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resolver.3, host.conf.5: host.conf 'order' option deprecated, replaced by nsswitch.conf(5) 

http://www.sourceware.org/bugzilla/show_bug.cgi?id=2389
b9c65d0902

Reported at http://bugs.debian.org/270368,
http://bugs.debian.org/396633, and http://bugs.debian.org/344233.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Simon Paillard 2014-05-17 17:12:09 +02:00 committed by Michael Kerrisk
parent 94a4f58a7a
commit 0921ce4ab0
2 changed files with 24 additions and 20 deletions
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2
man3/resolver.3
View File

@ -90,7 +90,7 @@ The
.BR res_init ()
function reads the configuration files (see
.BR resolv.conf (5))
to get the default domain name, search order and name
to get the default domain name and name
server address(es).
If no server is given, the local host is tried.
If no domain is given, that associated with the local host is used.

42
man5/host.conf.5
View File

@ -23,7 +23,7 @@
.\" %%%LICENSE_END
.\"
.\" 2003-08-23 Martin Schulze <joey@infodrom.org> Updated according to glibc 2.3.2
.TH HOST.CONF 5 2003-08-23 "Linux" "Linux System Administration"
.TH HOST.CONF 5 2014-05-17 "Linux" "Linux System Administration"
.SH NAME
host.conf \- resolver configuration file
.SH DESCRIPTION
@ -32,15 +32,7 @@ The file
contains configuration information specific to the resolver library.
It should contain one configuration keyword per line, followed by
appropriate configuration information.
The keywords recognized are
.IR order ", " trim ", " multi ", " nospoof ", " spoof ", and " reorder .
These keywords are described below.
.TP
.I order
This keyword specifies how host lookups are to be performed.
It should be followed by one or more lookup methods, separated by commas.
Valid methods are
.IR bind ", " hosts ", and " nis .
The following keywords are recognized:
.TP
.I trim
This keyword may be listed more than once.
@ -133,19 +125,14 @@ Reordering is done for all lookup methods.
The default value is
.IR off .
.SH ENVIRONMENT
There are six environment variables that can be used to allow users to
The following environment variables can be used to allow users to
override the behavior which is configured in
.IR /etc/host.conf .
.IR /etc/host.conf :
.TP
.B RESOLV_HOST_CONF
If set, this variable points to a file that should be read instead of
.IR /etc/host.conf .
.TP
.B RESOLV_SERV_ORDER
Overrides the
.I order
command.
.TP
.B RESOLV_SPOOF_CHECK
Overrides the
.IR nospoof ", " spoofalert " and " spoof
@ -196,8 +183,25 @@ and a new environment variable
can take arguments like
.IR off ", " nowarn " and " warn .
Line comments can appear anywhere and not only at the beginning of a line.
.SS Historical
In glibc 2.4 and earlier, the following keyword is recognized:
.TP
.I order
This keyword specifies how host lookups are to be performed.
It should be followed by one or more lookup methods, separated by commas.
Valid methods are
.IR bind ", " hosts ", and " nis .
The
.B RESOLV_SERV_ORDER
environment variable could be used to override the
.I order
command.
.PP
The
.BR nsswitch.conf (5)
file is the modern way of controlling the order of host lookups.
.SH SEE ALSO
.BR gethostbyname (3),
.BR nsswitch.conf (5)
.BR hostname (7),
.BR named (8),
.BR resolv+ (8)
.BR named (8)