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24 <a name="id2476275"></a><div class="titlepage"></div>
25 <div class="refnamediv">
27 <p><code class="filename">named.conf</code> — configuration file for named</p>
29 <div class="refsynopsisdiv">
31 <div class="cmdsynopsis"><p><code class="command">named.conf</code> </p></div>
33 <div class="refsect1" lang="en">
34 <a name="id2543352"></a><h2>DESCRIPTION</h2>
35 <p><code class="filename">named.conf</code> is the configuration file
37 <span><strong class="command">named</strong></span>. Statements are enclosed
38 in braces and terminated with a semi-colon. Clauses in
39 the statements are also semi-colon terminated. The usual
40 comment styles are supported:
46 C++ style: // to end of line
49 Unix style: # to end of line
52 <div class="refsect1" lang="en">
53 <a name="id2543380"></a><h2>ACL</h2>
54 <div class="literallayout"><p><br>
55 acl <em class="replaceable"><code>string</code></em> { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
59 <div class="refsect1" lang="en">
60 <a name="id2543396"></a><h2>KEY</h2>
61 <div class="literallayout"><p><br>
62 key <em class="replaceable"><code>domain_name</code></em> {<br>
63 algorithm <em class="replaceable"><code>string</code></em>;<br>
64 secret <em class="replaceable"><code>string</code></em>;<br>
68 <div class="refsect1" lang="en">
69 <a name="id2543415"></a><h2>MASTERS</h2>
70 <div class="literallayout"><p><br>
71 masters <em class="replaceable"><code>string</code></em> [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
72 ( <em class="replaceable"><code>masters</code></em> | <em class="replaceable"><code>ipv4_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
73 <em class="replaceable"><code>ipv6_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] ) [<span class="optional"> key <em class="replaceable"><code>string</code></em> </span>]; ...<br>
77 <div class="refsect1" lang="en">
78 <a name="id2543461"></a><h2>SERVER</h2>
79 <div class="literallayout"><p><br>
80 server ( <em class="replaceable"><code>ipv4_address[<span class="optional">/prefixlen</span>]</code></em> | <em class="replaceable"><code>ipv6_address[<span class="optional">/prefixlen</span>]</code></em> ) {<br>
81 bogus <em class="replaceable"><code>boolean</code></em>;<br>
82 edns <em class="replaceable"><code>boolean</code></em>;<br>
83 edns-udp-size <em class="replaceable"><code>integer</code></em>;<br>
84 max-udp-size <em class="replaceable"><code>integer</code></em>;<br>
85 provide-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
86 request-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
87 keys <em class="replaceable"><code>server_key</code></em>;<br>
88 transfers <em class="replaceable"><code>integer</code></em>;<br>
89 transfer-format ( many-answers | one-answer );<br>
90 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
91 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
92 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
93 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
95 support-ixfr <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
99 <div class="refsect1" lang="en">
100 <a name="id2543529"></a><h2>TRUSTED-KEYS</h2>
101 <div class="literallayout"><p><br>
103 <em class="replaceable"><code>domain_name</code></em> <em class="replaceable"><code>flags</code></em> <em class="replaceable"><code>protocol</code></em> <em class="replaceable"><code>algorithm</code></em> <em class="replaceable"><code>key</code></em>; ... <br>
107 <div class="refsect1" lang="en">
108 <a name="id2543555"></a><h2>MANAGED-KEYS</h2>
109 <div class="literallayout"><p><br>
111 <em class="replaceable"><code>domain_name</code></em> <code class="constant">initial-key</code> <em class="replaceable"><code>flags</code></em> <em class="replaceable"><code>protocol</code></em> <em class="replaceable"><code>algorithm</code></em> <em class="replaceable"><code>key</code></em>; ... <br>
115 <div class="refsect1" lang="en">
116 <a name="id2543584"></a><h2>CONTROLS</h2>
117 <div class="literallayout"><p><br>
119 inet ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
120 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>]<br>
121 allow { <em class="replaceable"><code>address_match_element</code></em>; ... }<br>
122 [<span class="optional"> keys { <em class="replaceable"><code>string</code></em>; ... } </span>];<br>
123 unix <em class="replaceable"><code>unsupported</code></em>; // not implemented<br>
127 <div class="refsect1" lang="en">
128 <a name="id2543619"></a><h2>LOGGING</h2>
129 <div class="literallayout"><p><br>
