[Info-vax] "Linux Shminux - IPsec is Snake Oil!" VMS Mgmnt

[MetaEd]

On Apr 9, 10:30 pm, "Richard B. Gilbert" <rgilber... at comcast.net>
wrote:
> There are two basic reasons for using encryption: security and
> authentication.
>
> Security means that you encrypt your traffic so that no one other than
> the intended recipient can read it.
>
> Authentication means that you know who sent a message because he is the
> only one who could have encrypted it using that key.
>
> Both situations tend to be rather rare.  It's most unlikely, for
> example, that anyone would bother to encrypt an order for eight cases of
> Campbell's Tomato Soup!

In the Internet Age the problem with your unencrypted soup order is
Authentication. Otherwise I can terrorize you with soup you did not
order and maybe deplete stocks that were really needed elsewhere---a
DOS attack (Denial Of Soup).