How to Blacklist an IP Address with AVG Firewall

To block incoming and outgoing traffic related to a particular IP address or range of IP addresses, follow these steps:
1. Open the AVG Program.
2. On the Tools menu, click "Firewall settings."
3. In the left tree menu, expand your current profile, and then click "Defined networks."
4. In the "Networks" column, double-click the "IP addresses blacklist" row, and then click "Add network."
5. Type a name into the "Network name" field, and then click "Add IP."
6. Click "One IP address," and then fill in the following value (for a single IP address):

<Blocked IP address>

You can also block a range of IP addresses by clicking "IP address range," and then filling in the needed values.

7. Save all changes by clicking OK.