131 channel <em class="replaceable"><code>string</code></em> {<br>
132 file <em class="replaceable"><code>log_file</code></em>;<br>
133 syslog <em class="replaceable"><code>optional_facility</code></em>;<br>
136 severity <em class="replaceable"><code>log_severity</code></em>;<br>
137 print-time <em class="replaceable"><code>boolean</code></em>;<br>
138 print-severity <em class="replaceable"><code>boolean</code></em>;<br>
139 print-category <em class="replaceable"><code>boolean</code></em>;<br>
141 category <em class="replaceable"><code>string</code></em> { <em class="replaceable"><code>string</code></em>; ... };<br>
145 <div class="refsect1" lang="en">
146 <a name="id2543657"></a><h2>LWRES</h2>
147 <div class="literallayout"><p><br>
149 listen-on [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
150 ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> ) [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ...<br>
152 view <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em>;<br>
153 search { <em class="replaceable"><code>string</code></em>; ... };<br>
154 ndots <em class="replaceable"><code>integer</code></em>;<br>
158 <div class="refsect1" lang="en">
159 <a name="id2543699"></a><h2>OPTIONS</h2>
160 <div class="literallayout"><p><br>
162 avoid-v4-udp-ports { <em class="replaceable"><code>port</code></em>; ... };<br>
163 avoid-v6-udp-ports { <em class="replaceable"><code>port</code></em>; ... };<br>
164 blackhole { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
165 coresize <em class="replaceable"><code>size</code></em>;<br>
166 datasize <em class="replaceable"><code>size</code></em>;<br>
167 directory <em class="replaceable"><code>quoted_string</code></em>;<br>
168 dump-file <em class="replaceable"><code>quoted_string</code></em>;<br>
169 files <em class="replaceable"><code>size</code></em>;<br>
170 heartbeat-interval <em class="replaceable"><code>integer</code></em>;<br>
171 host-statistics <em class="replaceable"><code>boolean</code></em>; // not implemented<br>
172 host-statistics-max <em class="replaceable"><code>number</code></em>; // not implemented<br>
173 hostname ( <em class="replaceable"><code>quoted_string</code></em> | none );<br>
174 interface-interval <em class="replaceable"><code>integer</code></em>;<br>
175 listen-on [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
176 listen-on-v6 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
177 match-mapped-addresses <em class="replaceable"><code>boolean</code></em>;<br>
178 memstatistics-file <em class="replaceable"><code>quoted_string</code></em>;<br>
179 pid-file ( <em class="replaceable"><code>quoted_string</code></em> | none );<br>
180 port <em class="replaceable"><code>integer</code></em>;<br>
181 querylog <em class="replaceable"><code>boolean</code></em>;<br>
182 recursing-file <em class="replaceable"><code>quoted_string</code></em>;<br>
183 reserved-sockets <em class="replaceable"><code>integer</code></em>;<br>
184 random-device <em class="replaceable"><code>quoted_string</code></em>;<br>
185 recursive-clients <em class="replaceable"><code>integer</code></em>;<br>
186 serial-query-rate <em class="replaceable"><code>integer</code></em>;<br>
187 server-id ( <em class="replaceable"><code>quoted_string</code></em> | none |;<br>
188 stacksize <em class="replaceable"><code>size</code></em>;<br>
189 statistics-file <em class="replaceable"><code>quoted_string</code></em>;<br>
190 statistics-interval <em class="replaceable"><code>integer</code></em>; // not yet implemented<br>
191 tcp-clients <em class="replaceable"><code>integer</code></em>;<br>
192 tcp-listen-queue <em class="replaceable"><code>integer</code></em>;<br>
193 tkey-dhkey <em class="replaceable"><code>quoted_string</code></em> <em class="replaceable"><code>integer</code></em>;<br>
194 tkey-gssapi-credential <em class="replaceable"><code>quoted_string</code></em>;<br>
195 tkey-gssapi-keytab <em class="replaceable"><code>quoted_string</code></em>;<br>
196 tkey-domain <em class="replaceable"><code>quoted_string</code></em>;<br>
197 transfers-per-ns <em class="replaceable"><code>integer</code></em>;<br>
198 transfers-in <em class="replaceable"><code>integer</code></em>;<br>
199 transfers-out <em class="replaceable"><code>integer</code></em>;<br>
200 use-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
201 version ( <em class="replaceable"><code>quoted_string</code></em> | none );<br>
202 allow-recursion { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
203 allow-recursion-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
204 sortlist { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
