RE: Simple Scan

["Brandon Enright" <bmenrigh () ucsd edu>]

With nmap <www.insecure.org>:

nmap -P0 -p 3321 AAA.BBB.CCC.DDD/MM

So -P0 says don't ping.  -p 3321 says probe only that port.  You may want to
turn on verbose mode with -v.  If you aren't root/administrator you'll only be
able to run a TCP Connect.  If you are root/administrator you can run a
half-open TCP scan.  If you want to probe for UDP ports use -sU.  UDP can have
unpredictable results depending on the target OS.

Hosts that are down/firewalled will come back with port filtered status.

-----------------------
Brandon Enright
ACS/Network Operations
bmenrigh () ucsd edu

> -----Original Message-----
> From: Paul Selibas [mailto:gotiex () yahoo com]
> Sent: Tuesday, February 15, 2005 11:14 PM
> To: security-basics () securityfocus com
> Subject: Simple Scan
>
>  Greetings all...
>
>  I am looking for a way to check which hosts are up
>  and have port 3321 open on my network. But i dont
>  want to ping, is there no way of just probing port
>  3321 and reporting back if it is open or not?
>
>  Many Thanks
>
>
>
>
>
> __________________________________
> Do you Yahoo!?
> Yahoo! Mail - Find what you need with new enhanced search.
> http://info.mail.yahoo.com/mail_250