Re: Brokenness in parsing of pg_hba.conf

Bruce Momjian wrote:

>Greg Stark wrote:
>
>
>> a.b.c
>>
>> When a three-part address is specified, the last part shall be interpreted
>> as a 16-bit quantity and placed in the rightmost two bytes of the network
>> address. This makes the three-part address format convenient for specifying
>> Class B network addresses as "128.net.host" .
>>
>>
>
>I can understand the a.b case, but the a.b.c case is just weird. What
>logic is there that it is a.0.b.c? Nothing I can think of except
>convention. I agree with Vixie that this syntax is strange and
>shouldn't be encouraged.
>
>

The mentioning of Class B network addresses proves that this is a
convention from ancient times, when a couple of network admins where
using up all A and B networks and didn't want to write all those ".0"
indicating their waste of address space...

Its usability nowadays is very limited, and should be avoided for
clarity reasons.

Regards,
Andreas