Advanced > filters – D-Link DI-524UP User Manual

Page 34

Public Type

This entry will trigger the public port on the WAN side of the

connection for the specified application. The choices available

to the user are TCP, UDP or Both.

Advanced > Filters

Packet filtering is a basic security measure that should be used on any network that is

exposed to a security risk. A packet filter system examines data packets and scrutinizes

them in order to control network access. Filtering rules determine whether packets are

passed through the Router from either side of the gateway. The rules are created and

controlled by the network administrator and can be precisely defined. These rules are

used to block access to the LAN from outside the network and/or to deny access to the

WAN from within the network. The Router uses filtering rules to examine data packet

headers for specific information. Packets passing through the Router that do not meet