Re: hosts found/not found based on number of IP addresses scanned

[Norbert Kiesel <nkiesel () tbdnetworks com>]

On Thu, 2007-06-07 at 07:21 +0000, Brandon Enright wrote:
> On Wed, 06 Jun 2007 19:52:05 -0700 plus or minus some time Norbert Kiesel
> <nkiesel () tbdnetworks com> wrote:
> > # nmap -P0 -PU161 -PS22,23 -p T:22,23,U:161 -sT -sU 192.168.4.240-255
> >
> > # nmap -P0 -PU161 -PS22,23 -p T:22,23,U:161 -sT -sU 192.168.4.250-255
>
> You are giving nmap conflicting information.  First you say "don't ping"
> with -P0 and then you give it probe information for host discovery with -PU
> and -PS.  Try picking one or the other and see what happens.

Yeah, realized that after sending the email.  However, situation did not
change after I dropped the -PU and -PS (i.e. "nmap -P0 -p T:22,23,U:161
-sT -sU 192.168.4.240-255"). I can make it work more reliably by using
e.g. '-T2', so it seems to be timing related.

Best,
  Norbert

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