From: Fabrizio (staticrez@gmail.com)
Date: Wed Aug 08 2007 - 08:28:21 EDT
List,
I didn't see anyone mention hping for ICMP reconnaisance. They also
talk about using Sing as well.
check out this article:
http://www.sans.org/resources/idfaq/icmp_misuse.php
f
On 8/8/07, Dan Catalin Vasile <hardware_cta@yahoo.com> wrote:
> Note: forwarded message attached.
>
>
>
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> ---------- Forwarded message ----------
> From: Dan Catalin Vasile <hardware_cta@yahoo.com>
> To: rajat swarup <rajats@gmail.com>
> Date: Tue, 7 Aug 2007 23:54:57 -0700 (PDT)
> Subject: Re: Discovering Live Hosts
> --- rajat swarup <rajats@gmail.com> wrote:
>
> > On 8/8/07, Nikhil Wagholikar <visitnikhil@gmail.com>
> > wrote:
> > >
> > > Thanks for your suggestion. However as I said
> > earlier that "if suppose SMTP is
> > > configured on port 26 instead of traditional port
> > 25, then it would
> > > add a twist to this situation". Hence your
> > suggested method would
> > > still leave some hosts down. Can you kindly
> > further granularize your
> > > suggestion?
> >
>
>
>
> > But it would turn up with port 25 as "closed" which
> > still shows that
> > the host is alive.
>
>
> Or not! The fw can be configured not to respond in
> case that a port is closed. In this situation nmap
> reports the port as "filtered" and you can't tell if
> the host is up. In fact, a live host with no ports
> open and with a fw configured to reject icmp can
> appear as offline.
>
>
>
>
>
> > --
> > Rajat Swarup
> >
> > http://rajatswarup.blogspot.com/
> >
> >
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