ok,
i got computer A running sshd listening for connections on port a, i got 
computer B running sshd listening for connections on port b.  both are behind 
a hardware firewall that forwards stuff on port a to computer A and stuff on 
port b to computer B.  the hardware firewall is also my gateway.  lets call 
my ip address X.

now the problem is sshing from a single machine to both computers A and B.  
consider sshing to computer A:
ssh -p a X
yes to creating a key in known_hosts for ip address X
now if i issue the following command to get into computer B:
ssh -p b X
ssh bombs out with a failure message about the RSA host key has changed.  
obviously cuz computers A and B are different machines, but known_hosts has 
one key entry for both of them (cuz they share the same ip address).

what can i do about this?  i don't like having to delete stuff outta 
known_hosts every time i wanna ssh into a different one of my home computers.

thanks,
christopher



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