Networking

• ggsniff
  ggsniff is a sniffer that allows you to record Gadu-Gadu messages. It is not currently a standalone application. Rather, it is a patch for dsniff that adds the ability to record Gadu-Gadu messages to...
  
• NBTscan
  NBTscan is a program for scanning IP networks for NetBIOS name information. It sends NetBIOS status query to each address in supplied range and lists received information in human readable form. ...
  
• Traff
  Traff sniffs your network interfaces and accounts the IP traffic on an IP basis. The configuration is very flexible, allowing you to create different/multiple accounting rules. The collected data is ...
  
• trafshow+rvnamed
  trafshow+rvnamed combines trafshow (which is a good traffic viewer for networks but is weak in DNS resolving), and iptraf. ...
  
• Ethernet Traffic Counter
  Ethernet Traffic Counter is a loadable kernel module that provides you the option to measure the total amount of bandwidth consumed by each of your users. ...
  
• HTTP Grabber
  HTTP grabber can be used to see what other people on your LAN are downloading as it saves information being sent via the HTTP protocol to disk. ...
  
• Network Monitor
  Netmon is a simple network monitoring tool. It monitors hosts and services, records activity, and notifies you by e-mail of status changes. ...
  
• tcpick
  tcpick is a textmode sniffer that can track tcp streams and saves the data captured in files or displays them in the terminal. Useful for picking files in a passive way. It can store all connectio...
  
• Server Logging Operations Platform
  SLOP is an engine for the collection of and reporting on logs from various network based devices such as firewalls, switches, and Web servers. ...
  
• ProxyView
  ProxyView is a simple proxy server which relays TCP/IP[v4] connections from an IP:port defined on the commandline to another address:port. It dumps to the console all the data which arrives on the cl...
  
• Tvark
  Tvark is a network monitoring tool (sniffer) with a GUI front-end, and is tied to a MySQL database. ...
  
• Traffic tool Troll
  The Traffic Tool Troll is a traffic monitoring and managing script. Traffic statistics are generated by port, hour, day, month, and year. ...
  
• TCP Re-engineering Tool
  TCP Re-engineering Tool monitors and analyzes data transmitted between a client and a server via a TCP connection. It focuses on the data stream (software layer), not on the lower level transmission ...
  
• vnStat
  vnStat is a console-base network traffic monitor that keeps a log of daily and monthly network traffic for the selected interface. ...
  
• trafflogger
  trafflogger is a conf-based traffic logger. All the logged data can be displayed (graphed) via the Web. Users can use it to get a global view of network load or to get a closer look at any of the hos...
  
• arpdetect
  arpdetect is a Perl script that detects when the network you're connected to changes. ...
  
• MRTG Total Traffic Generator
  The MRTG Total Traffic Generator is a PHP script that sums up your total traffic over a specified period by using MRTG log files. ...
  
• Serial Line Sniffer
  slsnif is a serial port logging utility. It listens to the specified serial port and logs all data going through this port in both directions ...
  
• TrafficWatch
  TrafficWatch is a system for accounting Internet traffic in a residential college or school type of environment. ...
  
• Network-Accounting Daemon for Netfilter
  ulog-acctd is a userspace network accounting daemon which generates log files of network traffic for accounting purposes. ...
  
• jnetload
  jnetload is a server application which logs the load average of a network connection (eth0/ISDN/DSL). This data is transmitted to client applets that visualize it on a Web page with a histogram. ...
  
• p0f
  P0f is a versatile passive OS fingerprinting tool. It can identify the operating system on machines that connect to you (SYN mode), machines you connect to (SYN+ACK mode), machines you cannot connect...
  
• ulogipac
  ulogipac is a powerful IP traffic accounting tool for Linux routers and hosts. ...
  
• watchDhcp
  watchDhcp is a simple script that lets you watch and react to a change in the system's IP address. It is useful for automatically reconfiguring NAT, DNS, and firewall services. ...
  
• MZL & Novatech TrafficStatistic Linux Server
  The MZL & Novatech TrafficStatistic Linux Server collects IP usage statistics from the network interfaces of the system on which it is installed. It will store the IP data records, and the Traffic St...