User manual

DSL-2750E User Manual
53
The following table describes the parameters of this page.
Field
Description
Enable Tick in the box to enable a firewall rule.
Protocol
Choose a protocol corresponding to the rule.
You may choose TCP, UDP or ICMP.
Action
The action when the rule is matched. Permit
means allowing the message to pass, Drop
means discarding messages without a reply,
and Reject means discarding messages with
a reply.
DSCP
Differentiated Services Code Point. It is used
to mark the IP QoS.
IP Address
Original IP address
PrefixLength/Mask
Original address mask