Advanced > filters – D-Link DI-524UP User Manual
Page 34
30
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