[Pdns-dev] gmysql backend rejects non-alpha pw chars

Justin Clift justin at salasaga.org
Tue Sep 4 16:00:36 CEST 2012

Hi all,

Found a minor problem with the gmysql backend.
Wondering if anyone has ideas for a workaround.

The password policy here is to include non-alpha
characters in passwords.  For example:


However, even though that's a valid MySQL password,
and the mysql command like utility has no issues
with it, PowerDNS's gmysql backend refuses to use it.

Errors out with:

  gmysql Connection failed: Unable to connect to database: Access denied for user 'pdns'@'localhost' (using password: YES)

Removing the non-alpha chars like this allows things
to work:


But, that's not compliant with strong password
policy. :(

Thinking the problem may be escaping related, tried
these too:


Still no go.  Anyone have ideas?

Regards and best wishes,

Justin Clift

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