Re: sshd hangs after SSH2_MSG_KEXINIT sent - Fedora Core 5 update
The "No credentials found" error is because your client is trying to look up Kerberos credentials, but you are probably not using Kerberos. I was able to resolve the issue by simply adding the following to the end of /etc/ssh_config:
GSSAPIAuthentication no
GSSAPIKeyExchange no
No restart necessary -- the next time you initate an SSH conneciton, it should take effect.
I had one or two stubborn systems where it still happened and I resolved those by putting the same lines in /etc/sshd_config so it changed the way the server behaves. In this case, you'll have to restart the SSH daemon for the changes to take effect.
Hope it helps!
--Dave