Re: How do I prevent binding to TCP/IP port outside of

Karl Wright wrote:
> I have a situation where I need postgres to LISTEN and allow BINDs to 
> its TCP/IP port (5432) only to connections that originate from 
> localhost.  I need it to not accept *socket* connections if requests 
> come in from off-box.  If I try to set up pg_hba.conf such that it 
> rejects off-box requests, it seems to do this after it permits the 
> socket connection, and that won't do for our security geeks here.

try listen_addresses = 'localhost' in your postgresql.conf

> 
> For example, here's the difference:
> 
> kwright@merrimack:~$ curl http://duck37:5432
> curl: (52) Empty reply from server
> kwright@merrimack:~$ curl http://duck37:5433
> curl: (7) couldn't connect to host
> kwright@merrimack:~$
> 
> Note that the outside world seems to be able to connect to 5432 just 
> fine, although any *database* connections get (properly) rejected.
> 
> I cannot turn off TCP/IP entirely because I have a Java application that 
> uses JDBC.
> 
> Can somebody tell me whether this is an innate capability of postgres, 
> or whether I will need to modify the base code (and if so, WHERE I would 
> modify it?)
> 
> Thanks,
> Karl Wright
> 
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 1: if posting/reading through Usenet, please send an appropriate
>       subscribe-nomail command to majordomo@postgresql.org so that your
>       message can get through to the mailing list cleanly
> 


-- 

   - Rich Doughty