Re: NMap is too slow under win XP

[Andy Lutomirski <luto () stanford edu>]

I've experienced problems like this, and, after must packet tracing, I 
think that they are related to an OS bug, in which packets are dropped 
somewhere for no reason.

Running with --max_parallelism 1 works around this bug and gives 
acceptable performance on LANs.

Andy

Stan Bubrouski wrote:

> Diego Casorran wrote:
>
> >   Hello Carlos,
> >
> > On miércoles (30-04-2003), you wrote:
> >
> >
> > > I install Nmapwin 1.3.1 and the latest version of nmap but nmap is 
> > > tooooooo
> > > slooowwwww , Can you help me !!!
>
> I stopped running nmap on windows altogether because
> most scans even on the LAN take 500-1500% more time.
> I've had that problem since the beginning of nmap on
> windows.  This was on my Win2K box with 3com nic.
> Never tried other setups with windows.
>
> -Stan
>
> > for some scans..I have the same problem under my AmigaOS, but I have 
> > noticed
> > that sending pings at the same time of the scan, the process are more 
> > faster,
> > may is the same thing on your XP? I dunno the cause, may a tcp/ip 
> > configuration
> > or may a ISP fault ?...
> >
> >
> >
> > Kind regards
> >
> >
> >
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>
>
>
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