After update to CU166, existing firewall rule started blocking all internet traffic

Security Firewall Rules
4

Here is the firewall rule:

firewall1
firewall1905×932 32.9 KB

And here is the network/host group:

firewall2
firewall2848×569 21.7 KB

I’m guessing the most likely source is the /26 network I have listed on there. TBH, these IPs I tracked down several years ago and may not belong to the porn sites they once did. So that’s part of my problem. But the rule isn’t needed anymore anyway due to other more effective methods. It was just a curiosity that this rule went from harmless on CU165 to blocking all internet traffic on CU166.