Ubee Interactive 3.7 GatewayDDW3612 Subscriber User Guide • July, 2010 273.7.7 Gateway - OptionsThe Options selection allows you to define what networking protocols are enabled ordisabled on the device.1. Access the web interface. Refer to page 7, if needed.2. Click the Gateway link from the top of the screen.3. Click Options from the left side of the screen. The Options fields are explainedfollowing this screen example.Label DescriptionWAN Blocking Select Enable to block connection requests initialized fromInternet users.Ipsec PassThrough If Internet users initialize an IPSec VPN request to a hostlocated behind the router, NAT makes this attempt fail.Select Enable to force the router to redirect the IPSecrequest to the local host.PPTP PassThrough If Internet users initialize a PPTP VPN request to a hostlocated behind the router, NAT will make this attempt fail.Select Enable to force the router to redirect the PPTPrequest to the local host.Multicast Enable Multicast optimizes the bandwidth utilization comparedwith unicast especially video streaming applications.Select Enable to enable multicast.