Re: IP tunneling and encryption?

Alan Cox (
Sat, 4 May 1996 14:23:52 +0100 (BST)

> I'm contemplating playing around with IP tunneling, but I'm missing a _very_
> obvious thing: some encryption hooks (like those in the loop blockdev). I
> think this is so obvious, that somebody must have implemented it already;
> otherwise - would it be hard to do? AFAIK, one would just add an extra option
> to the setup, and hook an encryption/decryption call to the points in the code
> where the original data is copied to/from the new socket buffer. Are there any
> more issues here?

None at all. The IPIP code actually has a note where you add say compressors.
Please remember not to put encryption software on any US site without specific
permission as Americans are not allowed to export it.