Am 20.03.2018 um 10:56 schrieb Mihai Moldovan:
> There are also problems with backslashes and other characters in user names.
> 
> They originate from a new sanitization feature in X2Go Server that drops
> characters not deemed suitable for a username.
> 
> A plus sign might not be part of the allowed character set, which would 
> explain
> this behavior.
> 
> We've had such an discussion before and I'm still not completely sure what to 
> do
> with it. It sounded like sanitization was a good idea at first, but seeing it
> causes problems often (well, for AD and NIS users only most of the time), 
> maybe
> I should rework this and just accept any input.
> 
> 
> Not sure if that is a smart idea, though.

Maybe we could add a config variable X2GO_ALLOW_IN_USERNAME, so admins
could adapt it to their needs, yet it wouldn't be our fault if they
shoot themselves in the foot with it?
Ship with a sane default (like we do now) and add a proper description
in the comments, everything else is up to the admin.

Kind Regards,
Stefan Baur

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