US Robotics USR3520 User Manual page 43

3g m2m cellular gateway
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! Inbound Rules WAN -> LAN/LOCAL
Next is a list of the PORT FORWARDING rules by priority from high to low:
1. HTTPS (port determined in the >SYSTEM tab)
2. Port forwarding rules
3. DMZ
Priority example: If you enable HTTPS and DMZ, you can still use the HTTPS because those port
forwardings are processed before the DMZ redirect.
! Outbound Rules LAN -> WAN
Outbound rules in order of priority:
1. Port filter rules. (Only used when trusted IP is disabled)
2. Trusted IP rules (if enabled forces general LAN -> WAN rules to Reject/Drop)
3.
General LAN -> WAN rule (in case of trusted IP always Reject or Drop)
Connection Persistence
The Connection Persistence tab configures the watchdogs that monitor gateway operation and
performance.
The following actions can be configured to make sure the gateway works properly.
Revision: 1.00
Copyright 2015 U.S. Robotics Corporation
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