Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!lll-lcc!mordor!sri-spam!rutgers!sri-unix!hplabs!decwrl!labrea!kestrel!king From: king@kestrel.ARPA (Dick King) Newsgroups: comp.dcom.modems Subject: Re: What number am I calling from? Message-ID: <15955@kestrel.ARPA> Date: Sat, 27-Dec-86 14:05:36 EST Article-I.D.: kestrel.15955 Posted: Sat Dec 27 14:05:36 1986 Date-Received: Sat, 27-Dec-86 20:46:42 EST References: <750@sdcc12.ucsd.EDU> <1706@sunybcs.UUCP> <722@cooper.UUCP> <1498@kitty.UUCP> <2263@well.UUCP> Distribution: na Organization: Kestrel Institute, Palo Alto, CA Lines: 40 In-reply-to: rab@well.UUCP's message of 27 Dec 86 11:01:22 GMT Posting-Front-End: GNU Emacs 18.32.5 of Fri Dec 26 1986 on kestrel (berkeley-unix) In article <2263@well.UUCP> rab@well.UUCP (Bob Bickford) writes: Path: kestrel!labrea!decwrl!decvax!ucbvax!ucbcad!ames!lll-lcc!ptsfa!well!rab From: rab@well.UUCP (Bob Bickford) Newsgroups: comp.dcom.modems Summary: 900 ohms , ANAC Date: 27 Dec 86 11:01:22 GMT References: <750@sdcc12.ucsd.EDU> <1706@sunybcs.UUCP> <722@cooper.UUCP> <1498@kitty.UUCP> Distribution: na Organization: Whole Earth Lectronic Link, Sausalito, CA Lines: 77 In a previous article Larry Lippman writes: > Dialing a three-digit access code which immediately provides an > announcement over the telephone circuit. This unrestricted > implementation has generally been considered a "security" problem > (use your imagination) by telephone company management; I am > somewhat surprised to see people posting articles reporting the > implementation of unrestricted ANAC. Why? I'm afraid my imagination does not present me with any compelling reason to belive this a 'security risk'. Certainly it is of little or no use to a telco cracker. I can think of one. If someone wants to tap your line, he can find it more easily, further from your house. For example, it would be possible for him to do about an hour's work at a junction box. > Larry Lippman @ Recognition Research Corp., Clarence, New York -- Robert Bickford {hplabs, ucbvax, lll-lcc, ptsfa, msudoc}!well!rab terrorist cryptography DES drugs cipher secret decode NSA CIA NRO IRS coke crack pot LSD russian missile atom nuclear assassinate libyan RSA The above is food for the NSA line eater. Add it to your .signature and you too can help overflow the NSA's ability to scan all traffic going in or out of the USA looking for "significant" words. (This is not a joke, sadly.) -dick