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Error Code: 521
Hi!I'm having a problem accessing some websites and I keep on getting error code 521 when trying to browse to those sites. Does anyone know what that error code means?
• AT&T Internet Email & Security
At&t unite pro - Strict NAT type.
Hello, I have the At&t unite pro and after setting up Upnp and even trying portforwading and dmz, I'm getting a Strict Nat type from the xbox one and other consoles. This causes lots of connectivity problems when playing online with friends. How do I resolve this so that I have an OPEN Nat type?
• Data & Messaging Features, Internet Tethering