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Re: When SSH standards noncompliance is a "feature"
> What it's sending isn't just a truncated SSH ID but the truncated ID
> followed by a string of space characters, which aren't immediately
> visible unless you're looking at a hex dump.
Does it have the second dash? As in, SSH-2.0- ? If so, I think
it's technically conformant; it's just a zero-length softwareversion
string and a comment containing a bunch of spaces. If not, of course,
it's broken.
> I don't want to publicly name and shame but if someone wants the
> server FQDN for testing against, let me know. In brief, if your
> client can connect to this server then it's not implementing SSH
> correctly.
Is there a requirement that a client refuse to accept a nonconformant
banner from the server? I don't recall any. I would treat that as an
error condition whose recovery is unspecified, meaning that pretty much
any behaviour on the part of the client is allowed.
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