Nmap Development: Re: [PATCH] IP Protocol Ping

From: Kris Katterjohn <katterjohn_at_gmail.com>
Date: Sun, 28 Oct 2007 20:24:51 -0500

On 10/28/07, Fyodor <fyodor_at_insecure.org> wrote:
> On Wed, Oct 24, 2007 at 05:53:18PM -0500, Kris Katterjohn wrote:
> > Currently the default is to send with protocols numbers 1 (ICMP), 2
> > (IGMP), 6 (TCP), and 17 (UDP).
>
> Since Nmap already has extensive techniques for sending TCP and UDP
> ping packets, maybe the -PO defaults should just be 1 and 2 (maybe a
> couple others if you think they're worth it). What do you think,
> Kris?
>
> Cheers,
> -F
>

That sounds OK to me. Using 4 (IP-in-IP tunnel) may be a good
additional one to add as this has a better likelihood to get through
than other uncommon protocols.

I'll change this.

Thanks,
Kris Katterjohn

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Received on Oct 28 2007