RSA error "Broken pipe 32" or "unexplained error 255" when having a Cisco Meraki Firewall (ITNinja) (4379984)

RSA error "Broken pipe 32" or "unexplained error 255" when having a Cisco Meraki Firewall (ITNinja)

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Post originally posted in ITNinja by RandomITdude24.

There are reports from customer that Meraki changed some internal settings after some updates that would create RSAs to fail syncing and provide the following errors:

After some updates, Meraki added a feature called "Threat Protection". The network traffic must be allowed at the  "Intrusion detections and prevention" section.