Re: Regarding OS detection

[Akash Das <akash210197 () gmail com>]

So, what can we do to get the most of the scan while we are trying to
access a system that is being protected by a firewall. Is there a way that
nmap has figured out to do this because it will den be very useful while
scanning systems protected by firewall.

Thanks.

On Jan 11, 2017 6:15 PM, "Josh Amishav-Zlatin" <jamuse () gmail com> wrote:

> On Wed, Jan 11, 2017 at 9:05 AM, Akash Das <akash210197 () gmail com> wrote:
>
> > Hello Dan,
> > I used -sU with -D the decoy method to bypass the firewall protection.
> > Does this would help me in bypassing that obstruction which is I think
> > the firewall.
> Hi Akash,
>
> The -D option will not bypass a firewall. It simply makes it appear to the
> target that the decoys specified are scanning it as well. The goal is to
> make it harder for the target to know which IP was actually scanning and
> which are innocent decoys.
>
> - Josh
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