205 topology { <em class="replaceable"><code>address_match_element</code></em>; ... }; // not implemented<br>
206 auth-nxdomain <em class="replaceable"><code>boolean</code></em>; // default changed<br>
207 minimal-responses <em class="replaceable"><code>boolean</code></em>;<br>
208 recursion <em class="replaceable"><code>boolean</code></em>;<br>
210 [<span class="optional"> class <em class="replaceable"><code>string</code></em> </span>] [<span class="optional"> type <em class="replaceable"><code>string</code></em> </span>]<br>
211 [<span class="optional"> name <em class="replaceable"><code>quoted_string</code></em> </span>] <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>string</code></em>; ...<br>
213 provide-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
214 request-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
215 rfc2308-type1 <em class="replaceable"><code>boolean</code></em>; // not yet implemented<br>
216 additional-from-auth <em class="replaceable"><code>boolean</code></em>;<br>
217 additional-from-cache <em class="replaceable"><code>boolean</code></em>;<br>
218 query-source ( ( <em class="replaceable"><code>ipv4_address</code></em> | * ) | [<span class="optional"> address ( <em class="replaceable"><code>ipv4_address</code></em> | * ) </span>] ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
219 query-source-v6 ( ( <em class="replaceable"><code>ipv6_address</code></em> | * ) | [<span class="optional"> address ( <em class="replaceable"><code>ipv6_address</code></em> | * ) </span>] ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
220 use-queryport-pool <em class="replaceable"><code>boolean</code></em>;<br>
221 queryport-pool-ports <em class="replaceable"><code>integer</code></em>;<br>
222 queryport-pool-updateinterval <em class="replaceable"><code>integer</code></em>;<br>
223 cleaning-interval <em class="replaceable"><code>integer</code></em>;<br>
224 resolver-query-timeout <em class="replaceable"><code>integer</code></em>;<br>
225 min-roots <em class="replaceable"><code>integer</code></em>; // not implemented<br>
226 lame-ttl <em class="replaceable"><code>integer</code></em>;<br>
227 max-ncache-ttl <em class="replaceable"><code>integer</code></em>;<br>
228 max-cache-ttl <em class="replaceable"><code>integer</code></em>;<br>
229 transfer-format ( many-answers | one-answer );<br>
230 max-cache-size <em class="replaceable"><code>size</code></em>;<br>
231 max-acache-size <em class="replaceable"><code>size</code></em>;<br>
232 clients-per-query <em class="replaceable"><code>number</code></em>;<br>
233 max-clients-per-query <em class="replaceable"><code>number</code></em>;<br>
234 check-names ( master | slave | response )<br>
235 ( fail | warn | ignore );<br>
236 check-mx ( fail | warn | ignore );<br>
237 check-integrity <em class="replaceable"><code>boolean</code></em>;<br>
238 check-mx-cname ( fail | warn | ignore );<br>
239 check-srv-cname ( fail | warn | ignore );<br>
240 cache-file <em class="replaceable"><code>quoted_string</code></em>; // test option<br>
241 suppress-initial-notify <em class="replaceable"><code>boolean</code></em>; // not yet implemented<br>
242 preferred-glue <em class="replaceable"><code>string</code></em>;<br>
243 dual-stack-servers [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
244 ( <em class="replaceable"><code>quoted_string</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
245 <em class="replaceable"><code>ipv4_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
246 <em class="replaceable"><code>ipv6_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] ); ...<br>
248 edns-udp-size <em class="replaceable"><code>integer</code></em>;<br>
249 max-udp-size <em class="replaceable"><code>integer</code></em>;<br>
250 root-delegation-only [<span class="optional"> exclude { <em class="replaceable"><code>quoted_string</code></em>; ... } </span>];<br>
251 disable-algorithms <em class="replaceable"><code>string</code></em> { <em class="replaceable"><code>string</code></em>; ... };<br>
252 dnssec-enable <em class="replaceable"><code>boolean</code></em>;<br>
253 dnssec-validation <em class="replaceable"><code>boolean</code></em>;<br>
254 dnssec-lookaside <em class="replaceable"><code>string</code></em> trust-anchor <em class="replaceable"><code>string</code></em>;<br>
255 dnssec-lookaside ( <em class="replaceable"><code>auto</code></em> | <em class="replaceable"><code>domain</code></em> trust-anchor <em class="replaceable"><code>domain</code></em> );<br>
256 dnssec-must-be-secure <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>boolean</code></em>;<br>
