https://community.cisco.com/t5/network-security/ftd2110-6-4-0-11high-cpu-due-to-qualys-scan-from-internet/m-p/4390649#M1080189 <P>I have a client that runs a Qualys scan on their public IPs once a month.&nbsp; This scan causes the CPU load on all the cores on the FTD to spike to 100% causing all network traffic through the firewall to stop until the scan is complete.&nbsp; I am assuming the issue is with IPS but I have not been able to verify this yet as I have just taken over this case.&nbsp; I am wondering if anyone has had similar issues and what you did to resolve them?</P> Wed, 21 Apr 2021 10:08:16 GMT Marius Gunnerud 2021-04-21T10:08:16Z https://community.cisco.com/t5/network-security/ftd2110-6-4-0-11high-cpu-due-to-qualys-scan-from-internet/m-p/4390649#M1080189 <P>I have a client that runs a Qualys scan on their public IPs once a month.&nbsp; This scan causes the CPU load on all the cores on the FTD to spike to 100% causing all network traffic through the firewall to stop until the scan is complete.&nbsp; I am assuming the issue is with IPS but I have not been able to verify this yet as I have just taken over this case.&nbsp; I am wondering if anyone has had similar issues and what you did to resolve them?</P> Wed, 21 Apr 2021 10:08:16 GMT https://community.cisco.com/t5/network-security/ftd2110-6-4-0-11high-cpu-due-to-qualys-scan-from-internet/m-p/4390649#M1080189 Marius Gunnerud 2021-04-21T10:08:16Z https://community.cisco.com/t5/network-security/ftd2110-6-4-0-11high-cpu-due-to-qualys-scan-from-internet/m-p/4390782#M1080193 <P>I've added the Qualys public scan IPs to a fastpath rule, so will see how this goes during the next scan.</P> Wed, 21 Apr 2021 13:41:34 GMT https://community.cisco.com/t5/network-security/ftd2110-6-4-0-11high-cpu-due-to-qualys-scan-from-internet/m-p/4390782#M1080193 Marius Gunnerud 2021-04-21T13:41:34Z