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Xbox - How not to solve a NAT issue.

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撮影日:
2013-04-18 13:38:30 UTC

説明:
Holy crap, this is so not how you solve a NAT issue. Most crucially, since you do not get a NAT issue on an Xbox, unless you are security conscious and did what everyone should do, namely making the NAT in your router do its job like it is supposed to. Default settings suck. But let me go through points 1 to 9, and what's wrong with them:

1. Unless you're using Wi-Fi with bad reception or unplugged the LAN cable, this is probably what it is, if the internet works, but LIVE doesn't, don't sugar coat it and make it easier to find.
2. This is probably not going to help, at all. Worse, it will have inexperienced users delete all their settings, save games and whatnot else they have saved on their console. Nobody should do this, or at the very least not to solve a network problem. The internet connection works, remember?
3. This doesn't matter. At all. What's different between an integrated device and several connected via a cable? Again, the internet works.
4. That's how it's supposed to be. There should be a NAT in every home. Are you insane?
5. You should probably not contact your ISP unless you tried fixing it yourself, have someone do it for you and/or absolutely do not know what else to do. This only deteriorates the quality of ISP tech support to the point where they don't know what's wrong, if you call them with an actual problem with your internet connection.
6. Does that really matter? I don't know about you, but surely there is no need for all of them to use the same port for incoming connections. Most P2P software doesn't have that problem.
7. No. No. No... Don't do that! I have not seen a single router, gateway or firewall with UPnP support that allows blocking certain requests or only allow them from certain devices (MAC or IP filter).
8. Don't do that either. By don't do that, I mean, don't do the thing described in that section. It says "enable" in the title, but the help text actually talks about disabling the perimeter network functionality.
9. This is what you should do, but not for any other thing listed, except UDP 3074. Don't open the other ports in your NAT. This is bad (and probably useless).
10. Not pictured here, but it suggests restoring your router to factory settings. You probably shouldn't do that either. But if there is a firmware upgrade available, you should probably install it. That can only make things better, unless your device vendor is evil. Let's hope they aren't.

As far as the order goes this should probably rather be 1, 3, 4, 9, 7, 8, 10, 2, 5.

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Removed sign in related data, added markings and text in red

著作権:
Dorian Muthig

閲覧回数:
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DSL info 2013-04-28 9:00PM CEST (highlighted) by Dorian Muthig Xbox - How not to solve a NAT issue. by Dorian Muthig dnet graph by Dorian Muthig

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