Navigate to Firewall → pfBlockerNG → General.

In General Settings:

• pfBlockerNG: Checked. This enables pfBlockerNG.
• Keep Settings: Checked. pfBlockerNG can remember any settings even against upgrades of the software.
• CRON Settings: Every Hour 00 0 0.
• Download Failure Threshold: No Limit.

In Log Settings:

• Keep all settings at default: 20000.

Scroll to the bottom of the page and click the Save button.

General Tab should look like this:

For alerts, the default DNS server for CNAME lookups is set to Google 8.8.8.8.

• To Change this to an alternative DNS Server, follow the following instructions.

Navigate to Firewall → pfBlockerNG → Reports → Alerts.

In Alerts:

• Expand the Alert Settings option.
• DNS server for the DNSBL Whitelist CNAME lookup: Quad9 9.9.9.9.

Return to Install pfBlockerNG or continue to Setup IP Blocking.