NSS(5) Standards, Environments, and Macros NSS(5)

NAME

nss - configuration file for initgroups

SYNOPSIS

/etc/default/nss

DESCRIPTION

The /etc/default/nss configuration file provides methods for
initgroups(3C) lookup method. The file also provides a method to disable
address sorting by name lookup functions. The file controls the behavior
of the name service switch routines outside of the source database
mappings provided by the /etc/nsswitch.conf file.


/etc/default/nss supports the following options:

NETID_AUTHORITATIVE
Changes the behavior of the name service lookups
to use the netid table in response to the
initgroups() call. By default, initgroups() uses
the group table. When NETID_AUTHORITATIVE is set
to TRUE, initgroups() uses netid as the source for
supplementary groups rather than the group table.

The name service administrator must ensure that
the netid table contains valid supplementary group
information for users. Not all name services can
automatically keep the members listed in the group
table in sync with the netid table.


SORT_ADDRS
If this option is set to FALSE, the sorting of
addresses is disabled on addresses that are
returned by name lookup functions such as
initgroups(), gethostbyname(3NSL),
netdir_getbyname(3NSL), getaddrinfo(3SOCKET), and
getipnodebyname(3SOCKET). Setting this option to
FALSE is useful when the order of addresses
returned by the nameserver needs to be maintained.
To use the DNS round robin feature, for example,
address sorting by name lookup functions should be
disabled.

By default, address sorting is enabled.

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Evolving |
+--------------------+-----------------+

SEE ALSO

initgroups(3C), gethostbyname(3NSL), netdir_getbyname(3NSL),
getaddrinfo(3SOCKET), getipnodebyname(3SOCKET), nsswitch.conf(5),
attributes(7)


February 25, 2017 NSS(5)