[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
> Technical Blog: http://Blog.SoftDux.com
> Office: 087 805 9573
> Cell: 082 554 7532
> 
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