Date: Wed, 19 Apr 2000 15:18:02 -0600 (MDT) From: Charles Mott <cmott@scientech.com> To: Archie Cobbs <archie@whistle.com> Cc: Ruslan Ermilov <ru@FreeBSD.ORG>, julian@elischer.org, brian@Awfulhak.org, ari@suutari.iki.fi, perhaps@yes.no, net@FreeBSD.ORG, Erik Salander <erik@whistle.com> Subject: Re: Improved PPTP support for libalias(3) Message-ID: <Pine.LNX.4.10.10004191515480.18305-100000@if.scientech.com> In-Reply-To: <200004191819.LAA27198@bubba.whistle.com>
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> I'm not that familiar with the libalias code (erik@whistle.com is > more familiar), but am familiar with PPTP. Are you swizzling the > TCP stream (port 1723) at all? If not, then it's probably not going > to work .. or at least, not when two clients use the same Call ID. > > PPTP is like active mode FTP in that the Call ID (FTP -> port #) is > embedded in the TCP stream and must be swizzled. Unlike FTP however, > the TCP stream won't shrink or expand. It seems like the PPTP server address and call ID would provide enough information to correctly rewrite packets (i.e. a given server will not have duplicate call ID's). However, you are also indicating that the the control stream must be modified. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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