To change Iguana's default web server port via the web interface:
Open Iguana, and click the Advanced tab.
Click the Web Server Settings link near the bottom of the page.
Clicking the Web Server Settings Link
In the Web Server Settings table, edit the Web Server Port to the one that you want to use. In the example below, port 8085 was selected.
Editing the Web Server Port Field
Click Apply Changes to confirm your changes. Iguana displays a message that confirms your settings have changed and indicates that you must restart the web server for them to take effect.
Click the Restart Web Server button for your changes to take effect immediately.