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Article View: comp.security.misc
Article #142

Re: unhappy about overloading finger

#142
From: Dave Hayes
Date: Tue, 21 Jul 1992 21:06
24 lines
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ggm@brolga.cc.uq.oz.au (George Michaelson) writes:
>To cover ourselves, we are increasingly using callback checks to
>have trace on who fingers us.
>Thus, we have a nasty scenario:
>	(1) automated s/w is flooding the net with fingers
>	(2) paranoia-calls are responding with fingers
>	(3) loops are likely.
>	(4) meantime, crackers are "hidden" by legitimate finger usage.

What we do to avoid any "backfinger loops" is to not backfinger a host if
we have already backfingered a host (a lock file works well for this). 
That way...the recursion stops here (so to speak). 

But increasingly, many sites disable "finger" service...therefore the 
"backfingers" and the "email fingers" and whatever else start to
become less and less useful.

I personally LIKE finger services...they are useful in a lot of ways.
-- 
Dave Hayes - Network & Communications Engineering - JPL / NASA - Pasadena CA
dave@elxr.jpl.nasa.gov       dave@jato.jpl.nasa.gov         ...usc!elroy!dxh

A great deal of thought is only a substitute for the thoughts which the 
individual would really find useful at the time.
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Message-ID: <1992Jul21.210658.22078@jato.jpl.nasa.gov>
Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!darwin.sura.net!mips!sdd.hp.com!usc!elroy.jpl.nasa.gov!jato!dave
References: <ggm.711690458@brolga>

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Newsgroups: comp.security.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!darwin.sura.net!mips!sdd.hp.com!usc!elroy.jpl.nasa.gov!jato!dave
From: dave@jato.jpl.nasa.gov (Dave Hayes)
Subject: Re: unhappy about overloading finger
Message-ID: <1992Jul21.210658.22078@jato.jpl.nasa.gov>
Reply-To: dave@jato.jpl.nasa.gov
Organization: Jet Propulsion Lab - Pasadena, CA
References: <ggm.711690458@brolga>
Date: Tue, 21 Jul 1992 21:06:58 GMT
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