Path: utzoo!attcan!uunet!lll-winken!ames!pasteur!ucbvax!ulysses!smb
From: smb@ulysses.homer.nj.att.com (Steven M. Bellovin)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: TCP/IP Security
Keywords: Security
Message-ID: <11102@ulysses.homer.nj.att.com>
Date: 15 Jan 89 03:33:16 GMT
References: <207@secola.Columbia.NCR.COM>
Organization: AT&T Bell Laboratories, Murray Hill
Lines: 8

In article <207@secola.Columbia.NCR.COM>, kwilliam@secola.Columbia.NCR.COM (Karen Williams) writes:
> 
> Do the TCP/IP standards allow for encryption of data?

There are no encryption provisions in the standard protocol suite at
the IP or TCP level.  It's possible to encrypt at the link level (i.e.,
the Blacker Front End), and of course at the application level.  See
RFC 1040 for some movement in that direction.