Sniffit is a network sniffer for TCP/UDP/ICMP packets. 

Sniffit produces very detailed technical details about the packets flowing
through your network (SEQ, ACK, TTL, Window, ...) and also packet contence
in different formats (hex or plain text, ...)

WWW: http://reptile.rug.ac.be/~coder/sniffit/sniffit.html
FAQ: http://reptile.rug.ac.be/~coder/sniffit/sniffit-FAQ.html
     or
     http://reptile.rug.ac.be/~wvdputte/sniffit_addicts_anonymous/

- Adam McDougall
mcdouga9@egr.msu.edu