ye olde 1521
- From: "Henry Poras" <hporas@xxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 4 Feb 2005 10:00:50 -0500
Just wondering if one of my strongly held untested assumptions is wrong. I
always thought that when you connected to Oracle via the listener in dedicated
server mode, you would come in via the listener port (i.e. 1521, 1526). The
listener would then validate, spawn off a shadow oracleSID process using some
arbitrary port, and the client would then be passed to this process with the
listener butting out at that point. The client would then be connected to the
database through that arbitrary port.
Last week a developer and myself checked this out. He sniffed the coming and
going of packets, and everything used only port 1521. I looked at netstat (I
think the parameters were asp (RedHat AS3 OS) but I'm not sure. That info is
at work but I'm not at the moment) and the only active Oracle ports were also
1521. Are other ports used? Is this dependent on load? I searched metalink and
found the question asked, but no answers were ever posted.
Thanks.
Henry
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