Date: Wed, 11 Oct 2000 10:28:24 -0700 From: "John Howie" <JHowie@msn.com> To: <freebsd-security@freebsd.org>, "Mike Thompson" <mpthompson@home.net> Subject: Re: Encrypted IP tunneling solution Message-ID: <00cc01c033a8$a9c70a50$fd01a8c0@pacbell.net> References: <4.3.2.7.2.20001008220611.085d2f00@mail.atomz.com>
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----- Original Message ----- From: "Mike Thompson" <mpthompson@home.net> To: <freebsd-security@freebsd.org> Sent: Sunday, October 08, 2000 10:56 PM Subject: Encrypted IP tunneling solution > I've created a fairly simple little application called stun that > essentially combines the functionality of nos-tun with SSH. Stun does for > IP tunneling what sftp does for FTP -- it makes it trivial to set up the > highly secure tunneling of raw IP packets between any two FreeBSD systems > that have SSH and tunneling devices (/dev/tunXX) enabled. [stuff deleted] > BTW, my ultimate goal behind this little application is to get it working > with Windows clients running SSH protocols where it can serve as a very > simple, but secure VPN solution. As one might expect, it has proven to be > much easier to write the FreeBSD/Unix side of things than the Windows side > where a virtual NDIS VxD driver or some similar beast will have to be > implemented. Actually, it might not be as hard as you think. I wrote an IP tunnelling interface for an X.25 (remember that?) card for SunOS 4.X and ported a large chunk of it to Windows NT 3.1 way back. The way I wrote it was to have the tunnelling code running in user space and have that access the dummy interface in the kernel. Sure it was slower than a pure kernel solution but back then the graphics was all in user space too. I might have some free time coming up so let me know if you need help. I'll see if I can find the code. > Mike Thompson > mike@atomz.com > CTO/Co-Founder Atomz.com john... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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