Maybe there’s a better reference, but this page in the WebSphere Commerce Infocenter has it:

(Shameless copy & paste for posterity and searchability.)

Finding the WebSphere Application Server administration port number

The WebSphere Application Server administration port number is used when accessing the WebSphere Application Server administration console.

Procedure

  1. Open WC_profiledir/logs/AboutThisProfile.txt

  2. Look for lines similar to the following:

pre codeblock Administrative console port: 9102 Administrative console secure port: 9104

In the preceding example, 9102 is the port for http protocol, and 9104 is the port for https protocol