by siyb

When upgrading all computers on my network yesterday, after coming home from a 3 month leave, I discovered that my NFS shares did not allow access from the NFS clients they served so well for the past 3 years. One quick look at the Debian bugtracker confirmed my first apprehension that this strange behavior was due to a bug in the most recent version.

cat /proc/mounts

revealed that the ’sec’ option was set to ‘null’. Adding the extra mount option sec=sys to the NFS shares on you NFS clients in /etc/fstab should restore the default behavior and enable you to access your shares properly again.