Re: NMAP OS detaection fails on Cisco VPN

[Sai Kumar <gv.sai.kumar () gmail com>]

Hi Ron ,

Thanks for the reply . My intension is to do OS scan when I am on vpn . Is
there any way that I could do that using NMAP .

Regards
Sai

On Sun, May 23, 2010 at 10:13 PM, Ron <ron () skullsecurity net> wrote:

> OS Scan (-O) requires root on the system you're scanning from, as indicated
> by the error message. It isn't compatible with an --unprivileged scan,
> because it has to build packets from the ground up.
>
> Try running the scan from a system where you can craft packets.
>
> On Thu, 20 May 2010 18:00:36 +0530 Sai Kumar <gv.sai.kumar () gmail com>
> wrote:
> > Hi ,
> >
> > I am not able to nmap -O -sT --unprivileged 14.5.104.32 . Output is as
> > follows
> >
> > TCP/IP fingerprinting (for OS scan) requires root privileges.
> > QUITTING!
> >
> > Please suggest bestway .
> >
> > Thanks
> > Regards
> > Sai
> > _______________________________________________
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>
>
> --
> Ron Bowes
> http://www.skullsecurity.org
> http://www.twitter.com/iagox86
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