Forum on Risks to the Public in Computers and Related Systems

ACM Committee on Computers and Public Policy, Peter G. Neumann, moderator

Volume 1: Issue 14

Monday, 16 Sep 1985

Contents

Pitfalls of a Fail-Safe Mail Protocol?

Peter G. Neumann

Some Ruminations on an Ideal Defense System

Bob Estell

SDI, feasibility is irrelevant

Gopal

Pitfalls of a Fail-Safe Mail Protocol?

To: RISKS@SRI-CSLA.ARPA

After reading the case of the double posting of hundreds of millions of
dollars in RISKS-1.11, some of you apparently experienced the multiple
posting of RISKS-1.13 -- all original mailings time-stamped Sat 14 Sep 85
23:43:07-PDT, all complete, and all identical.  Brint Cooper, for example,
received THREE identical copies at various time intervals.

  Received: from brl-aos.arpa by TGR.BRL.ARPA id aa20274; 15 Sep 85 3:23 EDT
  Received: from sri-csl.arpa by AOS.BRL.ARPA id a017885; 15 Sep 85 3:18 EDT

  Received: from brl-aos.arpa by TGR.BRL.ARPA id a021160; 15 Sep 85 4:47 EDT
  Received: from sri-csl.arpa by AOS.BRL.ARPA id a018065; 15 Sep 85 4:35 EDT

  Received: from brl-aos.arpa by TGR.BRL.ARPA id a022055; 15 Sep 85 6:31 EDT
  Received: from sri-csl.arpa by AOS.BRL.ARPA id a018257; 15 Sep 85 6:17 EDT

The new

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