Hi,
I'm testing ZTNA behind a firewall (SG of course) with a one-arm deployment.
Which firewall ports should be opened? Only 443 seems to be not enough. "Any" is working, but no one likes "any"-rules.
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Why are you using a UTM? :) Wouldnt a Sophos Firewall a better match later with Sync-Sec.
But anyway. You only need Port 443 to the gateway.
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