nanog mailing list archives
Re: sniffer/promisc detector
From: "Alexei Roudnev" <alex () relcom net>
Date: Wed, 21 Jan 2004 23:32:59 -0800
I saw such scanners 6 years ago (amazingly, they could not determine very old OS and very oold services...). But, just again, no one use it in automated scans over the Internet. As I was saying, port camuphlaging works as a very first line of defense - it cuts 99% of all attacks and akllow you to deal with the rest 1%. I'll measure time tomorrow... Such tools are usually very slow (and lost 20 - 50% of all packets, so to have a reliable result, you must scan host 2 - 4 times). ----- Original Message ----- From: "Crist Clark" <crist.clark () globalstar com> To: "Alexei Roudnev" <alex () relcom net> Cc: "Ruben van der Leij" <ruben-nanog () nutz nl>; <nanog () merit edu> Sent: Wednesday, January 21, 2004 11:26 AM Subject: Re: sniffer/promisc detector
Alexei Roudnev wrote:Please, do it: time nmap -p 0-65535 $target You will be surprised (and nmap will not report applications; to test a response, multiply time at 5 ).Yes. It will, http://www.insecure.org/nmap/versionscan.html -- Crist J. Clark crist.clark () globalstar com Globalstar Communications (408) 933-4387
Current thread:
- Re: sniffer/promisc detector, (continued)
- Re: sniffer/promisc detector haesu (Jan 20)
- Re: sniffer/promisc detector Damian Gerow (Jan 16)
- RE: sniffer/promisc detector Michel Py (Jan 20)
- RE: sniffer/promisc detector Henry Linneweh (Jan 20)
- Re: sniffer/promisc detector Michael . Dillon (Jan 21)
- Re: sniffer/promisc detector Ruben van der Leij (Jan 21)
- Re: sniffer/promisc detector Valdis . Kletnieks (Jan 21)
- Re: sniffer/promisc detector Ruben van der Leij (Jan 21)
- Re: sniffer/promisc detector Alexei Roudnev (Jan 21)
- Re: sniffer/promisc detector Crist Clark (Jan 21)
- Re: sniffer/promisc detector Alexei Roudnev (Jan 21)
- Re: sniffer/promisc detector Ruben van der Leij (Jan 21)
- Re: sniffer/promisc detector Fyodor (Jan 22)
- Re: sniffer/promisc detector Alexei Roudnev (Jan 22)
- Re: sniffer/promisc detector Alexei Roudnev (Jan 22)
- Re: sniffer/promisc detector Ruben van der Leij (Jan 22)
- Re: sniffer/promisc detector Jason Slagle (Jan 22)
- Re: sniffer/promisc detector Ruben van der Leij (Jan 22)
- Re: sniffer/promisc detector Alexei Roudnev (Jan 22)
- Re: sniffer/promisc detector Andrew Simmons (Jan 23)
- Re: sniffer/promisc detector Alexei Roudnev (Jan 21)