Thus said johnw@wonghome.net on Wed, 22 Sep 2010 08:43:16 +0800:

quoted text
> I want to get is something like that
> Data: Post /from.php?q=123 abc.com
> 
> Can tcpdump -X do that?
> if yes, can you give me one example?

You probably want tcptrace or ssldump.

Lately, however, ssldump doesn't work and returns:

ERROR: Couldn't create network handler

So you might need to fiddle with the source code if you use ssldump.

Andy