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firewall block port 80 but http allowed, only one rule

Have one firewall rule enabled. Block all outbound but what is needed, DNS, NTP, HTTP, HTTPS, ETC.

Getting blocking trying to update but failing. Firewall reports Invalid traffic from internal ip (random port) to external port 80.

Why is it blocking something going to port 80, is it filtering it because its leaving on a nonstandard port?

 

Is there a better way to allow?



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