Is the Haiku client using NFS3 or NFS4? Prior to NFS4, NFS was an RPC
service, meaning that you didn't know in advance what ports would be
used for communication. This is unworkable on Fedora, which, by
default, comes not only with a restrictice firewall, but also with
SELinux enabled. The firewall blocks traffic on unknown ports, and
the SELinux policy prohibits the NFS server from binding sockets to
those ports even if the firewall is turned off. If the firewall is
turned off, and SELinux is turned off (and, of course, if the
portmapper is running) then a Fedora NFS server should be able to
handle NFS3 clients, otherwise it can only handle NFS4 clients.
Please forgive me if I am telling you things you already know, or
things that are irrelevant because Haiku uses NFS4.
Jay F. Shachter
Pretty sure we are on NFS4.
