How can I deny ASNs or networks assigned to a specific company using Juggernaut Firewall?

Juggernaut Security and Firewall supports using Autonomous System Numbers (ASN) if you would like to deny a set of subnets that were assigned to a specific company.

Lookup the ASN

  1. Navigate to Juggernaut Security and Firewall -> Tools -> Network Information-> ASN
  2. Enter in the IP address and press the Search button to lookup the ASN. The ASN will be listed in the first column.

Block the ASN

  1. Navigate to Juggernaut Security and Firewall -> Settings -> Country Settings
  2. In the Deny countries to all ports option enter the number prefixed with AS (Example: AS8075) then press the space bar.
  3. Click the update button to save your settings.
  4. Press the save the page and the restart button to restart the login failure daemon which will download all the networks assigned to that ASN and block them on the firewall.
  5. You can see the login failure daemon download the networks for that ASN under Logs -> LFD log.

  • ASN
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