Full Discussion: Change NFS default ports
Operating Systems Solaris Change NFS default ports Post 302885326 by MadeInGermany on Friday 24th of January 2014 05:37:05 PM
You can try to change ports in /etc/services (and apply to all services i.e. reboot).
The idea sounds a bit insane though...
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PORTRESERVE(1)						   TCP port reservation utility 					    PORTRESERVE(1)

NAME
portreserve - reserve ports to prevent portmap mapping them SYNOPSIS
portreserve DESCRIPTION
The portreserve program aims to help services with well-known ports that lie in the bindresvport range. It prevents portmap (or other programs using bindresvport) from occupying a real service's port by occupying it itself, until the real service tells it to release the port (generally in its init script). It is intended that portreserve runs from an initscript of its own, and services wishing to interact with it should use portrelease. When the portreserve daemon is started, it examines the /etc/portreserve/ directory. Each file not containing "." or "~" in its name is considered to be a service configuration file, and must contain a service name (as listed in /etc/services) or a port number. UDP services may be specified by appending "/udp" to the service name, and TCP services by "/tcp". Several services may be specified, one per line. For example, /etc/portreserve/cups might contain the string "ipp" or, equivalently, "ipp/tcp" and "ipp/udp" on separate lines. For each service configuration file, a socket is created and bound to the appropriate port. A service wishing to bind to its port must first run portrelease, which instructs portreserve to release the port associated with the service. Once all the reserved ports have been released, the daemon exits. FILES
/etc/portreserve/* Service configuration files /var/run/portreserve/socket communication socket for portrelease SEE ALSO
portrelease(1) AUTHOR
Tim Waugh <twaugh@redhat.com> Author. portreserve 1 July 2008 PORTRESERVE(1)

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