HI,

I'm trying to write a client for X.400 that works over TCP/IP. I've found such a client and I'm trying to sniff the communication with the server, however, 2 issues have arisen:

1. With ethereal, It's very hard to follow a large communication in TPKT, as the only level at wich it provides me with some "stream of data" is at TCP level, and in this scenario there's TPKT, COTP, SES, PRES... etc on top of it. Is there a plugin for ethereal or some other software that would help me?

2. I'm looking for a library that would deal with the gory details of implementing TPKT. So far the closest thing I found was a library called isode, but even compiling the thing proved beyond my skill, since it's older than Linux...

Any help would be apreciated.