How can I block networks that attack my server repeatedly?

Netblock Blocking

Permanently block IPs by network class. Permanently block classes of IP address where individual IP addresses within the same class LF_NETBLOCK_CLASS have already been blocked more than LF_NETBLOCK_COUNT times in the last LF_NETBLOCK_INTERVAL seconds. This can help blocking DDOS attacks launched from within the same network class.

  1. Navigate to Juggernaut Firewall -> Settings -> Login Failure Daemon -> Netblock Settings.
  2. Check the Netblock blocking checkbox and set the netblock count.
  3. Click the Update button to save your settings.
  4. Click the Restart button to restart the firewall and login failure daemon.

  • netblock
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