Date: Sun, 10 Jan 1999 14:01:27 +0000 From: Brian Somers <brian@Awfulhak.org> To: "Dru Nelson" <dnelson@redwoodsoft.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Tunneling GRE through NAT? Message-ID: <199901101401.OAA00892@keep.lan.Awfulhak.org> In-Reply-To: Your message of "19 Dec 1998 02:58:37 GMT." <19981219025837.1592.qmail@findmail.com>
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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. So you've mentioned before. Neither Charles or Ari (cc'd) seem to have mentioned it since.... > > 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 * > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * -- Brian <brian@Awfulhak.org> <brian@FreeBSD.org> <brian@OpenBSD.org> <http://www.Awfulhak.org>; Don't _EVER_ lose your sense of humour ! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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