* Premission denied
@ 2003-10-29 9:59 Gareth
2003-10-29 21:58 ` Chip Salzenberg
0 siblings, 1 reply; 7+ messages in thread
From: Gareth @ 2003-10-29 9:59 UTC (permalink / raw)
To: nfs
Hi Guys
I'm trying to install Debian on a Cobalt Raq2, this is installed using NFS
running on a remote server, but am having problems with NFS. I can't even
mount an NFS drive locally.
I'm running RH8.0, and nfs-utils 1.0.6.
I've got the following entries in my /etc/export file
/nfsroot 192.168.17.0/255.255.255.0(ro)
/mnt/nfsroot 192.168.17.0/255.255.255.0(ro)
My hosts.allow and hosts.deny are completely empty, I assume this allows
everyone and anyone access. I have also disabled my firewall, iptables
during testing.
When I run 'showmount -e localhost', nothing is returned :-(
I am running 'exportfs -ra' after making changes to /etc/exports.
Running 'rpcinfo -p' produces the following....
program vers proto port
100000 2 tcp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 32768 status
100024 1 tcp 32768 status
391002 2 tcp 32769 sgi_fam
100011 1 udp 849 rquotad
100011 2 udp 849 rquotad
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100021 1 udp 32788 nlockmgr
100021 3 udp 32788 nlockmgr
100021 4 udp 32788 nlockmgr
100005 1 udp 867 mountd
100005 1 tcp 870 mountd
100005 2 udp 867 mountd
100005 2 tcp 870 mountd
100005 3 udp 867 mountd
100005 3 tcp 870 mountd
When I try to mount an NFS drive (even locally), I get the following error
on the screen...
# mount paris:/nfsroot /tmp/test
mount: paris:/nfsroot failed, reason given by server: Permission denied
In /var/log/messages, I get...
Oct 29 09:25:44 paris rpc.mountd: Fake hostname paris.bim for 192.168.17.4
- forward lookup doesn't match reverse
Oct 29 09:25:44 paris rpc.mountd: refused mount request from 192.168.17.4
for /nfsroot (/): no export entry
Oct 29 09:29:09 paris rpc.mountd: export request from 127.0.0.1
Oct 29 09:39:37 paris rpc.mountd: refused mount request from paris.bim for
/nfsroot (/): no export entry
Someone at work suggested its a reverse DNS problem... but running
nslookup hostname returns my IP address, and vice versa.
Sorry this post is long... has anyone got any useful suggestions?
Gareth
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^ permalink raw reply [flat|nested] 7+ messages in thread* Re: Premission denied
2003-10-29 9:59 Premission denied Gareth
@ 2003-10-29 21:58 ` Chip Salzenberg
2003-10-29 22:46 ` Gareth
2003-10-30 5:24 ` Neil Brown
0 siblings, 2 replies; 7+ messages in thread
From: Chip Salzenberg @ 2003-10-29 21:58 UTC (permalink / raw)
To: Gareth; +Cc: nfs
According to Gareth:
> Oct 29 09:25:44 paris rpc.mountd: Fake hostname paris.bim for 192.168.17.4
> - forward lookup doesn't match reverse
> Oct 29 09:25:44 paris rpc.mountd: refused mount request from 192.168.17.4
> for /nfsroot (/): no export entry
> Oct 29 09:29:09 paris rpc.mountd: export request from 127.0.0.1
> Oct 29 09:39:37 paris rpc.mountd: refused mount request from paris.bim for
> /nfsroot (/): no export entry
You have two failures there. One says DNS, the other doesn't.
> Someone at work suggested its a reverse DNS problem... but running
> nslookup hostname returns my IP address, and vice versa.
The log says there was a reverse DNS problem. It says it clearly,
right there in the log. Are you suggesting that it's lying?
"The error message! Read the error message!"
--
Chip Salzenberg - a.k.a. - <chip@pobox.com>
"I wanted to play hopscotch with the impenetrable mystery of existence,
but he stepped in a wormhole and had to go in early." // MST3K
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^ permalink raw reply [flat|nested] 7+ messages in thread* RE: Premission denied
2003-10-29 21:58 ` Chip Salzenberg
@ 2003-10-29 22:46 ` Gareth
2003-10-29 22:49 ` Chip Salzenberg
2003-10-30 5:24 ` Neil Brown
1 sibling, 1 reply; 7+ messages in thread
From: Gareth @ 2003-10-29 22:46 UTC (permalink / raw)
To: nfs; +Cc: Chip Salzenberg
> -----Original Message-----
> From: Chip Salzenberg
> > Oct 29 09:25:44 paris rpc.mountd: Fake hostname paris.bim for
> 192.168.17.4
> > - forward lookup doesn't match reverse
> > Oct 29 09:25:44 paris rpc.mountd: refused mount request from
> 192.168.17.4
> > for /nfsroot (/): no export entry
> > Oct 29 09:29:09 paris rpc.mountd: export request from 127.0.0.1
> > Oct 29 09:39:37 paris rpc.mountd: refused mount request from
> paris.bim for
> > /nfsroot (/): no export entry
>
> You have two failures there. One says DNS, the other doesn't.
>
> > Someone at work suggested its a reverse DNS problem... but running
> > nslookup hostname returns my IP address, and vice versa.
>
> The log says there was a reverse DNS problem. It says it clearly,
> right there in the log. Are you suggesting that it's lying?
LOL! Of course I'm not saying its lying...LOL
I read the log file too... but I'm not sure why the error is there, given a
reverse lookup works fine. It's also the first time the error appeared,
despite hours of testing - and it hasn't reappeared since.
