This defines a destination port to which RADIUS dynamic authorisation requests are sent. There is no default. This allows modules, such as AuthBy DYNAUTH, to provide a per request value that is not overwritten by this parameter. When set, a common value is 3799.

# Certain vendor may default to non-standard port
<Client 172.3.2.2>
      Secret 666obaFGkmRNs666
      DynAuthPort 1700
</Client>