Re: host name support in pg_hba.conf - Mailing list pgsql-hackers

Peter Eisentraut  wrote:
> On mån, 2010-08-09 at 13:56 -0500, Kevin Grittner wrote:
>> Peter Eisentraut  wrote:
>>> is reverse looked up, which results in a host name.
>>
>> Some IP addresses have several host names, including in reverse
>> lookup; how is that handled?
> 
> This is not possible,
http://en.wikipedia.org/wiki/Reverse_DNS_lookup#Multiple_pointer_records
> or at least the C library APIs don't expose it.
That may explain the prevalence of bugs in code dealing with it.
-Kevin