Re: Discovering Live Hosts

[Fabrizio <staticrez () gmail com>]

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.
>
>
>
>       ____________________________________________________________________________________
> Fussy? Opinionated? Impossible to please? Perfect.  Join Yahoo!'s user panel and lay it on us. 
> http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7
>
>
> ---------- 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/
> ------------------------------------------------------------------------
> > This list is sponsored by: Cenzic
> >
> > Need to secure your web apps NOW?
> > Cenzic finds more, "real" vulnerabilities fast.
> > Click to try it, buy it or download a solution FREE
> > today!
> >
> > http://www.cenzic.com/downloads
> ------------------------------------------------------------------------
> >
>
>
>
>
> ____________________________________________________________________________________
> Be a better Globetrotter. Get better travel answers from someone who knows. Yahoo! Answers - Check it out.
> http://answers.yahoo.com/dir/?link=list&sid=396545469
>
>
> ------------------------------------------------------------------------
> This list is sponsored by: Cenzic
>
> Need to secure your web apps NOW?
> Cenzic finds more, "real" vulnerabilities fast.
> Click to try it, buy it or download a solution FREE today!
>
> http://www.cenzic.com/downloads
> ------------------------------------------------------------------------

------------------------------------------------------------------------
This list is sponsored by: Cenzic

Need to secure your web apps NOW?
Cenzic finds more, "real" vulnerabilities fast.
Click to try it, buy it or download a solution FREE today!

http://www.cenzic.com/downloads
------------------------------------------------------------------------