Re: Rookie Error?
- From: Jared Still <jkstill@xxxxxxxxx>
- To: Frits Hoogland <frits.hoogland@xxxxxxxxxxxxx>
- Date: Sun, 28 Nov 2004 09:41:58 -0800
Thanks Frits, I hadn't thought to try nmap.
nmap indeed does not discover the listener. The only 2
ports is does find are 22 and 111. It appears that a firewall
is preventing it, but I just can't determine how.
iptables is not running.
Jared
On Sun, 28 Nov 2004 14:52:54 +0100, Frits Hoogland
<frits.hoogland@xxxxxxxxxxxxx> wrote:
> try the nmap utility from both sides. ping isn't relieable, because icmp
> uses udp on a lower layer. sqlnet/oracle net uses tcp.
>
> frits
>
>
>
> -----Original Message-----
> From: oracle-l-bounce@xxxxxxxxxxxxx
> To: Jared Still
> Cc: Oracle-L Freelists
> Sent: 28-11-2004 10:54
> Subject: Re: Rookie Error?
>
> Ping should verify your firewall is not a problem.
>
> If you can ping then make sure you are parsing the correct
> tnsnames.ora file with the alias you expect. Also, check the other
> .ora files for any wierd settings.
>
> I create dummy aliases with odd names to verify which tnsnames.ora is
> actually being used. I change an alias on-the-fly just to make sure it
> works & doesn't work as expected, e.g. dupe an entry as foo to connect
> locally successfully, then change the entry to foo2 and try foo to
> make sure it fails. Then, try your remote connection test.
>
> Good luck.
>
> Regards,
>
> Mike
>
> On Sun, 28 Nov 2004 00:27:25 -0800, Jared Still <jkstill@xxxxxxxxx>
> wrote:
> > already tried ping with IP, hostname and FQDN.
> >
> > Thanks,
> >
> > Jared
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--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
//www.freelists.org/webpage/oracle-l
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