RichBaldry Is Sophos aware of and working on this?
https://claroty.com/2022/04/14/blog-research-blinding-snort-breaking-the-modbus-ot-preprocessor/
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-dos-9D3hJLuj
Well I tried to reply to this topic, but my reply was actually being moderated and labeled as 'spam'.
At any rate, let's see if this works - IPS rules has two listings for it. Astaro IPS Rules
UTM - 9.713-19 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz 16GB Memory | 500GB SATA HDD | GB Ethernet x5