Date: Thu, 27 Feb 2003 13:02:53 -0600 From: David Kelly <dkelly@hiwaay.net> To: Tomazo Lujiano <tomazo@fastermail.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: FreeBSD sysctls Message-ID: <20030227190253.GB39119@grumpy.dyndns.org> In-Reply-To: <20030227183804.20910.qmail@fastermail.com> References: <20030227183804.20910.qmail@fastermail.com>
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On Fri, Feb 28, 2003 at 02:38:04AM +0800, Tomazo Lujiano wrote: > Hello, FreeBSD hackers! > And here is my problem: > I use FreeBSD-4.7 Stable at home. My machine also provides an Internet access > in our local network. That's why I set different firewalls, ipfilters and other > stuff to provide the security in our private net. So, I'd also like to defend > my server from OS-detectors, such as nmap and some others and change TCP-stack as well. > And what I do: > sysctl kern.ostype > kern.ostype: FreeBSD > Well, everything is clear. Then I type: > sysctl kern.ostype=Lotus_Notes/DOMINO > but see: > sysctl: oid 'kern.ostype' is read only Nobody is going to be able to read kern.ostype from your system unless they have already rooted you. -- David Kelly N4HHE, dkelly@hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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