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Network Security Nessus-Users
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Re: Scan Issue

Subject: Re: Scan Issue
Date: Thu, 23 Jun 2005 22:33:58 +0200
On Thu, Jun 23, 2005 at 05:10:26PM +0200, Michel Arboi wrote:

I suspect that the timing options are badly broken in the last
version(s). A couple of days ago, I scanned a friend machine.
nessus_tcp_scanner was four time quicker: 380 s with
nessus_tcp_scanner, 1500+ s with nmap -T 4 ("aggressive" timing)

Was the target firewalled? In which way? Let me guess - connections
refused with rate-limited ICMP unreachables? I wrote a patch for this
case (if you are interested):

http://Xtrmntr.org/ORBman/tmp/nmap/nmap-3.78-defeat_ICMP_ratelimit.patch

(I think Fyodor will accept it sooner or later ;-)

On Thu, Jun 23, 2005 at 11:42:21AM -0400, Bilal Nasrallah wrote:

Also, if I deselect Nmap, how do I cover the UDP port scanning

No need to cover it. Nessus simply tests UDP services by itself, no
need to scan them first...

Martin Mačok
ICT Security Consultant
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