you are right. It works. I used nmap -sU 192.168.1.1 to scan it just take too long time and I thought it doesn't work. I used nmap -sU -p 1-1024 and the result came out after some time --- Mike Klinke <lsomike@xxxxxxxxxx> wrote: > On Monday 15 August 2005 04:16, M E Fieu wrote: > > > May I know why nmap -sU can't scan another linux PC ?? > > It works for me here on an FC3 box. Did you see the caveats in the > man page for udp scans? > > Regards, Mike Klinke > > nmap -sU -p 1-125 192.168.1.1 > > Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2005-08-15 > 08:59 CDT > Interesting ports on 192.168.3.1: > (The 123 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 53/udp open|filtered domain > 123/udp open|filtered ntp > MAC Address: 00:60:97:71:2C:5C (3com) > > Nmap run completed -- 1 IP address (1 host up) scanned in 123.185 > seconds > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com