User`s manual
79
WLAN Router
Port Filtering
Entries in Current Filter Table are used to restrict certain ports and types of data packets from your local network to
Internet through the Gateway. Use of such lters can be helpful in securing or restricting your local network.
From the left-hand Firewall -> Port Filtering menu. The following page is displayed:
Option
Description
Enable Port Filtering
Enable/Disable the WAN packet lter.
Default setting is Disable.
Port Range
Enter the port range to be ltered for both Outbound and Inbound packet
Protocol
Select the Protocol to be ltered for both Outbound and Inbound packet
Both: To lter both TCP and UDP protocol
TCP: To lter only TCP protocol
UDP: lter only UDP protocol
Comment
Fill in the note for manager what the purpose of certain port ltering rule
Current Filter Table
The Port Filters that was created is listed here
Note
You must ensure that the single port or range specied does not overlap with a port or range for an existing
common or custom application. Check the common port ranges listed in Conguring NAT Security.
Port ltering for TCP port 80
Please follow example below to deny the TCP port 80 for both Outbound and Inbound packet.
From the left-hand Firewall -> Port Filtering menu. The following page is displayed: