APPENDICES SECTION APPENDIX D456 M86 S ECURITY USER G UIDEMobile Server SectionThe Mobile Server Section of this user guide contains infor-mation on how to set up and configure the Web Filter’s hard-ware and software to be used with the Mobile Client.Initial SetupThe basic requirements for initial network setup are asfollows:• Port 81 must be open on the network for block pagerequests• Port 443 must be open on the network for the MobileClient to communicate with the Web Filter.NOTE: The Web Filter can be set up on the WAN network’s DMZfor extra security purposes.