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CAX80 v5.1.1.8 Firewall Blocking HTTPS API Traffic - DMZ Confirmed
Hi all, I'm experiencing a firewall bug on my CAX80 (firmware v5.1.1.8) that's blocking HTTPS API calls to legitimate services (specifically api.anthropic.com for Claude AI/Claude Code). Symp...
What region are you located?
Who is your ISP?
Is SIP ALG enabled on the modem?
Something to contact NG about.
Something to contact NG support about.
Look up what ports are used by your API traffic and input that in to Port Forwarding or Port Triggering configuration. If you try this, be sure to disable uPnP before hand.
DMZ test: Placed computer in Default DMZ Server - API calls work perfectly
Did you try just forwarding port 443 to the PC?
You might also need to forward 54545 (used for Oauth callback during login).
Also, do you have upnp enabled in the CAX80?
StephenB Thanks for the suggestion! I can try forwarding 443 and 54545 to my Mac.
Quick question: Should I use Port Forwarding or Port Triggering for this? And do I need both inbound/outbound rules or just inbound?
Quick question: Should I use Port Forwarding or Port Triggering for this?
I suggest port forwarding
And do I need both inbound/outbound rules or just inbound?
Just inbound. Outbound connections aren't filtered.
StephenB port forwarding with UPnP disabled seems to be working so far! Thanks so much for your quick help :)