> 
> thank you all for the clarification..I was indeed under the impression
> that used indiscreetly was somehow a ..no-no..

  One of the first things that security experts do, is to scan a machine
for port services. And one of the first bits of advice, is to turn off all
unneeded services.  Setting up an automatic scan and compare would seem
like a good step.

     It would thus seem to be a good thing to have some of these tools in
our tooolkits. 

> maybe this is the old adage ..."that a little bit of knowledge is
> dangerous"

     Depends on the individual.  Some people think that little bit is
everything, others see it as part of a larger pattern they have not yet
grasped, and thus treat it with caution.

> > under no circumstances should you sniff the ports of a system without first
> > asking permission from the person who runs that system.   at the absolute
> > best, such an action would be a breach of 'nettiquette.   at worst, someone
> > could file a complaint against you, and you could spend a lot of time
> > trying to convince people you were clueless, not malicious.   neither

     How can we detect such attacks?  I get messages from time to time
about IPX requests from the internet, as well as certain cgi-bin web
requets that were unsavory. My systems have apparently been trashed twice
over the past couple of years, once resulting in disciplinary actions by a
university against some of their students. (The administration stated it
was againt their policy to say what the disciplinary actions were...) I
would like a more comprehensive way of monitoring security. 

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