o  applications
                           Value: Set of simple-name
    Set of application identifiers, one of which must match the
    application requested. If this attribute value is null, any
    requested application will match.
 o  source end users
                           Value: Set of record
    Set of remote end users for whom this proxy entry applies. An
    unspecified end user implies all end users on the node specified
    in the same record. The record format has two fields: node which
    has a data type of fullname, and end user which has a data type
    of enduserspecification.
 o  target user
    Default: None          Value: Latin1String
    Local user name under which access is granted.
 o  type
    Default: Explicit      Value: Explicit or default
    Type of proxy entry. explicit means that the destination the
    user requested in the connect request must match the target user
    for this entry. default means if no explicit entry matches, this
    entry will be tried. An explicit proxy entry matches before a
    default one.