Re: Ports used by Oracle

Correction. The LINUX box runs Oracle8i release 8.1.6.1 but the SOLARIS box

runs Oracle8i Enterprise release 8.1.7. Could this be the cause ?.

"Jason Bowsher" <jason.bowsher_at_remoteapps.com> wrote in message news:P_yF6.2074$9e7.7549_at_monolith.news.easynet.net...
> We are currently using an application which is told to connect to an
 Oracle
> database on port 1521 via a Oracles JDBC thin driver.
>
> I have noticed that when this application queries an Oracle 8.1.6 database
> on an x86 LINUX RH6.2 server a snoop shows that communication takes place
 at
> port 1521 on the Oracle server. As illustraded below:
>
> client -> database TCP D=1521 S=51940 Ack=3872836040 Seq=1737507242
 Len=745
> Win=24820
>
> database -> client TCP D=51940 S=1521 Ack=1737507987 Seq=3872836040 Len=43
> Win=32780
>
> client -> database TCP D=1521 S=51940 Ack=3872836083 Seq=1737507987 Len=22
> Win=24820
>
> database -> client TCP D=51940 S=1521 Ack=1737508009 Seq=3872836083
 Len=655
> Win=32780
>
>
>
> However when the same host and application query an Oracle 8.1.6 database
 on
> a SPARC Solaris8 server a snoop shows that communication takes place on
> various high numbered ports. As illustrated below;
>
>
>
> client -> database TCP D=54710 S=51938 Ack=2435930103 Seq=1701721649
 Len=746
> Win=24840
>
> database -> client TCP D=51938 S=54710 Ack=1701722395 Seq=2435930103
 Len=51
> Win=24840
>
> client -> database TCP D=54710 S=51938 Ack=2435930154 Seq=1701722395
 Len=22
> Win=24840
>
> database -> client TCP D=51938 S=54710 Ack=1701722417 Seq=2435930154
 Len=663
> Win=24840
>
>
>
> Can anyone tell me if there is some Oracle configuration parameter which
> would result in the server not using port 1521. I believe that the
> listeners on the oracle server are configured to use port 1521.
>
>
>
>
>
> Jason
>
>
>
Received on Wed Apr 25 2001 - 07:10:45 CDT