node

    Specifies the name of a network node in the network proxy
    authorization file.

 remote-user

    Specifies the user name or UIC of a user on a remote node. The
    asterisk wildcard character (*) is permitted in the remote-user
    specification.

 local-user

    Specifies the user name of from 1 to 16 users on the local node.
    If no local user is specified, proxy access to all local accounts
    is removed.