Paul Slootman <[EMAIL PROTECTED]> wrote:

> On Mon 01 Oct 2001, Morten Bo Johansen wrote:
> > 
> > Running nmap on the localhost produces among others this line
> > of output:
> > 
> >    8081/tcp   open        blackice-icecap
> >    
> > lsof shows that wwwoffled is behind this service
> 
> Most of us here could have told you that without the aid of lsof :-)


Well, in a sense it was superflous.


> > What is blackice-icecap..?
> 
> It's probably one of the hundreds of possible trojan horses. For a long
> list, visit http://www.nethog.com/feeds/niteryder/trojans.htm (although
> this one isn't listed).  It just means that someone somewhere has once
> found a trojan program listening on port 8081. It doesn't mean that
> having port 8081 accepting incoming connections is by definition
> dangerous; in this case you and I know that it's wwwoffled, and not
> blackice-icecap, so ignore it.

I am not quite sure that I still understand why nmap gets it
wrong.. 


> To be a bit brutal: it's not much use running security checks if you
> don't understand what they tell you... Invest in some time researching
> the background of such tools and why they exist first.

You're not brutal, you're just LART'ing me a little bit. ;-)

It is slightly beyond a simple RTFM, though, and my incentive to
spend a lot of time reading about security is somewhat limited
as long as I am on a dial-up connection with a standalone
machine but I will delve into it sometime. Thanks for your
answer.



Regards,

Morten

-- 
"People often applaud an imitation and then sneer at the real thing."

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