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This is a sub-page of my main TCP/IP ports page. I have separated Oracle out because it uses such a large number of ports.
|sql*net||66||66||* Oracle SQL*NET. I think this is legacy. I haven't seen it used.|
|SQL*Net 2||1521||1521||Probably the most common Oracle port. Not registered to Oracle, IANA registered for ncube-lm, nCube License Manager.|
|SQL*Net 1||1525||1525||* Registered as orasrv. No longer used?|
|listener port||1526||1526||1526 is also a popular Oracle listener port, but it is also not IANA registered. In the IANA list, it is pdap-np, Prospero Data Access Prot non-priv.|
|Oracle Remote Data Base||1571||1571||* rdb-dbs-disp|
Default and officially registered listening port for client connections to an Oracle Names server using TCP/IP or TCP/IP with SSL. Deprecated in 9i and above, you're supposed to use LDAP instead.
|Oracle Net8 Cman||1630||1630||* oraclenet8cman.
Default and officially registered listening port for client connections to Oracle Connection Manager
|Oracle Net8 CMan Admin||1830||1830||* net8-cman.
Default and officially registered listening port for administrative commands to Oracle Connection Manager
|oracle?||2005||* registered as "berknet" for 2005 TCP, oracle for 2005 UDP|
|Oracle GIOP||2481||2481||* giop|
|Oracle GIOP SSL||2482||2482||* giop-ssl|
|Oracle TTC||2483||2483||* ttc. Oracle may use this port to replace 1521 in future.|
|Oracle TTC SSL||2484||2484||* ttc-ssl.|
|OEM Agent||3872||3872||* oem-agent|
|Oracle RTC-PM port||3891||3891||* rtc-pm-port|
|Oracle dbControl Agent||3938||3938||* dbcontrol_agent|
Although incomplete, this is a pretty good article on the mess that is Oracle ports: Connecting with Oracle: Oracle Ports.
I also got some information from these copies of Oracle documentation Oracle9i Net Services Reference Guide Release 2 (9.2) and Oracle Database Net Services Reference Guide 10g Release 1 (10.1)
The Oracle Technology Network (OTN) should provide all the information you need, but I find it difficult to locate things there.
9iAS is a port nightmare. A typical install may have dozens of ports open. Many of the ports are not IANA-registered.
The document Oracle® Collaboration Suite Installation and Configuration Guide Release 2 Default Port Numbers and Port Ranges was the best reference I could find to the many many Oracle ports used. I have only listed the HTTP parts in the table below.
|Oracle HTTP Server SSL or Oracle9iAS Web Cache HTTP Listen SSL||4443||This port is IANA-registred for "Pharos".|
|Oracle HTTP Server SSL||4444||The HTTP server SSL will move to 4444 if the Web Cache is running on 4443. This port is IANA-registered for "KRB524".|
|Oracle HTTP Server non-SSL or Oracle9iAS Web Cache HTTP Listen non-SSL||7777||This port is IANA-registered for "cbt" by cs.ucl.ac.uk|
|Oracle HTTP Server non-SSL||7778||The HTTP server will move to 7778 if the Web Cache is running on 7777. This port is IANA-registered for "Interwise".|
For the HTTP web server bits, Oracle likes to use 7777, 7778 and 7779. For SSL ("secure" encrypted communications, you may know it as HTTPs) they like to use 4443, 4444, 4445, 4446. These ports are already IANA assigned for other things.
An important security point that you should be aware of is that by default Oracle will create a helpful Ports page on your 9iAS server, listing all the ports it has assigned for everything. The URL will be /portlist Locally on your system, there will also be a file $ORACLE_HOME/install/portlist.ini listing all the port assignments made.
I link to the IANA list on my main TCP/IP ports page.
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