From: alexander brown (albrown@eecs.berkeley.edu)
Date: Thu May 02 2002 - 11:28:34 PDT
"George C. Kaplan" wrote:
>
> In message <123e01c1f203$a818b620$978f2080@ce.berkeley.edu>, "Jon Forrest" writ
> es:
> > I recently had an interesting friendly discussion
> > with the people in EECS about the berkeley.edu
> > vs. Berkeley.EDU naming convention. They
> > pointed me to http://www.net.berkeley.edu/hostmaster/sdn.html
> [...]
> > The wise people in EECS told me that this assumption
> > was not correct. This is because when Solaris receives
> > an NFS mount request Solaris does a reverse lookup
> > of the IP address of the system making the request.
> > The result of the reverse lookup must EXACTLY
> > (including case) match an entry in the exports file.
> > I didn't know this.
>
> I've heard this stated before, and it doesn't match my experience. On
> my Solaris systems, I routinely list hostnames in the exports file
> (actually, /etc/dfs/dfstab) in all lowercase. Yet a reverse lookup of
> any of my clients' IP addresses returns a mixed case
> "host.Berkeley.EDU" result, and all my NFS mounts work.
>
> Note: if you use NIS or NIS+ it may be a different story; I haven't
> used either in several years.
Correct; we are using NIS to specify netgroups; filesystems are NFS
exported to those netgroups. The hostnames in the netgroups need to
match case in reverse DNS or it breaks.
-- ____________________________________________ alex brown computer user support group eecs, uc berkeley------------------------------------------------------------------------ The following was automatically added to this message by the list server:
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