Re: what did I miss this time?

["R M" <rmtechnet () gmail com>]

Unfortunately I don't have immediate access to a linux or a BSD system
now. But I am working on that so that i can test from that too.

And upon getting your reply, I tried the -PE/-sP options on some other
hosts. It works for all other hosts which I tried, except this one
host !

On 8/25/06, Kris Katterjohn <kjak () ispwest com> wrote:
> R M wrote:
> > hi !
> >
> > here's something which has been bugging me for sometime now.
> >
> > There is an IP address (public) which I can ping successfully. But
> > when I do an 'nmap -PE' for the same IP, it says 'host seems down'. As
> > expected, a packet capture shows that the -PE option is just sending
> > an echo request (same as what PING is doing).
> >
> > I am trying this from different XP SP2 machines. Same result. I tried
> > nmap 4.11 as well as 4.01. I also tried the -sP option, with the same
> > outcome.
> >
> > Is there anyway the destination host can know that the icmp echo
> > request is coming from nmap and not from a regular PING and thus
> > blocks the nmap ping??
> > Sorry for these basic questions.
> >
> > Appreciate any feedback/suggestions you can provide.
> >
> > thanks, folks.
> >
> > --Rosh
>
> Have you tried doing this on other platforms like Linux or *BSD? Have
> you tried pinging and using the -PE/-sP option on other hosts?
>
>
> Kris Katterjohn

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