From owner-freebsd-questions Tue Jul 10 18:35:40 2001 Delivered-To: freebsd-questions@freebsd.org Received: from rebel.net.au (rebel.rebel.net.au [203.20.69.66]) by hub.freebsd.org (Postfix) with ESMTP id 4858337B403 for ; Tue, 10 Jul 2001 18:35:33 -0700 (PDT) (envelope-from lloy0076@rebel.net.au) Received: from rebel.net.au (dialup-1.rebel.net.au [203.20.69.71]) by rebel.net.au (8.8.5/8.8.4) with ESMTP id LAA25629; Wed, 11 Jul 2001 11:04:47 +0930 Message-ID: <3B4BAE14.9F3D9992@rebel.net.au> Date: Wed, 11 Jul 2001 11:08:28 +0930 From: David Lloyd X-Mailer: Mozilla 4.76 [en] (X11; U; FreeBSD 4.3-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Peter Kok Cc: "freebsd-questions@FreeBSD.ORG" Subject: Re: security: scan my server References: <3B4BAA48.9C955F1A@hotmail.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Peter! > I discover that http://www.netcraft.com/ > can scan which OS of the web server Find "nmap" on the web (from memory it's from http://insecure.org/), perhaps searching for it at (http://freshmeat.net/). It has a good description of how it discovers what operating system. Furthermore, last time I looked at http://www.netcraft.com/ there was a link describing how it worked... > That mean it is not security! Oh? Security by obscurity doesn't work at all. I should be able to know anything that can be publicly known about your operating system without causing you to be concerned for your security. > How do I avoid its scan? and I don't know. Personally, I wouldn't be too bothered. DSL -- "The greatest thing you'll ever learn is just to love and to be loved in return." - David Bowie (Nature Boy from Moulin Rouge) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message