Networking

• Proxy Scanner
  Proxy Scanner is a tool that looks for proxy servers and tells you whether or not they can bounce your connection. ...
  
• Jumper
  Jumper is a program for the search and analysis of hosts. It maps the network using the ARP protocol, and optionally can create an NMap script. For example, it can tell you which IP addresses are fre...
  
• kaweth
  Kaweth is a driver for Kawasaki KL5KUSB101 based USB to Ethernet bridges. ...
  
• firefly
  firefly is a firewall and QoS script for Linux netfilter. It is all-in-one and very easy to use. The configuration is cached and the firewall built in such a way that it can be rapidly rebuilt as a d...
  
• IPsec-Tools
  IPsec-Tools is a Linux port of the user-space tools from KAME. It includes libipsec (a library with a PF_KEY implementation), setkey (a tool for manipulating and dumping the kernel Security Policy Da...
  
• Nerys
  Nerys is a "Watchdog"-like daemon designed to help you monitor state changes (up or down) of the network interface, with the ability to execute specified commands on defined state change. ...
  
• Reliable Forwarder Daemon
  The Reliable Forwarder Daemon (rfd) does TCP forwarding by listening on a user-defined port and forwarding incoming connections transparently through a second rfd server on a remote machine. ...
  
• Multiscan
  Multiscan is a TCP port scanner for the console which allows you to scan a range of IP addresses. ...
  
• LooperNG
  LooperNG is an intelligent event routing daemon. Primarily used for Network Management, this application can be used to accomplish a variety of tasks related to logging and alerting. ...
  
• ipsectrace
  Ipsectrace is a simple utility designed to profile the ipsec traffic (esp and ah) in a pcap capture file. It is somewhat inspired by tcptrace. ...
  
• packETH
  packETH is a Linux GUI packet generator tool for ethernet. It allows you to create and send any possible packet or sequence of packets on the ethernet. ...
  
• trafcalc
  Trafcalc calculates the size of the TCP-payload on a system via packet capturing and connection tracking at the user level instead of the IP level. ...
  
• Aguia, lua module
  Aguia is an Apache module to create lua handlers. It can cache precompiled scripts on the server to improve server speed. ...
  
• SFSU Penaltybox
  The SFSU Penaltybox is a solution for high network traffic in residence halls. It implements a bandwidth quota, penalizing the users who cause most of the network congestion. When users go over their...
  
• Anti-censorship Tools (proxyTools)
  Anti-censorship tools (proxyTools) consists of a huge Perl application (localProxy) and a set of tools to analyze the user's network (proxies, firewall rules, name servers, etc.). LocalProxy abstract...
  
• kopkop
  A stealthy secure remote command trigger for IP networks. ...
  
• Radstock Radius Analyser
  Radstock is a tool to analyse RADIUS traffic on high volume radius servers. It has the ability to fully decode each packet, and also has extensive filters capabilities to allow you to selectively mat...
  
• Dents
  Dents is a from-scratch implementation of the server side of the DNS protocol, sharing no code with any other project. Among its several features are compatibility with named, a modular driver system...
  
• udpeq
  udpeq balances UDP traffic over parallel routes, useful if you want to connect two endpoints through several slow or unreliable channels. ...
  
• fairly fast packet filter
  The fairly fast packet filter (FFPF) is an approach to network packet processing that adds many new features to existing filtering solutions like BPF. ...
  
• jlip
  jlip is a SLIP-driver with additional features like one logical link over many physical lines (multiline), IP-over-TCP tunnelling with public key hosts authorization and data encryption (blowfish wit...
  
• Kernel Socks Bouncer
  ksb26 (Kernel Socks Bouncer for 2.6.x) is a patch for the Linux 2.6.x kernel that redirects full TCP connections through a socks5 proxy. ...
  
• uLan Driver
  uLan Driver provides 9-bit character message oriented communication protocol, which is transfered over an RS-485 link. The physical layer consists of one twisted pair of leads, and RS-485 transceiver...
  
• Traffic Control - Next Generation
  Traffic Control - Next Generation (tcng) is a revision of the Linux network traffic control infrastructure that aims to make the configuration language less cryptic, and provide better interfaces for...
  
• ISISD
  ISISD (IS-IS routing daemon for Zebra) aims to provide an implementation of the Integrated Intermediate-System to Intermediate-System (I-IS-IS) link-state routing protocol as a Zebra module. ...