svcorder(4)                    DG/UX R4.11MU05                   svcorder(4)


NAME
       svcorder - file that specifies name/address resolution order

DESCRIPTION
       Use the file /etc/svcorder to configure the order and the means to
       perform name/address resolution.  If the file /etc/svcorder exists,
       it contains one record made up of one or two fields.

       The first field determines the order in which different address
       resolution methods are tried.  This first field consists of any
       combination of a subset of the following values separated by a colon
       (:):

       YP or yp for Network Information Services (NIS)
       RES or res for the resolver
       EHOSTS or ehosts for the /etc/hosts file

       The second field is an optional comment.  You separate the two fields
       with white space, and begin a comment with a # character.

EXAMPLE
       The following line specifies that address resolution should be
       attempted by NIS first.

            yp:ehosts:res

       You can configure NIS so that it uses the domain name system (DNS)
       when it cannot resolve a name/address pair after consulting its own
       database.  Note that DNS must be set up on your system before you can
       use it.  See Managing TCP/IP on the DG/UX System for more information
       on DNS.  You can configure NIS to use DNS in two ways.  You can enter
       the following command line:

            make INTERDOMAIN=-b hosts

       You can also change the "INTERDOMAIN=" line in the /etc/yp/Makefile
       script to read "INTERDOMAIN=-b".  In either case, make sure there is
       no space before or after the equals (=) sign.  The latter method
       enables the domain name system automatically whenever a change is
       made in the hosts map.  For more information, see Chapter 3 in
       Managing ONC/NFS and Its Facilities on the DG/UX System.

       If NIS fails to resolve the address, /etc/hosts is consulted for name
       address resolution.  If /etc/hosts does not produce an answer, the
       domain name system is consulted.

       If the /etc/svcorder file does not exist, the order in which
       different resolution methods are tried is as above.

FILES
       /etc/svcorder

SEE ALSO
       gethostbyname(3N), gethostbyaddr(3N), resolver(3C).


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