Re: [NSE] broadcast-ping

[Toni Ruottu <toni.ruottu () iki fi>]

Maybe this should be mentioned in the script description if that is
not already the case?

On Tue, Jul 5, 2011 at 10:08 PM, Gorjan Petrovski <mogi57 () gmail com> wrote:
> If you want to test this script and have it detect Linux machines, you
> have to enable broadcast reply on those machines:
>
> echo "0" > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
>
> On Tue, Jul 5, 2011 at 6:41 PM, Gorjan Petrovski <mogi57 () gmail com> wrote:
> > Hello,
> >
> > Please find the broadcast ping script attached.
> >
> > Sends broadcast pings on a selected interface using raw ethernet packets and
> > outputs the responder hosts' IP and MAC addresses. r00t permissions are a
> > prerequisite.
> >
> > The interface on which is broadcasted can be specified using the -e Nmap option
> > or the <code>broadcast-ping.interface</code> script-arg. If no interface is
> > specified this script broadcasts on all ethernet interfaces which have an IPv4
> > address defined.
> >
> > The <code>newtarget</code> script-arg can be used so the script adds the
> > discovered IPs as targets.
> >
> > The timeout of the ICMP probes can be specified using the <code>timeout</code>
> > script-arg. The default timeout is 3000 ms. A higher number might be necesary
> > when scanning across larger networks.
> >
> > The number of sent probes can be specified using the <code>num-probes</code>
> > script-arg. The default number is 1. A higher value might get more results on
> > larger networks.
> >
> > The ICMP probes sent comply with the --ttl and --data-length Nmap options, so
> > you can use those to control the TTL(time to live) and ICMP payload length
> > respectively. The default value for TTL is 64, and the length of the payload
> > is 0. The payload is consisted of random bytes.
> >
> > The output looks the same like the first post in this thread.
> >
> > Cheers,
> > Gorjan
>
>
>
> --
> Gorjan
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