257 dnssec-accept-expired <em class="replaceable"><code>boolean</code></em>;<br>
259 dns64-server <em class="replaceable"><code>string</code></em>;<br>
260 dns64-contact <em class="replaceable"><code>string</code></em>;<br>
261 dns64 <em class="replaceable"><code>prefix</code></em> {<br>
262 clients { <font color="red"><replacable>acl</replacable></font>; };<br>
263 exclude { <font color="red"><replacable>acl</replacable></font>; };<br>
264 mapped { <font color="red"><replacable>acl</replacable></font>; };<br>
265 break-dnssec <em class="replaceable"><code>boolean</code></em>;<br>
266 recursive-only <em class="replaceable"><code>boolean</code></em>;<br>
267 suffix <em class="replaceable"><code>ipv6_address</code></em>;<br>
270 empty-server <em class="replaceable"><code>string</code></em>;<br>
271 empty-contact <em class="replaceable"><code>string</code></em>;<br>
272 empty-zones-enable <em class="replaceable"><code>boolean</code></em>;<br>
273 disable-empty-zone <em class="replaceable"><code>string</code></em>;<br>
275 dialup <em class="replaceable"><code>dialuptype</code></em>;<br>
276 ixfr-from-differences <em class="replaceable"><code>ixfrdiff</code></em>;<br>
278 allow-query { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
279 allow-query-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
280 allow-query-cache { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
281 allow-query-cache-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
282 allow-transfer { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
283 allow-update { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
284 allow-update-forwarding { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
285 update-check-ksk <em class="replaceable"><code>boolean</code></em>;<br>
286 dnssec-dnskey-kskonly <em class="replaceable"><code>boolean</code></em>;<br>
288 masterfile-format ( text | raw );<br>
289 notify <em class="replaceable"><code>notifytype</code></em>;<br>
290 notify-source ( <em class="replaceable"><code>ipv4_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
291 notify-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
292 notify-delay <em class="replaceable"><code>seconds</code></em>;<br>
293 notify-to-soa <em class="replaceable"><code>boolean</code></em>;<br>
294 also-notify [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] { ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> )<br>
295 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ... };<br>
296 allow-notify { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
298 forward ( first | only );<br>
299 forwarders [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
300 ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> ) [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ...<br>
303 max-journal-size <em class="replaceable"><code>size_no_default</code></em>;<br>
304 max-transfer-time-in <em class="replaceable"><code>integer</code></em>;<br>
305 max-transfer-time-out <em class="replaceable"><code>integer</code></em>;<br>
306 max-transfer-idle-in <em class="replaceable"><code>integer</code></em>;<br>
307 max-transfer-idle-out <em class="replaceable"><code>integer</code></em>;<br>
308 max-retry-time <em class="replaceable"><code>integer</code></em>;<br>
309 min-retry-time <em class="replaceable"><code>integer</code></em>;<br>
310 max-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
311 min-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
312 multi-master <em class="replaceable"><code>boolean</code></em>;<br>
314 sig-validity-interval <em class="replaceable"><code>integer</code></em>;<br>
315 sig-re-signing-interval <em class="replaceable"><code>integer</code></em>;<br>
316 sig-signing-nodes <em class="replaceable"><code>integer</code></em>;<br>
317 sig-signing-signatures <em class="replaceable"><code>integer</code></em>;<br>
318 sig-signing-type <em class="replaceable"><code>integer</code></em>;<br>
320 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
321 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
322 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
323 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
325 alt-transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
326 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
327 alt-transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
328 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
329 use-alt-transfer-source <em class="replaceable"><code>boolean</code></em>;<br>
331 zone-statistics <em class="replaceable"><code>boolean</code></em>;<br>
