Advertisement
Security Setting > Packet Filters
The Packet Filter enables you to control what packets are allowed to pass through the router. There are two types of packet filter, Outbound Packet Filter
which applies to all outbound packets and Inbound Packet Filter which only applies to packets that are destined for a Virtual Server or DMZ host only.
To enable an Outbound Filter, please make sure to tick the Enable tick box on the top of the page. There are two type of filtering policies:
1.
Allow all data traffic to pass except those that match the specified rules.
2.
Deny all data traffic to pass except those that match the specified rules.
For each direction, you can specify up to 48 rules. For each rule you will need to define the following:
•
Source IP address
•
Source port
•
Destination IP address
•
Destination port
•
Protocol: TCP or UDP or both.
•
Use Schedule Rule#
For source or destination IP address, you can define a single IP address (192.168.1.1) or a range of IP
addresses (192.168.1.100-192.168.1.200). Empty fields imply all IP addresses.
For source or destination port, you can also define a single port (80) or a range of ports (1000-1999). Use the prefix "T" or "U" to specify either the TCP or UDP
protocol e.g. T80, U53, U2000-2999. No prefix indicates both
TCP and UDP are defined. An empty field implies all ports.
The Packet Filter also works with Scheduling Rules, and gives you more flexibility on Access control. For detailed instructions regarding scheduling rules,
please refer to the Advanced Setting > Scheduling section.
Click "Save" to save the settings or "Undo" to cancel.
Inbound Filter:
Advertisement
