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The XG Series hardware appliances will reach end-of-life (EOL) on March 31, 2025. Click here to see the XG to XGS migration documentation.

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https://docs.sophos.com/nsg/sophos-firewall/20.0/Help/en-us/webhelp/onlinehelp/index.html?contextId=intrusion-prevention-DOS-bypass-rule

Create a DoS bypass rule

  1. Go to Intrusion prevention > DoS & spoof protection.
  2. Scroll to DoS bypass rule and click Add.
  3. Select the IP version.
  4. Specify the source and destination IP addresses.
  5. Select a protocol.
  6. Specify the source and destination ports. Wildcards are supported. To specify any IP address or port, type *.
  7. Click Save.