Hi, all Some time ago I find out that I have some kind of communication problems over internet with some hosts.
It looks like "dead" connection. for example: I open a pop3 connection to some host with telnet. I can login and retr small messages with no problem. (small = 10k) I can even retr such messages several times in sequence so that total session traffic come up to 100k. But if I try to retr a large message (30k) after some amount of packets other side stop responding. I use tcpdump and notice that the last packet of "hanged" session was sent by my host. But after few minutes I receive response from other side say that connection from my host was closed due to timeout. While all this is taking place I can still reach that host by ping or opening another session and work without any problems (if I'm not tring to retr "large" messages). I'm a newbye in "tcp connection internals" so I can't enterprete tcpdump's output well. May be some one can show me where I can get info on how all this internet connections are constucted. Any other advise on how to solve that problem TIA alex
