AT&T A50 User Manual page 28

To enable MAC Filtering,
1. Select ON.
2. Press Add to add a line to enter device name and MAC address, then click OK.
When entering MAC addresses, use ":" as the separators (for example,
c2:b5:d7:27:fb:9b).
To add more, press Add to add another line.
3. When completed adding devices, press Save Changes.
NOTE: If MAC filtering is on and at least one device is listed, only the listed devices can access
your A50 Wi-Fi network. The MAC filtering has no effect on devices connected via USB
connection.
Firewall IPv4
‐
You can set up firewall rules to protect your network from virus and malicious activity on the
Internet.

Firewall Switch – To set up Port Blacklist or Port Forwarding, turn Firewall Switch ON. If
Firewall Switch is OFF, both Port Blacklist and Port Forwarding settings are not active.
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