Re: Nessus for port scanning --

Hi,

As I am curious too I will add my findings. I have set up nessus to scan
single
one IP address for single one port (23), with all plugins and all other
stuff turned off.
Even with this minimal setting I can see lot of data going out to the scan
target.
I have captured about 130-150 packets going to and from various ports
(ftp,http etc.)

The scan takes 35 seconds to complete, target box is on LAN.

Thanks,
P

On Mon, Sep 29, 2008 at 2:48 PM, Ron Gula <[email protected]> wrote:

> [email protected] wrote:
> > I'm looking at using Nessus for some general port scanning, so that i can
> > have all results consolidated in Security Center.  I really want to limit
> > scanning to a port or 2, and limit the hosts to just a handful at a time,
> > to limit network traffic during the scan.
> >
> > My initial testing seemed to indicate that it was taking about a minute
> > and a half per IP.  That was much longer than I expected.  I was checking
> > for 2 open ports, 2 IPs at a time, no plugins running, all on a LAN, SYN
> > scan.
> >
> > Wondering if it's a case of using the wrong tool, or if there are
> > additional settings/tweaks I should consider.  Any input appreciated.
> >
>
> Hi Mike,
>
> We're you performing the test under SC3 or under a Nessus Client?
>
> If you limited the scanned ports to just two ports, the scan should not
> have taken that long. I'm curious if you had any other plugins enabled
> such as service fingerprinting.
>
> Ron Gula
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>

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