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NAME    [Toc]    [Back]

     netgroup - defines network groups

SYNOPSIS    [Toc]    [Back]


DESCRIPTION    [Toc]    [Back]

     The netgroup file specifies ``netgroups'', which are sets of
(host, user,
     domain)  tuples that are to be given similar network access.

     Each line in the file consists of a netgroup  name  followed
by a list of
     the  members of the netgroup.  Each member can be either the
name of another
 netgroup or a specification of a tuple as follows:

           (host, user, domain)

     where the host, user, and domain are character string  names
for the corresponding
 component.  Any of the comma separated fields may
be empty to
     specify a ``wildcard'' value or may consist  of  the  single
character ``-''
     to  specify ``no valid value''.  The members of the list may
be separated
     by whitespace; the ``'' character may be used at the end  of
a line to
     specify  line continuation.  The functions specified in getnetgrent(3)
     should normally be used to access the netgroup database.

     These functions operate on the db(3) version of the netgroup
     (netgroup.db)   file  which  can  be  generated  using  netgroup_mkdb(8).  If
     that file is not present, and the system supports NIS,  then
the netgroup
     NIS  maps  are  used.   The  NIS  maps  are also used if the
netgroup file contains
 a ``+'' entry.

     Lines that begin with a `#' are treated as comments.

FILES    [Toc]    [Back]

     /etc/netgroup     default netgroup list
     /etc/netgroup.db  netgroup database

SEE ALSO    [Toc]    [Back]

     getnetgrent(3), exports(5), netgroup_mkdb(8)

STANDARDS    [Toc]    [Back]

     The file format is compatible with that of various  vendors,
although it
     appears that not all vendors use an identical format.

BUGS    [Toc]    [Back]

     The  interpretation of access restrictions based on the member tuples of a
     netgroup is left up to the various network applications.

OpenBSD     3.6                        December     11,      1993
[ Back ]
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