how to listen to received traffic in my local computer

Hello all how can i listen to traffic that coming from the internet tcp or udp to my home pc ? is there any way ?
[134 byte] By [Meirya] at [2007-11-27 4:23:14]
# 1
Get something that does that like ethereal.Via java you will have to use a 3rd party library.
jschella at 2007-7-12 9:30:45 > top of Java-index,Core,Core APIs...
# 2
is there any free ware lib i can use ?i just want to understand the concept thanks
Meirya at 2007-7-12 9:30:45 > top of Java-index,Core,Core APIs...
# 3
Your question isn't clear.Ethereal is free. But isn't java.For java look for jpcap (or something like that.)
jschella at 2007-7-12 9:30:45 > top of Java-index,Core,Core APIs...