[CentOS] NFS client firewall config?
Per Qvindesland
per at norhex.com
Thu Feb 18 11:08:42 UTC 2010
Hi
You need 2 ports open 2049/udp 2049/tcp but you should read this little
howto
http://www.cyberciti.biz/faq/centos-fedora-rhel-iptables-open-nfs-server-ports/
Per
On Thu, 2010-02-18 at 13:00 +0200, Rudi Ahlers wrote:
> Hi all,
>
>
> Which ports do I need to have open on an NFS client's firewall to
> allow it to connect to a remote NFS servers?
>
>
> When I disable iptables (using ConfigServerFirewall), it connects
> fine, but as soon as I enable it, NFS gives me this error:
> root at saturn:[~]$ mount master1.mydomain.co.za:/saturn /bck
> mount: mount to NFS server 'master1.mydomain.co.za' failed: RPC Error:
> Unable to send.
>
>
> I have added ports 111 & 2049 in both the TCP & UDP ingres & exgress
> ranges, but that doesn't seem to help. portmap & nfs is running as
> well. But as I say, as soon as I disable the firewall, it mounts
> fine.
>
>
> Google search results reveal a lot of different ports, like 4000:4004,
> 83xxxx (something, I forgot) but it still doesn't help.
>
>
>
>
> root at saturn:[~]$ rpcinfo -p
> program vers proto port
> 100000 2 tcp 111 portmapper
> 100000 2 udp 111 portmapper
> 100021 1 udp 48996 nlockmgr
> 100021 3 udp 48996 nlockmgr
> 100021 4 udp 48996 nlockmgr
> 100021 1 tcp 47195 nlockmgr
> 100021 3 tcp 47195 nlockmgr
> 100021 4 tcp 47195 nlockmgr
> 100011 1 udp 4004 rquotad
> 100011 2 udp 4004 rquotad
> 100011 1 tcp 4004 rquotad
> 100011 2 tcp 4004 rquotad
> 100003 2 udp 2049 nfs
> 100003 3 udp 2049 nfs
> 100003 4 udp 2049 nfs
> 100003 2 tcp 2049 nfs
> 100003 3 tcp 2049 nfs
> 100003 4 tcp 2049 nfs
> 100005 1 udp 4003 mountd
> 100005 1 tcp 4003 mountd
> 100005 2 udp 4003 mountd
> 100005 2 tcp 4003 mountd
> 100005 3 udp 4003 mountd
> 100005 3 tcp 4003 mountd
>
>
>
>
> --
> Kind Regards
> Rudi Ahlers
> SoftDux
>
> Website: http://www.SoftDux.com
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>
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