BSD 2.11 - man page for resolver (bsd section 5)

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RESOLVER(5)									      RESOLVER(5)

NAME
       resolver - resolver configuration file

SYNOPSIS
       /etc/resolv.conf

DESCRIPTION
       The resolver configuration file contains information that is read by the resolver routines
       the first time they are invoked by a process.  The file is designed to be  human  readable
       and  contains  a  list of name-value pairs that provide various types of resolver informa-
       tion.

       On a normally configured system this file should not be necessary.  The only  name  server
       to  be queried will be on the local machine and the domain name is retrieved from the sys-
       tem.

       The different configuration options are:

       nameserver
	      followed by the Internet address (in dot	notation)  of  a  name	server	that  the
	      resolver	should	query.	 At  least one name server should be listed.  Up to MAXNS
	      (currently 3) name servers may be listed, in that case the resolver library queries
	      tries  them in the order listed.	If no nameserver entries are present, the default
	      is to use the name server on the local machine.  (The algorithm used is  to  try	a
	      name  server,  and if the query times out, try the next, until out of name servers,
	      then repeat trying all the name servers until  a	maximum  number  of  retries  are
	      made).

       domain followed	by  a  domain name, that is the default domain to append to names that do
	      not have a dot in them.  If no domain entries are present, the domain  returned  by
	      gethostname(2) is used (everything after the first `.').	Finally, if the host name
	      does not contain a domain part, the root domain is assumed.

       The name value pair must appear on a single line, and the keyword (e.g.	nameserver)  must
       start the line.	The value follows the keyword, separated by white space.

FILES
       /etc/resolv.conf

SEE ALSO
       gethostbyname(3N), resolver(3), named(8)
       Name Server Operations Guide for BIND

4th Berkeley Distribution		September 14, 1987			      RESOLVER(5)
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