1705Router Web Configuration Manual
1.5.3 Special Address Mapping
It is one of NAT. if you configure in NAT setting menu, it could make users in inner net
call public net; And configuration of port mapping could make users in public call some
host computer or service in inner net. But this special NAT port mapping is used to
make users in inner net call some host computer or service by public IP address of
router.
For example: 192.168.2.1 in LAN wants to call 192.168.2.2 in LAN by public IP
218.1.1.1, users should fill 218.1.1.1 in outside Address, fill 192.168.2.2 in inside
Address, and choose ALL protocol.
The configuration method of special address mapping is similar with port mapping.
Please refer to chapter 1.5.2.
1.5.4 Firewall
1705router is used to be a firewall by proper configuration.
The page layout shows the firewall function for every port. The firewall can screen two
directional data packet: IN(receive), OUT(send or transmit). You only need to edit the
corresponding filter list of port in order to make the firewall effective.
1. Edit the filter lists
Users could design the parameter of filter packet in filter list. If the router enable firewall
function, it will compare every entries of filter lists with source IP and destination IP of
data packet in order to judge receiving or transmitting the data packet.
Click the link of filter lists to enter configuration page layout.
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