[rescue] OT: open TCP port - followup

Phil Brutsche rescue at sunhelp.org
Wed Aug 1 22:53:28 CDT 2001


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A long time ago, in a galaxy far, far way, someone said...

> Looks like the culprit is portsentry! After killing it, that port is
> no longer open. Interesting. Is portsentry opening ports by scanning
> them?

Correct.  IIRC that's standard behavior on non-Linux systems.

On Linux portsentry has a "stealth" mode that allows it to detect
connection attempts while not actively listening on the appropriate port.

> Perhaps I shouldn't run it any more.

Your call.  I hear snort is pretty interesting, though.

> Any comments on this?

You just found out the reason why I don't run it :)

> I *hate* being cracked!

Doesn't everyone?

- -- 
- ----------------------------------------------------------------------
Phil Brutsche				    pbrutsch at tux.creighton.edu

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