Library /sys$common/syshlp/nclhelp.hlb set, session_control, outgoing_proxy  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Default: True          Value: True or false

    Specifies whether to invoke a proxy on outgoing connection
    requests when the user does not explicitly specify to do so.
    If this attribute is set to false, no proxy is invoked.

    Example:

    set session control outgoing proxy false