access via SSH

From the box to another system theire is no problem, but from other

Greetings, After upgrade from 8.0 to 8.2 I have problems accessing my system with SSH. linux-boxes or windows (using Putty) I cannot access it anymore. The firewall is on, also services allowed is SSH and I also tell firewall to accept tru port 22. I read a lot of info and went tru some conf files but I do not know where the problems is located exactly Richard