How to Unlock CISCO DPC2100R3

Hi... My Cisco DCP2100R3 cable modem just got a software update overnght, and the page to change the access level »192.168.100.1/_aslvl.asp is no longer available like it was under the old Sci Atl firmware.

Does anyone know if there is a new URL to get to this page? Software version is showing:

http://prntscr.com/3omy11