Modecom MC-421 User Manual page 80

WLAN Router
Check the option Enable Port Filtering to enable the port filtering.
Enter 80 and 80 in Port Range field.
From the Protocol drop-down list, select TCP setting.
Enter HTTP in Comment field.
Click Apply Changes.
Now the port filter that you created has been added and listed in the Current Filter Table.
Now the TCP port for both Outbound and Inbound packet has been denied.
Now you cannot visit any web site due to the TCP port 80 has been blocked by the Port Filtering rule that created.
Port filtering for UDP port 53
Please follow example below to deny the UDP port 53 for both Outbound and Inbound packet.
From the left-hand Firewall -> Port Filtering menu. The following page is displayed:
Check the option Enable Port Filtering to enable the port filtering.
Enter 53 and 53 in Port Range field.
From the Protocol drop-down list, select UDP setting.
Enter DNS Resolve in Comment field.
Click Apply Changes.
Now the port filter that you created has been added and listed in the Current Filter Table.
www.modecom.eu
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