The reason for this is because the gateway exists on 192.168.1.254, and the default network for the clients is also in the same /24 address space, and in some cases it gets confused if it needs to forward a port within the same /24 as the gateway itself. Whatever you do, don’t share your router’s info with anyone else to prevent a breach of your system.ĭid you ever try port forwarding on your AT&T router? Why did you need this feature? Tell us how you set it up in the comment section below.There are some known issues with port forwarding on ports that AT&T themselves also may use for remote management such as port 443 and 22. You will be able to use your smartphone to supervise your home devices through the modem’s unique IP address. This is especially useful if you own web or game hosting servers, data-sharing hard disks, or security cameras. Set up Port Forwarding and Check Your Devices from WhereverĪT&T routers can be set up to allow port forwarding, allowing you to access your home devices from a remote location. Select “Submit.” Repeat the process for every port you want to access.Enter your Device Access Code when prompted.Open the drop-down box where it says “Application Type,” and select the option you need for your application.Leave the field blank unless told otherwise by the application. Enter the “Map to Host Port,” which will use the same port you have specified in the previous step by default.Use the default “Protocol Timeout” settings in the same entry field.Enter the Range or Port you want to open in the “Port/Range From/To” entry fields.Find where it says “Add a new user-defined application” in the list of available applications.Navigate to “Settings,” then “Firewall,” and select “Applications, Pinholes, and DMZ.” Enable the AT&T Port Forwarding tool if the warning pops-up.You can add specific new applications at any time by completing the following steps: Some of the applications you may want to add won’t be listed by default. If you get confused during the process, you can always contact support and get more instructions there. They will show up in the “Hosted Applications” list. Repeat the process until you have allowed port access you want.In the “Access Code” section, enter your device’s access code found on your gateway.Select the application you want to host from the list and click “Add.”.“Allow individual application(s)” will activate port forwarding, while “Maximum protection – Disallow unsolicited inbound traffic” will disable port forwarding. Find the “Edit firewall settings for this computer” section and select one of the two options there.Check all of the cables that connect your devices with the router. If the device you want to open is connected to the gateway but doesn’t show in the list, make sure that the device is connected to the gateway.Į. Enter the IP address of the device you want to open in Firewall.ĭ. If you can’t find your device, complete the following steps:Ĭ. Choose the device you want to leave open to the Firewall.Select “Settings,” then click “Firewall,” and then “Applications, Pinholes, and DMZ.” If you are prompted with a warning message, you have to go to the AT&T Port Forwarding tool to enable port forwarding. Go to your gateway settings by typing 192.168.1.254 into your browser’s search bar.
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