Port Scanning

Pilgrim22 · Cadet Joined: Feb 12, 2004 Posts: 5 Location: UK

Hi all I am new to Computer Cops and took advantage of the "Computer Cops UDP 1000+ Port Scanner". I am not certain what it does but it seemed a good idea at the time. However it has finished (I think) and says "998 ports initially detected open. cleanup iterations: 5."
Can anyone explain if this is good or bad please. Confused

Thanks very much
Pilgrim22

Paul · Admin Joined: Feb 22, 2002 Posts: 5678 Location: USA

Hi, it runs thru a few times to validate its initial results. Did you allow it to complete?

Pilgrim22 · Cadet Joined: Feb 12, 2004 Posts: 5 Location: UK

Thanks for replying.
Yes it finished scaning 1000 ports but it looked like it was still working so I left it, but when I returned to the PC the webpage said server unavailable!

Should I run it again and what purpose does it serve?

Paul · Admin Joined: Feb 22, 2002 Posts: 5678 Location: USA

Try one of the smaller port scans from UDP first.

Pilgrim22 · Cadet Joined: Feb 12, 2004 Posts: 5 Location: UK

Thanks for your help Paul, I'll give it a go.

Should the ports be open or closed or what?

Paul · Admin Joined: Feb 22, 2002 Posts: 5678 Location: USA

Closed means good, there is nothing listening on those ports waiting for a connection. The problem is when you have open ports, because then an outside connection can be made into your system.

Pilgrim22 · Cadet Joined: Feb 12, 2004 Posts: 5 Location: UK

Last question (I think).
If ideally they should be closed how can I close them? I am running Win XP Pro with Zone Alarm Pro (if that helps)
Thanks for all the help!
Pilgrim22

terrorkid · Cadet Joined: Mar 13, 2004 Posts: 3 Location: USA

shut down the services that run on those ports, get a good firewall (personaly i don't like zone alarm).
i've got only one open , the UPnP on port 5000

Pilgrim22 · Cadet Joined: Feb 12, 2004 Posts: 5 Location: UK

Thanks Terrorkid.

I shall give it a go.


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