Re: Almost OT : ANyone got MS Windows VPN Server working behind their NAT router ?

["Dan" <dtoma@xxxxxxx>]

Hi,

You're lucky..:-)
Protocol 47 (GRE) is not passed by all routers..

Dan

----- Original Message -----
From: "Iain Goodhew" <I.C.B.Goodhew@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Wednesday, June 04, 2003 2:15 PM
Subject: RE: [ukha_d] Almost OT : ANyone got MS Windows VPN Server working
behind their NAT router ?


> Yes, I have done this but only with ms pptp protocol. As far as I
> understand it l2tp with ipsec won't work with nat. something to do
with
> change the packet addresses and the ipsec is no longer valid.
>
>
>
> I have a netgear router, and I only have to forward tcp 1723 to the
vpn
> server. This is used to setup the vpn link and do the authentication.
> Once setup, all traffic passes using ip protocol 50 (I think), but the
> netgear seems to pass this with needing a specific rule.
>
>
>
> Iain
>
>
>
> -----Original Message-----
> From: Gareth Cook [mailto:g@xxxxxxx]
> Sent: 04 June 2003 11:57
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Almost OT : ANyone got MS Windows VPN Server working
> behind their NAT router ?
>
>
>
> Says it all really - I want a VPN Connection to home so I can securely
> run
> HA stuff without passing credentials in the clear.
>
> Thing is , I'm not having much success. Never gets passed the
> authentication piece.
>
> Cheers !
>
> G.
>
> Gareth Cook
> BTPM North Region
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