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e-U Connect is a bash+dialog based user interface to WPA supplicant for connecting to the e-U network under GNU/Linux. Major features include: iterative and menu mode, fast connect/disconnect, stress mode, MAC address spoofing
DrKnock is a Dynamic Port Knocking solution based on sig2knock (http://www.security.org.sg/code/portknock1.html). Client and server work on both Unix and Windows.
dyndaemon runs from commandline or cron, takes the actual IP address from the external interface and checks that a list of daemons' config files are correctly configured with that address to listen to. If not, it changes it and restarts the daemons
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Mupisim is a simulator for distributed, mobile systems. Its primary purpose is the study of mobile processes (e.g. mobile agents) and their communication mechanisms. It may also be used to evaluate the efficiency of a given process migration scheme.
RTelnet is a reverse Telnet, it's increadably useful to get behind firewalls and NAT's or routers running ip masqurading.
very useful for remotely admin someones PC remotely when they don't know how to do anything like opening their firewall.
Soulcatcher is a Squid redirector designed with educational establishments in mind. It is designed to be easy to use and allow easy updating via a commandline.
A daemon to detect spammers trying to harvest email addresses by username guessing and temporarily DROP them with iptables firewall rules. The program also looks for and kills sendmail processes that have been stuck in "cmd read" mode for a long time.
Program to test a libcap capture file for protocol coverage. Usable as a tester for packet generators meant to produce packet sets for testing of network interface projects.
First perl-based configuration tool for nagios (http://nagios.org). Uses Web-interface and/or Commandline tool. Requires: DBD::mysql, DBI::mysql, CGI. Is a real alternate against PHP configuration tools.
LANtern is a packet analyzer for Linux. It's written in C (without pcap) and released under the MIT license. It supports ARP, RARP, MPLS, IPv4 (AH, ESP, GRE, ICMP, IGMP, IPComp, TCP, UDP, UDP-Lite, and IP-in-IP encapsulation), and more.
Small but complete enviroment for building custom embedded system (x86 and other). Based on the gentoo system and uclibc-embedded project. Ideal for small hardware like WRAP or Soekris.
Zulu is a light weight 802.11 wireless frame generation tool to enable fast and easy debugging and probing of 802.11 networks. It has an intuitive commandline interface and operates with the madwifi-ng network drivers.
Commandline and wxWidgets UI for an HTTP(S) proxy that can tunnel web requests over one or more SSH tunnels to one or more web specified servers, while using a direct connection for all other traffic.
Packet generator for security research (currently RADIUS protocol). Create either large highly variable test runs or short programs demonstrating a characteristic sequence of packets.
This utility binds IP addresses of your local network according to MAC adresses stored in MySQL database. It can help to avoid IP spoofing, and increase network control.
This tool lets you login with SSH to a group of machines and interact with them as if they were one machine. Each command that you enter is run in parallel on all machines in the group. The output from each machine is printed separately.
Bruteblock allows system administrators to block various bruteforce attacks on UNIX services. The program analyzes system logs and adds attacker's IP into IPFW table effectively blocking them. Addresses are removed from the table after expiration period
Human Configurator for iptables and tc [traffic control], in order to obtain a traffic-shaping system with a few of click. Basically, it's a perl script which parse an xml config file, where you can put your shaping and filtering rules for your net(s)/h