In my case it was due to an Intrusion Detection System
I have exactly the same problem. upgrade to 11.04 then ssh to the university I work won't work any more. both client and server say "connection reset by peer", limiting the cipher length have it work. Details ares here :
In my case it was due to an Intrusion Detection System
I have exactly the same problem. upgrade to 11.04 then ssh to the university I work won't work any more. both client and server say "connection reset by peer", limiting the cipher length have it work. Details ares here :
http:// schplurtz. free.fr/ wiki/envrac/ reseau- bizbiz- ssh
Solution :
The Intrusion Detection System detects one of the TCP packets as :
and then it sends two reset packets to both the client and server. each of them then says : "connection reset by peer"
The security man removed the rule on the IDS, and then ssh works again ! magic.