Penetration Testing mailing list archives

Re: Fast UDP scan


From: Andy Ashley <security () nexus6 co za>
Date: Tue, 21 Aug 2007 08:41:22 +0100

Perhaps try adding a -T5 (Insane Timing) to the command?

Andy

Attari Attari wrote:
Hi Group:

Is there a way to increase speed of UDP scan?

I'm running a full UDP scan since 3 days on 3 IP
addresses and it is still not complete.
I gave following command:

nmap -sU -p1-65535 -P0 xxx.yyy.zzz.aaa

One way I can think of is is running parallel nmap
scans by dividing ports like:

nmap -sU -p1-30000 -P0 xxx.yyy.zzz.aaa
nmap -sU -p30000-65535 -P0 xxx.yyy.zzz.aaa

Would appreciate some inputs on this.

Regards





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