Concise Guide to DNS and BIND, The

Address Match Lists

Syntax

address_match_list    = 1*address_match_element

     address_match_element = [ "!" ] ( address_match_list /
                                       ip_address / ip_prefix /
                                       acl_name / "key " key_id ) ";"

Definition and Usage

Address match lists are primarily used to determine access control for various server operations. They are also used to define priorities for querying other nameservers and to set the addresses on which named will listen for queries. The elements which constitute an address match list can be any of the following:

• An ip-address (in dotted-decimal notation)

• An ip-prefix (in the /-notation)

• A key_id, as defined by the key statement

• The name of an address match list previously defined with the acl statement

• Another address_match_list

Elements can ...