What am I not understanding about /etc/exports?

[Giorgos Keramidas]

On 2007-04-06 11:36, David Benfell <benfell at parts-unknown.org> wrote:
> Hello all,
> 
> My /etc/exports contains:
> 
> / -alldirs -maproot=root 127.0.0.1
> #/usr/src -alldirs -maproot=root 127.0.0.1 192.168.19.1
> /usr -alldirs -maproot=root 127.0.0.1 192.168.19.1
> /public -alldirs -maproot=root 127.0.0.1 192.168.18.45 192.168.18.46 192.168.19.1
> /home -alldirs -maproot=root 127.0.0.1 192.168.18.45 192.168.18.46 192.168.19.1
> /cdrom -alldirs,quiet,ro 127.0.0.1 -network 192.168 -mask 255.255.0.0
> 
> Yet:
> mountd[735]: mount request denied from 192.168.19.1 for /usr/ports/distfiles
> 
> And more recently,
> 
> lupin% sudo showmount -e earth.cybernude.org
> RPC: Port mapper failure
> showmount: can't do exports rpc
> 
> What's going on?  Thanks!

Do you have /etc/hosts.allow and /etc/hosts.deny files?

If yes, what do they contain?