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Re: weird network issue

From: kevin kempter <kevin(at)kevinkempterllc(dot)com>
To: Jonathan Nalley <jnalley(at)fgp(dot)com>
Cc: "'pgsql-admin(at)postgresql(dot)org'" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: weird network issue
Date: 2008-03-28 16:56:19
Message-ID: CE2ED85C-3B18-4F0E-A66F-9E174E1D86E9@kevinkempterllc.com (view raw or flat)
Thread:
Lists: pgsql-admin
Not sure. I'm not so well versed in the firewall/networking areas. I  
can however do an scp pull from both machines :

scp a file from 192.168.111.13 while logged onto 192.168.111.11
and
scp a file from 192.168.111.11 while logged onto 192.168.111.13


Can you point me where to look for firewall/iptables/SE issues?


Thanks in advance





On Mar 28, 2008, at 10:45 AM, Jonathan Nalley wrote:

> are you running any kind of firewall/iptables/SELinux  where the  
> settings are perhaps not the same on the two machines?
>
>
> From: pgsql-admin-owner(at)postgresql(dot)org [mailto:pgsql-admin-owner(at)postgresql(dot)org 
> ] On Behalf Of kevin kempter
> Sent: Friday, March 28, 2008 12:31
> To: pgsql-admin(at)postgresql(dot)org
> Subject: [ADMIN] weird network issue
>
> Hi LIst;
>
> I have 2 Linux servers:
> 192.168.111.11
> 192.168.111.13
>
> Both are running postgres v 8.2.6
>
> I can ping the .11 box from .13 and vice versa
> I can connect remotely from the .11 box to the .13 box but I cannot  
> connect to the .11 box from the .13 box.
>
> I can do this:
>
> on the 192.168.111.11 box:
>
> -bash-3.1$   psql -h 192.168.111.13
> Welcome to psql 8.2.6, the PostgreSQL interactive terminal.
>
> Type:  \copyright for distribution terms
>       \h for help with SQL commands
>       \? for help with psql commands
>       \g or terminate with semicolon to execute query
>       \q to quit
>
> postgres=#
>
> However if I do this it fails:
>
> on the 192.168.111.13 box:
>
> -bash-3.1$   psql -h 192.168.111.11 postgres
> psql: could not connect to server: No route to host
>        Is the server running on host "192.168.111.11" and accepting
>        TCP/IP connections on port 5432?
>
>
>
> Both boxes have the same copy of the postgresql.conf file and the  
> pg_hba.conf file.
>
> Here's the listen address setting (on the 192.168.111.11 box) from  
> the postgresql.conf file:
> listen_addresses = '*'
>
>
> I also checked (after a restart) that the listen address and port  
> was in fact as I thought
> on 192.168.111.11 :
>
>
> Welcome to psql 8.2.6, the PostgreSQL interactive terminal.
>
> Type:  \copyright for distribution terms
>       \h for help with SQL commands
>       \? for help with psql commands
>       \g or terminate with semicolon to execute query
>       \q to quit
>
> postgres=# show listen_addresses;
> listen_addresses
> ------------------
> *
> (1 row)
>
> postgres=# show port
> ;
> port
> ------
> 5432
> (1 row)
>
> postgres=#
>
>
> Here's the current pg_hba.conf file on 192.168.111.11 :
>
>
>
> # TYPE  DATABASE    USER        CIDR-ADDRESS          METHOD
>
> # "local" is for Unix domain socket connections only
> local   all         all                               ident sameuser
> # IPv4 local connections:
> host    all         all         127.0.0.1/32          ident sameuser
> # IPv6 local connections:
> host    all         all         ::1/128               ident sameuser
>
> #DRW.  This should be tighted up once the db instances are figured out
> host    all         all         192.168.111.0/24              trust
>
>
>
> I'm stumped..
>
> Anyone have any thoughts ?
>
> Thanks in advance.
>
>




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