I've got a RHEL 5U1 server I access via SSH (and NoMachine NX over SSH)
by IP address over a corp. VPN. It's addressed via DHCP. No firewall,
SELinux disabled.

I keep getting disconnected with innocuous client-side messages of
"network connection" issues. If I try to connect again immediately, I
get a warning that the RSA hash has changed and cannot log in (get login
prompt, but auth fails). If I wait a few moments before trying to
reconnect, I have no issues.

I see nothing in any of the logs. The "secure" log shows warnings about
reverse look-ups on my client, but that's it.

Does this sound like another server stepping on my IP? I see nothing to
support that... so I'm wondering if this odd RSA issue has something to
do with the NoMachine daemon resetting itself in some fashion... or if
it's some kind of SSH bug.

TIA
Don

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