Date: Tue, 31 Oct 2006 15:42:09 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Brett Glass <brett@lariat.net> Cc: questions@freebsd.org Subject: Re: nfsiod Message-ID: <20061031214209.GF3839@dan.emsphone.com> In-Reply-To: <200610312102.OAA22245@lariat.net> References: <200610312102.OAA22245@lariat.net>
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In the last episode (Oct 31), Brett Glass said: > I have no interest in running NFS (AKA "no file security") on my > FreeBSD boxes, but have noticed that FreeBSD 6.x seems to start a > daemon called "nfsiod" by default even when it is not configured as > an NFS server or client. What's the best way to instruct the system > not to start these processes, which take up resources and may be a > security risk? Why isn't this done at sysinstall time? nfsiods are kernel threads that allow for parallel client requests from a machine. You must still have some sort of NFS client functionality in the kernel for them to exist, but you can tell them to quit by setting the vfs.nfs.iodmax sysctl to 0. They should exit imediately. In fact, since iodmin defaults to zero, there shouldn't be any running unless you are actively using nfs. -- Dan Nelson dnelson@allantgroup.com
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