Mailinglist Archive: opensuse-bugs (2746 mails)

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[Bug 822414] glibc 2.17 dns resolver fails to return query results with _ in the name

--- Comment #2 from Giedrius Liubavičius <root+novell@xxxxx> 2013-06-04
09:41:09 UTC ---
(In reply to comment #1)
A DNS hostname label must not start with an underscore.
And the HOSTNAME part does not! The SUBDOMAIN label has this.
See RFC 2782 for names with _

Anyway... this is not up to the stub resolver to DROP RESPONSE.
This is SERVERS choice to reply or not, and the resolver just CACHES.

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