Check Point blocking ADN traffic after upgrade to R70
Question: After upgrading the Check Point FW to R70 the ADN traffic is now being blocked
Answer: Depending on how the FW policy has been defined, Check Point checks protocols on an application level. For example when you define a protocol like HTTP, you could do this based on the tcp port, or based on a higher layer (which is the default for several protocols).
With MACH5, tcp port 80 does not look like HTTP anymore. Result: Check Point will block this traffic. If this is the case at your customer, they have to allow this communication based on tcp ports
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