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Path: utzoo!watmath!clyde!burl!ulysses!bellcore!decvax!decwrl!sun!saber!imagen!jay
From: jay@imagen.UUCP (Jay Jaeckel)
Newsgroups: net.crypt
Subject: Re: foiling password crackers
Message-ID: <269@imagen.UUCP>
Date: Wed, 12-Feb-86 20:40:16 EST
Article-I.D.: imagen.269
Posted: Wed Feb 12 20:40:16 1986
Date-Received: Sat, 15-Feb-86 02:38:00 EST
References: <1075@decwrl.DEC.COM>
Organization: Imagen Corp., Santa Clara, CA
Lines: 20

Mike Maroney suggests this experiment:

>                                            . . . the called line is NOT
> released until the CALLER hangs up.  . . .           . . .  If you are
> curious if your phone system is like this, try the following:
> 1) Call a friend.
> 2) Have friend hang up.  You do not hang up.
> 3) Have friend pick up his receiver again.
> 4) If you are still connected, you have this type phone system.
> 
> This will not work with long distance.
> 

At least with the phone systems I've used, this is not quite so.  Rather:
   (1)  If the callER hangs up, the connection is broken at once.
   (2)  If the callEE hangs up, the connection is not broken for about
        30 seconds or so.  Then it is.

                                        -- Jay Jaeckel
                                        ...{decwrl,ucbvax}!imagen!jay