Date: Tue, 02 Apr 2002 21:42:25 -0600 From: Christopher Schulte <schulte+freebsd@nospam.schulte.org> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-questions@freebsd.org Subject: Re: Netcraft survey ... what ports? Message-ID: <5.1.0.14.0.20020402213456.037854f8@pop3s.schulte.org> In-Reply-To: <20020402232731.Y2337-100000@mail1.hub.org> References: <5.1.0.14.0.20020402210936.02b8edf8@pop3s.schulte.org>
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At 11:31 PM 4/2/2002 -0400, Marc G. Fournier wrote: ># sysctl net.inet.tcp.rfc1323=1 >net.inet.tcp.rfc1323: 1 -> 1 Looks good. >4.5-STABLE FreeBSD 4.5-STABLE #6: Mon Mar 25 21:01:05 CST 2002 I don't have any -STABLE boxes these days, but I do have 4.5-RELEASE-p2 #0: Sat Mar 9 07:08:14 CST 2002 And netcraft detects this OS and uptime (with tcp extensions enabled) just fine. >Any idea on how it detects the OS? Righ tnow, I have all ports in >inetd.conf disabled, which I believe is the default with FreeBSD now ... >do some of those have to be open'd for the detection to work? Would be a >shame for 'FreeBSD usage' to drop in netcraft stats as ppl upgrade to the >more recent versions :( The only port you'd need open is port 80, so netcraft can first query your webserver. It uses those TCP/IP packets to determine OS and uptime. http://uptime.netcraft.com/up/accuracy.html#os -- Christopher Schulte http://www.schulte.org/ Do not un-munge my @nospam.schulte.org email address. This address is valid. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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