netfilter.org is home to the software of the packet filtering framework inside the Linux 2.4.x and 2.6.x kernel series. Software commonly associated with netfilter.org is iptables.
The following is an example iptables firewall that allows incoming ssh connections from an individual IP address (192.168.1.100), allows all outbound traffic, and uses stateful inspection.
ate-limit all incoming SSH connections to 8 in a one minute window. Normal users will have no trouble logging in, but the brute force attacks will be dropped, limiting the number of possible account combinations from unlimited, to 8.
BrazilFW is a Linux mini-distro, designed for setting up network utility services such as internet connection sharing, firewalling, routing and wireless access points. BrazilFW aims to make it as quick and easy as possible to set up a Linux system with mi
BrazilFW is a Linux mini-distro, designed for setting up network utility services such as internet connection sharing, firewalling, routing and wireless access points. BrazilFW aims to make it as quick and easy as possible to set up a Linux system with mi
The Bastille Hardening program "locks down" an operating system, proactively configuring the system for increased security and decreasing its susceptibility to compromise. Bastille can also assess a system's current state of hardening, granularly reportin