Re: host name support in pg_hba.conf

Stephen Frost <sfrost@snowman.net>

From: Stephen Frost <sfrost@snowman.net>
To: Peter Eisentraut <peter_e@gmx.net>
Cc: Kevin Grittner <Kevin.Grittner@wicourts.gov>, pgsql-hackers@postgresql.org
Date: 2010-08-10T15:23:50Z
Lists: pgsql-hackers
* Peter Eisentraut (peter_e@gmx.net) wrote:
> On mån, 2010-08-09 at 13:56 -0500, Kevin Grittner wrote:
> > Some IP addresses have several host names, including in reverse
> > lookup; how is that handled?
> 
> This is not possible, or at least the C library APIs don't expose it.
> Compare the getnameinfo() and getaddrinfo() man pages, for example.

Don't know how it happens at a technical level, but I've definitely seen
it happen before..  Particularly with Windows domains where they don't
have "clean-up reverse DNS" enabled.  Manifests itself by having
different host names show up on successive requests...  Evil in any
case.

	Stephen