proposal: new DisableBanner client side option

[Iain Morgan]

Sometime ago, Jan Pechanec wrote:
> 
> 	hi all, we had quite a few requests recently so that SunSSH allowed 
> to hush a banner on client side when in command-mode only. The argument 
> usually is that the banner is mandatory due to legal reasons so first time 
> login users should see it but that it causes problems when ssh is used from 
> scripts after that. '-q' often seems not an option. RFC 4252 permits hushing 
> banner in section 5.4.
> 
> 	we want to add DisableBanner option to SunSSH with 
> yes/no/in-exec-mode arguments, default to "no". It's designed to be 
> extendable in a backward compatible way to a comma separated list of 
> "in-<mode>-mode" strings if needed in the future. "in-subsystem-mode" could 
> be the next candidate.
> 
> 	since we try to avoid divergence with upstream (= OpenSSH) if 
> possible I would like to ask, in case you would be interested in adding such 
> functionality to OpenSSH in which case I can provide a patch then, whether 
> this would be an acceptible syntax for both.
> 
> 	thanks, Jan.
> 

Hi Jan,

At the risk of pointing out what you may already be aware of, the
banner can be suppressed by setting the LogLevel to quiet, fatal, or
error. Setting it to 'error' allows the banner to be suppressed without
throwing away authentication errors etc.

--
Iain Morgan