Net Override (not really an NWNX plugin) (version 1.0)

[cely]

The gamespy server's DNS record changed. It used to be 207.38.11.174. You can update netoverride.c and recompile to get your server back into the gamespy listings. Here's a diff showing the change.

[Vladiat0r]

[Fireboar]

We've been using this for a couple of weeks now, and while it's worked great at stopping people causing chaos accidentally with a double-LAN login, we have had a small number of login rejected problems.

[PlasmaJohn]

The number following the v is the high byte of what the client thinks its client port is. Therefore the client port needs to be set to 5120 or higher.

But John, 33606 is 0x8346 (high byte is 0x83), shouldn't that have been v131 instead of v19? Nope, the code is validating what the client is sending and that value was probably set to something between 4864 and 5119 even though the user's router corrected the issue.

[Skywing]

FYI,

I went ahead and wrote a comprehensive fix for this problem which could be easily backported to NWN1. The fix rewrites incoming packets where the client sets its data port such that the client's claimed data port matches its real external data port.

This resolves the underlying issue instead of working around it. No client side configuration changes are required and it is unnecessary to block players using the default configuration who share a public IP.

The fix, which is relatively simple, can be found here. All that is necessary is to patch up the data port number specified in the BNLM, BNXI, BNES, and BNCS connection authorization protocol messagse.

[Ravine]

[ShaDoOoW]

[kucik]

I'm using module based on this one for a bit different purpose. To authorize players before they can see servervault of requested account. It works fine and I can send sources if anyone interested.

But do you somebody know about good documentation of nwn client - server packets? I found one few years ago, but I cannot find it now.

Thanks for any help.
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[leo_x]

Just a heads up... If you're using this it hard codes the old master server address. So you have to change the line in netoverride.c from

[Balanor]

Does anyone know if the fix for the double lan login has been ported to a plugin for Windows? Or is there another solution available other than this one for a server-side fix to the problem of two players logging into the server using the same IP and port number?