Gareth
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Premission denied
2003-10-29 22:46 ` Gareth
@ 2003-10-29 22:49 ` Chip Salzenberg
0 siblings, 0 replies; 7+ messages in thread
From: Chip Salzenberg @ 2003-10-29 22:49 UTC (permalink / raw)
To: Gareth; +Cc: nfs
According to Gareth:
> I'm not sure why the error is there, given a reverse lookup works
> fine. It's also the first time the error appeared, despite hours of
> testing - and it hasn't reappeared since.
Transient DNS failures are not unheard of. :-,
--
Chip Salzenberg - a.k.a. - <chip@pobox.com>
"I wanted to play hopscotch with the impenetrable mystery of existence,
but he stepped in a wormhole and had to go in early." // MST3K
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Re: Premission denied
2003-10-29 21:58 ` Chip Salzenberg
2003-10-29 22:46 ` Gareth
@ 2003-10-30 5:24 ` Neil Brown
2003-10-30 11:58 ` Gareth
1 sibling, 1 reply; 7+ messages in thread
From: Neil Brown @ 2003-10-30 5:24 UTC (permalink / raw)
To: Chip Salzenberg; +Cc: Gareth, nfs
On Wednesday October 29, chip@pobox.com wrote:
> According to Gareth:
> > Oct 29 09:25:44 paris rpc.mountd: Fake hostname paris.bim for 192.168.17.4
> > - forward lookup doesn't match reverse
> > Oct 29 09:25:44 paris rpc.mountd: refused mount request from 192.168.17.4
> > for /nfsroot (/): no export entry
> > Oct 29 09:29:09 paris rpc.mountd: export request from 127.0.0.1
> > Oct 29 09:39:37 paris rpc.mountd: refused mount request from paris.bim for
> > /nfsroot (/): no export entry
>
> You have two failures there. One says DNS, the other doesn't.
>
> > Someone at work suggested its a reverse DNS problem... but running
> > nslookup hostname returns my IP address, and vice versa.
>
> The log says there was a reverse DNS problem. It says it clearly,
> right there in the log. Are you suggesting that it's lying?
Funny, but I don't see the letters "DNS" in the log at all :-)
What does /etc/nsswitch.conf say about hosts? Does "files" come before
"dns"?
If so, what does
grep 192.168.17.4 /etc/hosts | head -1
show? Presumably paris.bim.
But what does
grep paris.bim /etc/hosts | head -1
show? My guest is *not* 192.168.17.4
NeilBrown
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Re: Premission denied
2003-10-30 5:24 ` Neil Brown
@ 2003-10-30 11:58 ` Gareth
2003-10-31 1:19 ` Neil Brown
0 siblings, 1 reply; 7+ messages in thread
From: Gareth @ 2003-10-30 11:58 UTC (permalink / raw)
To: Neil Brown; +Cc: nfs
>> > Someone at work suggested its a reverse DNS problem... but running
>> > nslookup hostname returns my IP address, and vice versa.
>>
>> The log says there was a reverse DNS problem. It says it clearly,
>> right there in the log. Are you suggesting that it's lying?
>
> Funny, but I don't see the letters "DNS" in the log at all :-)
>
> What does /etc/nsswitch.conf say about hosts? Does "files" come before
> "dns"?
files is before dns...
the only entries in my /etc/hosts are...
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
192.168.17.4 paris.bim paris
does that look okay?
Gareth
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: Re: Premission denied
2003-10-30 11:58 ` Gareth
@ 2003-10-31 1:19 ` Neil Brown
0 siblings, 0 replies; 7+ messages in thread
From: Neil Brown @ 2003-10-31 1:19 UTC (permalink / raw)
To: Gareth; +Cc: nfs
On Thursday October 30, gareth@bim7.com wrote:
> >> > Someone at work suggested its a reverse DNS problem... but running
> >> > nslookup hostname returns my IP address, and vice versa.
> >>
> >> The log says there was a reverse DNS problem. It says it clearly,
> >> right there in the log. Are you suggesting that it's lying?
> >
> > Funny, but I don't see the letters "DNS" in the log at all :-)
> >
> > What does /etc/nsswitch.conf say about hosts? Does "files" come before
> > "dns"?
>
> files is before dns...
>
> the only entries in my /etc/hosts are...
>
> # Do not remove the following line, or various programs
> # that require network functionality will fail.
> 127.0.0.1 localhost.localdomain localhost
> 192.168.17.4 paris.bim paris
>
> does that look okay?
Yes it does. Which makes it all very strange.
Looking back at the original message: if /etc/exports is
/nfsroot 192.168.17.0/255.255.255.0(ro)
/mnt/nfsroot 192.168.17.0/255.255.255.0(ro)
then hostname lookup shouldn't matter.
Also:
Oct 29 09:25:44 paris rpc.mountd: Fake hostname paris.bim for 192.168.17.4 - forward lookup doesn't match reverse
Oct 29 09:25:44 paris rpc.mountd: refused mount request from 192.168.17.4 for /nfsroot (/): no export entry
Oct 29 09:29:09 paris rpc.mountd: export request from 127.0.0.1
Oct 29 09:39:37 paris rpc.mountd: refused mount request from paris.bim for /nfsroot (/): no export entry
seems to indicate that at 09:39:37 hostname lookup did the right
thing.
But either way, "no export entry" was found.
What is in /var/lib/nfs/?tab ??
NeilBrown
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^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2003-10-31 1:19 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2003-10-29 9:59 Premission denied Gareth
2003-10-29 21:58 ` Chip Salzenberg
2003-10-29 22:46 ` Gareth
2003-10-29 22:49 ` Chip Salzenberg
2003-10-30 5:24 ` Neil Brown
2003-10-30 11:58 ` Gareth
2003-10-31 1:19 ` Neil Brown
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