OStatic

iptables is built on top of netfilter, the packet alteration framework for Linux 2.4.x and 2.6.x. It is a major rewrite of its predecessor ipchains, a...

Nmap is a security scanner originally written by Gordon Lyon (Fyodor). It may be used to discover computers and services on a computer network, thus c...

hping is a network tool able to send custom ICMP/UDP/TCP packets and to display target replies like ping does with ICMP replies. It handles fragmen...

openSIMS is distributed via SourceForge under a modified Mozilla Public License. OpenSIMS ties together NMap, Snort, and other open source tools into ...

Snortalog is a powerful Perl script that summarizes Snort logs, making it easy to view any network attacks detected by Snort. It can generate charts i...

Scapy is a powerful interactive packet manipulation tool, packet generator, network scanner, network discovery tool, and packet sniffer. It provides c...

Autossh is a program to monitor and automatically reestablish SSH connections. It is similar to rstunnel (Reliable SSH Tunnel), however, it is imp...

arpalert uses ARP address monitoring to help prevent unauthorized connections on the local network. If an illegal connection is detected, a program or...

GNU SASL is an implementation of the Simple Authentication and Security Layer framework and a few common SASL mechanisms. SASL is used by network s...

strongSwan is a complete IPsec and IKEv1 implementation for Linux 2.4 and 2.6 kernels. It interoperates with most other IPsec-based VPN products. It i...