source code
https://sourceforge.net/projects/tkmsense/files/TKMsense_Source_Code/
TKMsense versions
1. ISO-this file is meant to be burned to a CD/DVD or to install into a hypervisor's vm
x86_64 bit https://sourceforge.net/projects/tkmsense/files/TKMsense_V0.0.4/amd64/TKMsense_0.0.4_amd64.iso/download
x86_32 bit https://sourceforge.net/projects/tkmsense/files/TKMsense_V0.0.4/i386/TKMsense_0.0.4_i386.iso/download
Important note "TKMsense only helps with networking settings. not initial installation."
shell program to automatically configure freebsd as a firewall
This shell program automatically configures FreeBSD 9.1 and above as a firewall with only 2 answers from the user. The main goals of this program are minimal user input, ease of use and sensible security defaults.
It's written for the sh shell included in FreeBSD by default.
flex-fw is a small and fast console frontend to iptables
flex-fw is a small and fast console frontend to iptables with an easy syntax similar to pf, ipf or ipfw from BSD systems. The main goal was making a lightweight tool to manage tons of iptables rules on multiple Linux hosts with a similar configuration.