Sniffit 0.3.7beta - Very good packet sniffer for unix. Has an interactive mode where you can select connections in progress to watch, or a mode to log packets to a file in the background. Supports a configuration file and tpcdump like packet filtering. Sniffit runs on LINUX, SunOS, Solaris, FreeBSD and IRIX.
2697cc18878480199fe6db1e61134d5a