I'm setting up some NFSv4 shares and am not using kerberos. I know in the NFSv3 days it was recommended to set up /etc/hosts.allow and /etc/hosts.deny as follows. I have 3 questions: -1- is this still needed with nfs4? -2- is this the right list of daemons for NFS v4? -3- what else might be affected by these restrictions? Apache, mysql or samba, for example? I don't want to lock anything but NFS down without full knowledge of the consequences. Thanks! in /etc/hosts.deny disable services for all hosts: portmap:ALL lockd:ALL mountd:ALL rquotad:ALL statd:ALL in /etc/hosts.allow enable the services for trusted hosts: portmap : 192.168.16.13 192.168.16.24 lockd : 192.168.16.13 192.168.16.24 mountd : 192.168.16.13 192.168.16.24 rquotad : 192.168.16.13 192.168.16.24 statd : 192.168.16.13 192.168.16.24