[ale] NFS as a hair-loss enhancer

[Yu, Jerry]

My previous experience  is I have to put entry in server's /etc/hosts or
/etc/inet/hosts for the client. nslookup result, succesful telnet doesnot
matter. And, you  even need to be careful what the server think the
client's name is and add that into the hosts file instead of the hostname
name or the hostname.domain  you think it should be. To do that,
suggestion from deja is, telnet from client to the server, do a 'last'
or 'who -l' on the server to pinpoint the client's hostname in server's
eyes.

 This is from my experience with  Solaris 2.5, SCO openserver
5. Probably
NFS is not really rely on DNS look up. Since NFS is such a 'trust'-based
protocol...
somebody know the protocol and/or implementation of NFS should be able to
tell us exactly why.

On Sat, 1 Jul 2000, Joe Knapka wrote:

#I don't know what I did, but suddenly it works. Any insight
#into what might have been the problem is still appreciated.
#
#-- Joe
#
#Joe Knapka wrote:
#
#> Hi, everyone,
#>
#> I know I'm missing something obvious; hopefully the act of
#> sending this email and exposing my ignorance will immediately
#> cause the veil to be drawn from my eyes...
#>
#> I'm trying to install Slackware onto a machine via NFS. My problem
#> is that no matter what I do, my NFS server refuses permission to
#> the client. The contents of hosts.allow and hosts.deny are completely
#> irrelevant, it seems; rpc.mountd always just says:
#>
#> <Some stuff about being unable to resolve the client host name,
#> which is curious since nslookup resolves it just fine>
#> Blocked attempt of <client address> to mount /export
#>
#> and the client says
#>
#> mount: whyme:/export failed. Reason given by server: Permission denied
#>
#> /export is exported to my local net in /etc/exports, exporfs has been
#> run, and (at present) hosts.deny is empty and hosts.allow says:
#>
#> # It's not obvious whether the "rpc." prefix is necessary...
#> portmap: ALL
#> rpc.portmap: ALL
#> mountd: ALL
#> rpc.mountd: ALL
#>
#> This behavior occurs even if rpc.mountd is started in
#> "promiscuous" mode.
#> I have tried every conceivable combination of permissions in
#> hosts.allow and hosts.deny.
#> I have tried mounting from different machines, including the
#> NFS server itself, always with the same exact results. The
#> NFS HOWTO was unhelpful. Can anyone spare a clue?
#>
#> Thanks,
#>
#> -- Joe Knapka
#> (now relocated from west GA to El Paso, TX)
#>
#> --
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#
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Jerry Yu				mailto: z.yu at ptek.com
Systems Engineer			https://punch/~zyu
PTEK Holdings, Inc.			+1-404-262-8544 (O)

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