Help with SID 3:19187:7

"Moises Aaron Venegas Mora" <[email protected]>
Newsgroups gmane.comp.security.ids.snort.sigs
Message-ID <MN2PR18MB3623477AA3BFA0D765AE34AC90279@MN2PR18MB3623.namprd18.prod.outlook.com>
Hello team.
I was wondering if you could help us with a SID "PROTOCOL-DNS TMG Firewall Client long host entry exploit attempt (3:19187:7)" which is generated approx. 165k hits since we upgrade the Snort Rule to the 2021-05-20-001-vrt. Before we upgraded the Rules, we had around 33 hits. We were blocking from our DNS Server to our Master DNS Server, but now we are blocking from our DNS Server to different destinations some of them are AWS, ESET Server, Azure, Google Cloud, and they are affecting the production environment, we want to know if in the most resent rules they were some modifications that are impacting us.
Regards.

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