Step 1: Click to enable filtering.

Step 2: Select the filtering rule as "Do not access the network outside the effective rules in the list".

Step 3: Select "Add New Entry" and fill in your own MAC address that you want to surf the Internet. This rule selects Allow. The status is valid.

Step 4: Fill in the MAC addresses of the two stations you want to surf the Internet with the method of step 3.

After the setting is completed, click Save.

This means that only the MAC addresses of these two computers you set can access the computer through routing, and the rest can't, which is equivalent to the incoming phone firewall.

(MAC address query method: click "Start" and "Run" locally. Enter "cmd" and press Enter. Enter "ipconfig/all" and press Enter. 00-00-00-00-00-00 format is. )