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Oracle 8.1.7 on Redhat 7.1: how to listen on specific address ?

From: Gunther Hermann <ghermann_at_dclient103-30.hispeed.ch>
Date: 03 Jun 2001 01:40:50 +0200
Message-ID: <m3itie78n1.fsf@dclient103-30.hispeed.ch>

Hi

I just downloaded and installed Oracle 8.1.7 on Redhat 7.1. Things worked fine so far, I got the database up and running.

What I'd finally like to to is to bind all listening services to localhost addresses only.

Trying this, two questions/problems came up when calling netstat -l with output

 tcp        0      0 *:32771      *:*             LISTEN      
 tcp        0      0 *:32772      *:*             LISTEN      
 tcp        0      0 *:1521       *:*             LISTEN      
and lsof with output
 oracle      783   oracle    9u  IPv4       1525   TCP *:32771 (LISTEN)
 oracle      785   oracle    9u  IPv4       1530   TCP *:32772 (LISTEN)


(i) what exactly are the services running on ports 32771/32772 and how can
I configure them to listen on 127.0.0.1 only ?
(ii) why does the tns listener (port 1521 if I'm not wrong) listen on _all_
addresses although my 'listener.ora' looks like LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) ) (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC)) ) ) ) ??

Thanks a lot
Gunther Received on Sat Jun 02 2001 - 18:40:50 CDT

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