Daemon intended to run on end user systems providing the functionalities of a "network neighborhood" by relying on the TCP/IP protocol stack.

Linux networking feature enabling computers with no officially assigned IP addresses to reach the Internet.

Type of server that can be used as an advanced load balancing solution for building highly scalable and highly available network services.

Open source host, service, and networking monitoring application.

Software of the packet filtering framework inside theLinux 2.4.x and 2.6.x kernel series. Enables packet filtering, network address and port translation, and other packet mangling.