Protocol

How do i get the protocol for a program? I see that people have gotton AIM, AOL, and Yahoo protocol, how do i get it for another program?

For an internet program, use a packet sniffer and analyze what's being sent back and forth.

Where can i get that? :confused:

Free:
Ethereal http://www.ethereal.com/ (make sure you install the driver and required files)

Pay (with free trials):
Iris http://www.eeye.com/html/ (really expensive)
Commview http://www.tamos.com/products/commview/