Date: Wed, 26 Jun 2002 03:33:40 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: Jon Noack <noackjr@compgeek.com> Cc: pcasidy@casidy.com, freebsd-questions@FreeBSD.ORG Subject: Re: Amount of FreeBSD servers is decreasing in servers statistics Message-ID: <20020626003340.GA6851@hades.hell.gr> In-Reply-To: <20020625012123.300.h001.c015.wm@mail.compgeek.com.criticalpath.net> References: <20020625012123.300.h001.c015.wm@mail.compgeek.com.criticalpath.net>
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On 2002-06-25 01:21 +0000, Jon Noack wrote: > > Does anybody have a clue? > Already been said, but I'd just like to echo that every FreeBSD box I've > upgraded to 4.6 has shown up as unknown. New versions of OSs always seem to > confuse detection programs. Another program that acts like this is nmap. > Next version almost always detects it correctly, though. Just FYI, Another common culprit that confuses programs like nmap or the Netcraft detection tests is: # sysctl -a | grep blackhole net.inet.tcp.blackhole: 2 net.inet.udp.blackhole: 1 The blackhole(4) manpage explains in detail why these two sysctls can cause the `confusion'. - Giorgos To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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