02-22-2019 05:51 AM
We are migrating from some 200's running 7.1.x code to 220's running 8.0.x code. We had a rule that was working fine, allowing any traffic from a server to another server. We didn't define any apps or tcp ports. We have that rule in the new firewall, but it is now being blocked as "unknown-tcp".
We added a rule allowing any traffic between the servers over the port they use. It still is blocking it as unknown-tcp.
Why did this work in 7.1 but not in 8.0? I've gone through the release notes and there is nothing about application ID changes that would effect this. Is an application override the only way to get this to work?
02-25-2019 09:03 AM
We changed the target from an FQDN to an IP address and it is working. So it looks like another bug with FQDN. We're not going to celebrate yet as we will give it a few days to ensure it stays working, but it is looking good.
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