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Re: access control for mountd, statd, and lockd?
On Feb 7, 2010, at 12:13 PM, Thor Lancelot Simon wrote:
> On Sun, Feb 07, 2010 at 12:09:28PM -0500, Steven Bellovin wrote:
>> Is there any way to do strong access control on mountd, statd, and
>> lockd? For mountd, it appears that I can specify a specific port
>> number, which I can then wall off with ipfilter. I see no way to do
>> anything similar for statd and lockd -- am I missing something?
> The NFS and mount services are special-cased in the RPC standard: they
> have static port numbers.
mountd also has a -p option to specify a port number.
> That's not true for statd nor lockd. So I think what you're trying to
> do is not going to work well.
Right. Are there other choices that I'm missing?
--Steve Bellovin, http://www.cs.columbia.edu/~smb
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