Industry Cellular Gateway
Enable SPI Scenario
As shown in the diagram, Gateway has the IP
address of 118.18.81.200 for WAN interface and
192.168.1.253 for LAN interface. It serves as a NAT
gateway. Users in Network-A initiate to access
cloud server through the gateway. Sometimes,
unknown users will simulate the packets but use
different source IP to masquerade. With the SPI
feature been enabled at the gateway, it will block
such packets from unknown users.
Discard Ping from WAN & Remote Administrator Hosts Scenario
“Discard Ping from WAN” makes any host on the
WAN side can`t ping this gateway reply any ICMP
packets. Enable the Discard Ping from WAN function
to prevent security leak when local users surf the
internet.
Remote administrator knows the gateway’s global IP,
and he can access the Gateway GUI via TCP port
8080.
Firewall Options Setting
Go to
Security > Firewall > Options
Tab.
The firewall options setting allows network administrator to modify the behavior of the firewall and to enable
Remote Router Access Control.
Enable Firewall Options
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