Why can't I NFS-mount from a Sun box?

[an error occurred while processing this directive] Frequently Asked Questions for FreeBSD 2.X : Networking : Why can't I NFS-mount from a Sun box?
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10.9. Why can't I NFS-mount from a Sun box?

Sun workstations running SunOS 4.X only accept mount requests from a priviledged port; try

            mount -o -P sunbox:/blah /mnt

Frequently Asked Questions for FreeBSD 2.X : Networking : Why can't I NFS-mount from a Sun box?
Previous: Why can't I NFS-mount from a Linux box?
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