Add:

>
> 	o Allow pg_hba.conf to specify host names along with IP addresses
>
> 	  Host name lookup could occur when the postmaster reads the
> 	  pg_hba.conf file, or when the backend starts.  Another
> 	  solution would be to reverse lookup the connection IP and
> 	  check that hostname against the host names in pg_hba.conf.
> 	  We could also then check that the host name maps to the IP
> 	  address.