[cod] CoD and my struggle with NAT

Boy_One (COD System Admin) cod at kaleplek.net
Wed Jan 7 11:51:02 EST 2004

Yep i did but thats my problem, i use my server and firewall tougether. See
attached picture of my network. The thing is that my nat thinks its outside
an rotates me directly trough nat.


----- Original Message -----
From: "Steven Hartland" <steven at multiplay.co.uk>
To: <cod at icculus.org>
Sent: Wednesday, January 07, 2004 11:40
Subject: Re: [cod] CoD and my struggle with NAT

> Did you try this:
> <quote>
> Had a flash of inspiration this morning I think the following might just
> work.
> If we have this picture:
> NAT box: internal, external
> Server: internal
> Client: internal
> If we change this to:
> NAT box: internal, external
> Server: internal, fake (alias)
> Client: internal, fake (alias)
> And then force the client to connect to the server on the ip
> in the packet sent to the master will be the ip of the NAT ( and
> if port forwarding is setup correctly the auth packet will be forwarded
> to the client on and it will all just work.
> Adding the 1.1.1.X aliases to the internal machines wont affect
> as they have no routes to the outside world so all external connectivity
> will be done via the NAT'ed addresses.
> I cant test this here as I don't have NAT but Im pretty confident it will
> </quote>
>     Steve / K
> ----- Original Message -----
> From: <cod at kaleplek.net>
> To: <cod at icculus.org>
> Sent: Wednesday, January 07, 2004 12:30 PM
> Subject: [cod] CoD and my struggle with NAT
> > Hi all here am back again with more news.... Yes I'm still not stopped
> > debugging... ;-)
> >
> > A little update after asking Actvision for some help and all the good
> > ideas here (thanks for that) I went to a couple of friends of mine who
> > a lot more Linux/Network goeroes then I am and the have looked at it and
> > came with an answer that was a little bit shocking for me. The answer
> > now I no for sure I am screwed. ;-)
> >
> > The gave a little push in the following direction. Activision made a
> > mistake to not make the server NAT/Firewall/Multihome aware this is an
> > issue that was already on the internet in games like Diablo etc. where
> > they fixed it (I really don't know how).
> >
> > My friends said this method that activision used is a lot better then
> > Method of EA because in the actvision method the server owner doesn't
> > the cd-keys in and can't steal them (See a post of me a while back). But
> > this method also brings some problem (DUHHHHH). A fix would be that it
> > possible on the server to config it and say if you use a NAT/Firewall
> > a private address like 10.5.x.x/192.168.x.x etc. etc. to give you an
> > opportunity to give an other address in a config file (public address)
> > will use to auth by activision. This method is like a proxy so
> > should create a little proxy in there server for nat etc.
> >
> > We all came to the conclusion when the hype is gone the came will die
> > because the private range users who want to play it will not be able to
> > so.
> >
> > So is there a way I can connect to activision or talk to somebody who
> > build the linux binary version who can help me with this problem. Please
> > Please help my server is going up in the list and is full every day now,
> > and in this way also I have to stop it because I like to host if I can
> > a part of it. ;-)
> >
> > So please who can get me in contact with one of those guys or are they
> > this mailing group?????
> >
> > Regards
> > Quint
> > Boy_One
> >
> >
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