arpwatch2html is a script to convert the arpwatch flat-file database into a nice looking HTML page.
CBQ.init script demonstrates the power of the CBQ mechanism in network traffic management. This bash script parses human-readable config files and does all needed manipulation with 'tc' linux kernel utility.
conntrack viewer is a Perl script to view the masquerading connections with iptables, it uses /proc/net/ip_conntrack.
Dowse is a minimalistic script that can turn an old PC into a transparent proxy for home network privacy. It facilitates the setup of a LAN masquerading firewall, web proxy and functions as gateway to dark web hidden networks as Tor or I2P.
env_audit ferrets out everything it can about the environment. It looks for process ID, signal masks, umask, priority, leaked file descriptors, and enviromental variables. it comes with a test configuration for: xinetd, apache, stunnel.
File Tosser is a collection of scripts and code examples that demonstrate a very simple approach to serving files across a network.
filtergen is a packet filter generator. It compiles a fairly high-level description language into iptables rules (and will shortly support ipchains and Cisco IOS ACLs).
Fina is a simple, robust bash script that loads iptables rules from a rules directory.
ipv6calc can be used by scripts to convert IPv6 addresses from one format to another.
izBalancing is a bash script allow you to easly and fastly configure a complex Load Balancing Multi Homed Internet Gateway for inbound and outbound traffic.
N:aRC (Nec's Amarok Remote Control) is a shell script, which allows the (remote) controlling of amarok per ssh. It is possible to run it with keyboard shortcuts.
netEasy allows easy and fast configuration of ethernet interfaces in Linux. With netEasy, it's possible to change network parameters such as IP address, netmask, and gateway in an easy, fast, and interactive way.
netscript is a TCP socket scripting program
nettop is a program which looks like top, but is for network packets. It requires libpcap and slang.
Netcom is a simple script for sending and receiving data over TCP/UDP connections. It can be useful for testing firewall configurations, routing tables, and similar things.
oinkmaster is a simple Perl script released under the BSD license to help you update/manage your Snort 2.0+ rules.
Packet Excalibur is a multi-platform graphical and scriptable network packet engine with extensible text based protocol descriptions.
peep is a network-file-stdio connectivity utility. peep will route data among TCP/UDP connections, files and standard I/O file descriptors, in any way you specify.
perlipq is a Perl extension to Linux iptables userspace queueing via libipq.
PFconf is a very simple script collection to ease working with "naked" packet filters, especially Linux IPTABLES netfilter facility.
This script is intended to provide a way to ping multiple hosts, and check for their availability and responsiveness. Besides the regular "it's alive" check, we can see the amount of lost packets and average response in a given time.
PyKeylogger is a cross-platform keylogger. It is primarily designed for backup purposes, but can be used as a stealth keylogger too. It is a set of [relatively] short Python scripts that you can easily examine.
SqStat is a script which allows to look through active squid users connections. It use cachemgr protocol to get information from squid proxy server.
ssh-forcecommand is a trivial script to safely execute remote commands via ssh. It is especially aimed at automated remote commands (in which ssh keys are not secured via password), where a compromise of the remote system could also compromise the local system.
sshdautoban is a script intended to automatically ban, in real time, attackers that are trying to connect on your sshd service without authorization. It blocks connections from an IP address when it issues too many login errors.
Syslog-Fifo is a Perl script which allows parsing of syslog traffic.
Traffic Control Super Script
Tcss implements traffic shaping using iproute2 and iptables. It supports multiple network interfaces, layer7 shaping (l7-filter module is required), grouping of networks / hosts, bandwidth bursting, sharing bandwidth between networks within groups, network exclusions, and multiport rules, and can shape by TCP/UDP port, IP, network block, and layer7 (payload). It also supports a flat file or MySQL backend.
update-zoneinfo is a utility for synchronizing a host's time zone information according to definitions stored on a central server. Linux and Solaris are currently supported. It can be periodically run from crontab to deal with changes in daylight saving times.
url-sniff provides the ability to sniff HTML 1.1 GET request that goes throught our server.
urlchange is a small script written in the Python programming language, that allows you to check if a list of URLs has changed. Although the name suggests generic URL change-detection, currently only the HTTP protocol is supported.
Zonemaker is a small python script to simplify the creation of BIND9 zonefiles. It is configured using files similar to Windows' .ini files and generates neatly formatted zonefiles.