Re: NFS port range

[Petr Janda <elekktretterr@xxxxxxxxxxxxxx>]

Thanks Oliver,
Im just looking at the output of rpcinfo -p and there seems to be a 
whole bunch of ports like portmap , nlockmgr and others. What about them?
Petr


Oliver Fromme wrote:
> Petr Janda wrote:
>  > Im trying to find some page documenting which ports NFS uses. I know it 
>  > uses dynamic ports. Also is there anyway to make the ports static so I 
>  > can just open a few ports in my firewall and thats it.
>
> Basically two port numbers are involved, one for the mount
> protocol, and one for the actual NFS traffic.  The latter
> is always 2049 by convention, but the former is allocated
> dynamically on some port below 1024 by default.  However,
> mountd(8) has an option -p which specifies a fixed port
> number.  So you simply have to start mountd(8) with that
> option and choose a fixed, unused port number below 1024.
> Then allow that port number and 2049 in your firewall.
>
> (Beware:  mountd(8) will terminate with an error message if
> it cannot allocate the specified port number.)
>
> Best regards
>    Oliver
>
>
>