RADIUS attribute from rfc2865

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Framed-AppleTalk-Zone

This Attribute indicates the AppleTalk Default Zone to be used for
      this user.  It is only used in Access-Accept packets.  Multiple
      instances of this attribute in the same packet are not allowed.A summary of the Framed-AppleTalk-Zone Attribute format is shown
   below.  The fields are transmitted from left to right.

    0                   1                   2
    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
   |     Type      |    Length     |  String ...
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

   Type

      39 for Framed-AppleTalk-Zone.

   Length

      >= 3

   String

      The name of the Default AppleTalk Zone to be used for this user.
      A robust implementation SHOULD support the field as
      undistinguished octets.

      The codification of the range of allowed usage of this field is
      outside the scope of this specification.

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