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From: vernon@hpcvaac.cv.hp.com (Vernon King)
Newsgroups: comp.dcom.modems
Subject: Re: Modem backdoor passwords (was re: security functions)
Message-ID: <4710020@hpcvaac.cv.hp.com>
Date: 11 Apr 91 14:38:53 GMT
References: <1991Apr10.150745.4628@sctc.com>
Organization: Hewlett-Packard Company, Corvallis, Oregon, USA
Lines: 10

On older phone systems still located in some areas even call back units are
not secure unless you call in on a different phone line than the modems calls
you back on. Modems with callback are more secure than passthru units but do
not think for a second that it is foolproof. Phone freaks are quite a talented
group of people. True security (as good as it gets) requires a seperate unit
such as Lee-Mah or Defender for security until callback modems are build with
the ability to support a seperate phone line for in and out.

                              My two cents
                              Vernon