Date: 19 Dec 1998 02:58:37 -0000 From: "Dru Nelson" <dnelson@redwoodsoft.com> To: freebsd-hackers@FreeBSD.ORG Subject: Re: Tunneling GRE through NAT? Message-ID: <19981219025837.1592.qmail@findmail.com> In-Reply-To: <Pine.BSF.3.96.981216094321.2841A-100000@silver.teardrop.org>
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Hi, I wrote a patch to natd to allow it pass GRE/ ie PPTP. Check with the maintainers of natd on the latest version. > I'm writing here because of what I found via the mailing list search at > www.freebsd.org: > > -- > On Wed, 1 Apr 1998, M.C Wong wrote: > > > I wonder if there is any implementation, user-land or kernel, of > > tunneling protocol based on GRE (rfc1701, rfc1702) ? > > I remember some rumblings in -hackers about someone implementing a generic > tunnelling system. I think a GRE tunnel was part of the inspiration for > the project. Check the mail archives for info. > > Doug White | University of Oregon > Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant > http://gladstone.uoregon.edu/~dwhite | Computer Science Major > -- > > Did this go anywhere? > > I have a number of Windows users who'd like to be able to access some > WindowsNT based services using Microsoft's PPTP. > > As it stands, the WindowsNT machine is behind a FreeBSD machine running > natd which is in turn behind a Cisco which acts as a firewall. > > I can pass PPTP packets (port 1723) through to the FreeBSD machine and I > can pass the GRE packets associated with PPTP through to the FreeBSD > machine. > > I can then tunnel the PPTP packets through natd to the NT box, but I > haven't found any way to tunnel GRE through the NAT. > > Did this discussion of tunneling GRE through NAT ever go anywhere? Has > anyone written any software that does this? Is there any reason why this > would not be possible? (i.e., any reason why I shouldn't just pick up my > network programming book and write it myself?) > > Any help is much appreciated. > > > James Snow > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * > * We live in the short term | sno at teardrop dot org * > * and hope for the best. | I am Geek. Hear me ^G * > * * * * * * * * * * * * * * * * * * * * * * * * * * * * > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > > ----- See the original message at http://www.egroups.com/list/freebsd-hackers/?start=31791 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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