<div dir="ltr">No, the banner is shown BEFORE authentication is made; see <a href="http://linux.die.net/man/5/sshd_config">sshd_config</a>.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 26, 2015 at 7:19 PM, Tim Landscheidt <span dir="ltr"><<a href="mailto:tim@tim-landscheidt.de" target="_blank">tim@tim-landscheidt.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">(anonymous) wrote:<br>
<br>
>>> It looks like a temporal error. Now there is no warning.<br>
<br>
>> This happens when our network service crashes. While the network<br>
>> service is down, all traffic bound for a specific instance instead hits<br>
>> the network server. Ssh blithely tries to log in there, sees the wrong<br>
>> host key, and complains.<br>
<br>
>> This was a side-effect of the upgrade I'm in the middle of. I'm done<br>
>> with the networking stuff so the problem shouldn't recur immediately. I<br>
>> don't know how to avoid it entirely :(<br>
<br>
</span><span class="">> As that host is not supposed to get any connection, I would<br>
> put a Banner entry on sshd_config saying "This is not the<br>
> drone you were expecting to log into" (or a more elaborate<br>
> phrase of your email :P).<br>
> That would at least hint that instead of panicking we should<br>
> go to irc to bug you for crashing the network service ;)<br>
<br>
</span>Isn't the banner only shown after establishing the connec-<br>
tion, i. e. after the user would "fix" the host's finger-<br>
print?<br>
<span class="HOEnZb"><font color="#888888"><br>
Tim<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
<br>
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