tcptrace input

tcptrace is NOT a packet capture program. It reads output dump files in the formats of several popular packet capturing programs:

tcpdump: tcpdump is the standard public domain packet capture tool. Source code was last seen at LBL
(There's also a wintel version called WinDump)
snoop: snoop is distributed with Solaris by Sun Microsystems
etherpeek: etherpeek is a nice packet capture program for the almighty Macintosh. More info available from the Ag Group
HP Net Metrix: HP Net Metrix is a nice product from HP