host_key and fingerprint problem with protocol 2

[Darren Tucker]

Stephan Hendl wrote:
[snip]
> the client doesn't recognise that the host_keys are identical and
> says everytime that there can be a "man in the middle..."

This is probably because ssh on "c" knows a v2 host key for your
firewall which is different from "a" and "b".

> Does have anybody a solution?

In $HOME/.ssh/config on "c":

Host a
	Hostname firewall
	Port 22136
	HostKeyAlias a

Host b
	Hostname firewall
	Port 22137
	HostKeyAlias b

-- 
Darren Tucker (dtucker at zip.com.au)
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    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.