Re: Nmap scanning problem( possible filtration)

[Aaron Bedra <abedra () westervillelibrary org>]

Lord Doskias,

Have you tried the -T flag options yet?  Most likely there is some
throttling happening.  I have experienced this before with Ma Bell (formerly
SBC) and some others.  Try setting your rate a little lower and see what
happens.

Best of Luck,

Aaron J. Bedra


On 6/5/06 11:07 AM, "Lord Doskias" <lorddoskias () abv bg> wrote:

> First hello to everyone.

I've been using nmap for some time now and it did a
> great job , unitl one day (3-4 months ago) the scan just said "there are no
> open ports on the machine". Since then, I'm not able to use nmap on  internet
> machines (only in my intranet).I think that my ISP is doing some kind of
> filtration of packets , my first guess was that ICMP packets are filtered ,
> but that's not true because I get ping to the machines I want to scan.Even
> scanme.nmap.org is giving no open ports.I tried most of the scanning methods
> (sM, sS, sT, sA) none of them worked.I'd be glad to hear your
> suggestions.

Thanks in
> advance.

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