topic GRE PAYLOAD INSPECTION in Network Security https://community.cisco.com/t5/network-security/gre-payload-inspection/m-p/1386903#M67780 <P>Dear Team,</P><P></P><P>Please let us know whether pre-defined signatures will be able to inspect GRE payload in Cisco IPS? If not, Is it possible to create custom signatures to inspect GRE payload?</P><P></P><P>Regards,</P><P></P><P>Arun.L</P> Sun, 10 Mar 2019 11:56:11 GMT arun_laksh 2019-03-10T11:56:11Z GRE PAYLOAD INSPECTION https://community.cisco.com/t5/network-security/gre-payload-inspection/m-p/1386903#M67780 <P>Dear Team,</P><P></P><P>Please let us know whether pre-defined signatures will be able to inspect GRE payload in Cisco IPS? If not, Is it possible to create custom signatures to inspect GRE payload?</P><P></P><P>Regards,</P><P></P><P>Arun.L</P> Sun, 10 Mar 2019 11:56:11 GMT https://community.cisco.com/t5/network-security/gre-payload-inspection/m-p/1386903#M67780 arun_laksh 2019-03-10T11:56:11Z Re: GRE PAYLOAD INSPECTION https://community.cisco.com/t5/network-security/gre-payload-inspection/m-p/1386904#M67781 <HTML><HEAD></HEAD><BODY><P>If its plain GRE tunnel, there is a possibility, but if you are using IPSEC over GRE then no.</P><P></P><P>You can lookup for the signatures in this link. Sometime the signatures are there but not enabled. You need to enable manually.</P><P></P><P><A class="jive-link-external-small" href="http://tools.cisco.com/security/center/search.x?search=Signature">http://tools.cisco.com/security/center/search.x?search=Signature</A></P><P></P><P>Hoe this helps.</P><P></P><P>~dc~</P></BODY></HTML> Wed, 24 Mar 2010 15:30:02 GMT https://community.cisco.com/t5/network-security/gre-payload-inspection/m-p/1386904#M67781 dhananjoy chowdhury 2010-03-24T15:30:02Z