Nmap Development mailing list archives
Re: Speeding up single ports scans over large networks
From: Fyodor <fyodor () insecure org>
Date: Thu, 18 Sep 2003 18:32:44 -0700
On Thu, Sep 18, 2003 at 06:29:45PM -0700, Fyodor wrote:
On Fri, Sep 19, 2003 at 12:35:51AM +0100, testic wrote: nmap -PS[portno] -sS[portno] -T4 -n [network addresses]
My bad ... of course -sS doesn't take an argument. I meant "-sS -p [portno]". Here is a real example of scanning 4400 IPs for web servers in under a minute: nmap -PS80 -sS -p80 -oA [filename] [ Netblocks ] [ ... ] Interesting ports on STAGING2.PLAYBOY.COM (209.247.228.141): Port State Service 80/tcp open http The 1 scanned port on mailhost-chi.playboy.com (209.247.228.143) is: closed Interesting ports on ads-chi.peiecommerce.com (209.247.228.145): Port State Service 80/tcp open http [...] Nmap run completed -- 4397 IP addresses (50 hosts up) scanned in 59.196 seconds ] Cheers, -F --------------------------------------------------------------------- For help using this (nmap-dev) mailing list, send a blank email to nmap-dev-help () insecure org . List run by ezmlm-idx (www.ezmlm.org).
Current thread:
- Speeding up single ports scans over large networks testic (Sep 18)
- Re: Speeding up single ports scans over large networks Fyodor (Sep 18)
- Re: Speeding up single ports scans over large networks Fyodor (Sep 18)
- <Possible follow-ups>
- Re: Speeding up single ports scans over large networks testic (Sep 18)
- Re[2]: Speeding up single ports scans over large networks Bo Cato (Sep 18)
- Re: Speeding up single ports scans over large networks testic (Sep 18)
- Re: Speeding up single ports scans over large networks Fyodor (Sep 18)