RE: Fast UDP scan

Read here:

http://blog.tenablesecurity.com/2007/02/udp_service_and.html

This should help you understand why if you do a generic UDP portscan you
should not exceed 1 port per second. If the server OS rate limits the
ICMP code3 type 3 messages, your scanner may think the port is open.



Dennis


-----Original Message-----
From: listbounce@xxxxxxxxxxxxxxxxx
[mailto:listbounce@xxxxxxxxxxxxxxxxx] On Behalf Of Strykar
Sent: Sunday, August 26, 2007 3:05 AM
To: pen-test@xxxxxxxxxxxxxxxxx
Cc: 'Attari Attari'
Subject: RE: Fast UDP scan

Read the documentation.
You can also join #Unicornscan on EFnet.



-----Original Message-----
From: listbounce@xxxxxxxxxxxxxxxxx
[mailto:listbounce@xxxxxxxxxxxxxxxxx] On Behalf Of Attari Attari
Sent: Saturday, August 25, 2007 11:37 AM
To: pen-test@xxxxxxxxxxxxxxxxx
Subject: Re: Fast UDP scan

Thanks everyone for inputs...

I'm excited about unicornscan however I get this
error:
/usr/bin/ld: cannot find -lnet

when doing make...

I'm running Fedora Core 5 so am not able to install the Linux
RPM too..

Any idea what's going wrong?

--- Jan Heisterkamp <janheisterkamp@xxxxxx> wrote:

Yes he's looking for Unicornscan, but
unicornscan.org is down.
You can find it here:
Linux rpm:

http://rpmfind.net/linux/RPM/sourceforge/o/os/osace/unicornsca
n-0.4.2-0.i386
.html
or integrated in the OSSTMM Security Audit Correlation Engine there:
http://sourceforge.net/projects/osace
FreeBSD:

http://www.freebsd.org/cgi/cvsweb.cgi/ports/security/unicornscan/

Regards,
Jan

Pete Herzog schrieb:
You're looking for Unicornscan:
http://www.unicornscan.org/

Fastest scanner EVER.

-pete.
www-isecom.org


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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