Link: CentreWare IS Help
WorkCentre 6015 Help
Information Index
HTTP Help

Port Number - Enter the TCP/IP port number used by CentreWare IS. This number can be 80, or any number between 8000 and 9999. This setting becomes active after you save the changes, and then restart the printer from CentreWare IS or by manually switching it off and then on again.

Maximum Number of Sessions - This field displays the maximum number of sessions accepted simultaneously by CentreWare IS.

Connection Time-Out - Enter the amount of time to wait for a response from the web browser. The value entered must be between 1 and 255 seconds.

When you are satisfied with your selections, click Save Changes to keep the settings or Discard Changes to keep the previous settings.

Link: Xerox website