I am testing a thick client which is connected to a database, need to sniff traffic b/w tcp port on same machine
WireShark (formerly Ethereal) will work perfectly, if you re not familiar with it, it can be a little tricky on OSX, Windows it s no problem and Linux can be a headache. You can download it here http://www.wireshark.org/, and read a short-primer here - http://www.ipprimer.com/packets.cfm
Essentially there s a capture phase, and then you can work with the data – for your purposes you can live-capture and filter the output to the packets on the port/destination you care about, I ve used it many-a-time to debug dodgy home networking, or problems at the office.
Beware if using MySQL and localhost for example, this is a key-word for MySQL and it will infact use the socket instead.. which makes things a matter more complicated, you can circumvent this problem by always making sure to use 127.0.0.1 if working with MySQL. (Perhaps other software uses this convention?)
You can try some tools like WireShark.
Assuming you re on Windows:
I d split the client and server across two machines, either two real ones, or a VM with something VMWare. Then I d use Wireshark.
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I am testing a thick client which is connected to a database, need to sniff traffic b/w tcp port on same machine
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