https://community.cisco.com/t5/network-security/ids-signature-to-count-syn-requests/m-p/1291212#M68213 <P>I would recommend you the below custom signature guide</P><P>http://www.cisco.com/web/about/security/intelligence/ips_custom_sigs.html</P> Mon, 10 Mar 2014 08:10:14 GMT Saurav Lodh 2014-03-10T08:10:14Z https://community.cisco.com/t5/network-security/ids-signature-to-count-syn-requests/m-p/1291211#M68212 <P>I would like to make a simple custom signature that will count all of the syn requests from the internet towards an internal class C network on a particular destination port.</P><P></P><P>Which engine should we use and how should the signature be configured?</P> Sun, 10 Mar 2019 11:50:23 GMT https://community.cisco.com/t5/network-security/ids-signature-to-count-syn-requests/m-p/1291211#M68212 darin.marais 2019-03-10T11:50:23Z https://community.cisco.com/t5/network-security/ids-signature-to-count-syn-requests/m-p/1291212#M68213 <P>I would recommend you the below custom signature guide</P><P>http://www.cisco.com/web/about/security/intelligence/ips_custom_sigs.html</P> Mon, 10 Mar 2014 08:10:14 GMT https://community.cisco.com/t5/network-security/ids-signature-to-count-syn-requests/m-p/1291212#M68213 Saurav Lodh 2014-03-10T08:10:14Z