Visitor
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2 Messages
Port Forwarding Issues with Arris SB8200 and Nest Wifi
Hi,
I currently have an Arris SB8200 for a modem and Google Nest Wifi for router. I used to have port forwarding setup earlier last year (around March - June of 2021) with the same equipment, but I'm no longer able to. I'm wondering if there's something outside of my control preventing the port forwarding from working
I have the server running on my local at the desired port. My windows firewall settings have rules set up to allow outbound and inbound UDP/TCP traffic at that port. On my router, I have set up a DHCP IP Reservation with my current IP address found in ipconfig. I have set up port forwarding on my router to allow UCP/TCP inbound and outbound traffic at the desired port with the same IP Address configured in DHCP IP Reservation. Under WAN settings in my Google Home app, my WAN IP is my public IP Address.
I feel like that should be enough, but when I use telnet or a web based port forwarding checker, it keeps saying the port is closed.
Edit: I also completely disabled Windows Firewall and tried the port and it still didn't work
user_bb801b
Contributor
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167 Messages
3 years ago
What happens when u try a different random high port?
Just my .2 cents
Thanks and good luck.
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XfinityDena
Official Employee
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2.7K Messages
3 years ago
Thank you for reaching out today! I am sorry to hear about your issues with port forwarding. Have you used the link: https://comca.st/3AfT5cP to assist you with setting up the port forwarding?
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BruceW
Gold Problem Solver
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26.1K Messages
3 years ago
Please see https://www.xfinity.com/support/articles/list-of-blocked-ports. If port you are trying to use is not on that list, it should work.
Since you are not using equipment rented from Comcast, setting up and testing port forwarding is all up to you. The short link to https://www.xfinity.com/support/articles/xfi-port-forwarding that the Employee posted is only for Comcast rental equipment and won't work with customer-owned devices.
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SophieV
Visitor
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2 Messages
3 years ago
Hi, thanks for the replies! Sorry it took a bit to respond.
Trying a different port did not help.
The ports I was attempting to use are not on that list (In the 2000s). This used to work perfectly fine maybe 6 months ago with the same ports. We moved apartments in June, but it still worked after the move.
I'm not entirely sure what else there is to do.
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