randall <randall@songshu.org> wrote: > i can still login via SSH and issue commands, > but when opening a file with nano or issuing top it just hangs and > displaying a black screen until it times out. The MTU is too high, you're using Don't Fragment on the packets, and someone's broken firewall (possibly but not necessarily yours) is blocking the ICMP status messages that instruct the MTU to be reduced. Chris