From owner-freebsd-hackers Fri Mar 20 15:16:10 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA24686 for freebsd-hackers-outgoing; Fri, 20 Mar 1998 15:16:10 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from shuttle.netronix.com (shuttle.netronix.com [205.149.170.14]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA24510 for ; Fri, 20 Mar 1998 15:15:25 -0800 (PST) (envelope-from jeff@netronix.com) Received: from ds9.netronix.com (ds9.netronix.com [205.149.190.36]) by shuttle.netronix.com (8.8.7/8.6.5) with SMTP id PAA03036; Fri, 20 Mar 1998 15:17:00 -0800 (PST) Message-Id: <199803202317.PAA03036@shuttle.netronix.com> From: "Jeff Buseman" To: Eivind Eklund Date: Fri, 20 Mar 1998 15:16:57 +0000 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Subject: (Fwd) Re: Natd Support for Microsoft PPTP / VPN using protocol CC: freebsd-hackers@FreeBSD.ORG Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Eivind, Thank you for your reponse. > It only handle TCP and UDP traffic. The only way to get it to handle > something else is by asking Charles or me to make libalias do so, preferably > with pointer to suitable documentation. I might find time to handle this > fairly quickly if you come up with docs. I see that others have sent you some references, and I'm including my summary of what I've found so far below. I have someone who would be willing to try to capture some packets on the incoming side, if that would help. If you need anything else that I could do, let me know. Thanks again. PPTP Documentation RFC's describing the GRE protocol http://www.es.net/pub/rfcs/rfc1701.txt http://www.es.net/pub/rfcs/rfc1702.txt Draft Proposal for PPTP ftp://ietf.org/internet-drafts/draft-ietf-pppext-pptp-02.txt http://www.microsoft.com/communications/exes/draft-ietf-pppext-p ptp-01.txt Linux program for protocol redirection (including protocol 47) http://bmrc.berkeley.edu/people/chaffee/linux_pptp.html http://www.pdos.lcs.mit.edu/~cananian/Projects/IPfwd/ Microsoft Documentation on PPTP Index: http://www.microsoft.com/communications/morepptp.htm Microsoft Dial-Up Networking Documentation (DUN12.DOC) http://support.microsoft.com/support/kb/articles/Q166/2/88.asp (Section 4 briefly describes PPTP / Firewalls) Jeff Buseman jeff@netronix.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message