332 key-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
333 managed-keys-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
334 auto-dnssec <code class="constant">allow</code>|<code class="constant">maintain</code>|<code class="constant">create</code>|<code class="constant">off</code>;<br>
335 try-tcp-refresh <em class="replaceable"><code>boolean</code></em>;<br>
336 zero-no-soa-ttl <em class="replaceable"><code>boolean</code></em>;<br>
337 zero-no-soa-ttl-cache <em class="replaceable"><code>boolean</code></em>;<br>
338 dnssec-secure-to-insecure <em class="replaceable"><code>boolean</code></em>;<br>
339 deny-answer-addresses {<br>
340 <em class="replaceable"><code>address_match_list</code></em><br>
341 } [<span class="optional"> except-from { <em class="replaceable"><code>namelist</code></em> } </span>];<br>
342 deny-answer-aliases {<br>
343 <em class="replaceable"><code>namelist</code></em><br>
344 } [<span class="optional"> except-from { <em class="replaceable"><code>namelist</code></em> } </span>];<br>
346 nsec3-test-zone <em class="replaceable"><code>boolean</code></em>; // testing only<br>
348 allow-v6-synthesis { <em class="replaceable"><code>address_match_element</code></em>; ... }; // obsolete<br>
349 deallocate-on-exit <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
350 fake-iquery <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
351 fetch-glue <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
352 has-old-clients <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
353 maintain-ixfr-base <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
354 max-ixfr-log-size <em class="replaceable"><code>size</code></em>; // obsolete<br>
355 multiple-cnames <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
356 named-xfer <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
357 serial-queries <em class="replaceable"><code>integer</code></em>; // obsolete<br>
358 treat-cr-as-space <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
359 use-id-pool <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
363 <div class="refsect1" lang="en">
364 <a name="id2544577"></a><h2>VIEW</h2>
365 <div class="literallayout"><p><br>
366 view <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em> {<br>
367 match-clients { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
368 match-destinations { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
369 match-recursive-only <em class="replaceable"><code>boolean</code></em>;<br>
371 key <em class="replaceable"><code>string</code></em> {<br>
372 algorithm <em class="replaceable"><code>string</code></em>;<br>
373 secret <em class="replaceable"><code>string</code></em>;<br>
376 zone <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em> {<br>
380 server ( <em class="replaceable"><code>ipv4_address[<span class="optional">/prefixlen</span>]</code></em> | <em class="replaceable"><code>ipv6_address[<span class="optional">/prefixlen</span>]</code></em> ) {<br>
385 <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>integer</code></em> <em class="replaceable"><code>integer</code></em> <em class="replaceable"><code>integer</code></em> <em class="replaceable"><code>quoted_string</code></em>;<br>
386 [<span class="optional">...</span>]<br>
389 allow-recursion { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
390 allow-recursion-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
391 sortlist { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
392 topology { <em class="replaceable"><code>address_match_element</code></em>; ... }; // not implemented<br>
393 auth-nxdomain <em class="replaceable"><code>boolean</code></em>; // default changed<br>
394 minimal-responses <em class="replaceable"><code>boolean</code></em>;<br>
395 recursion <em class="replaceable"><code>boolean</code></em>;<br>
397 [<span class="optional"> class <em class="replaceable"><code>string</code></em> </span>] [<span class="optional"> type <em class="replaceable"><code>string</code></em> </span>]<br>
398 [<span class="optional"> name <em class="replaceable"><code>quoted_string</code></em> </span>] <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>string</code></em>; ...<br>
400 provide-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
401 request-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
402 rfc2308-type1 <em class="replaceable"><code>boolean</code></em>; // not yet implemented<br>
403 additional-from-auth <em class="replaceable"><code>boolean</code></em>;<br>
404 additional-from-cache <em class="replaceable"><code>boolean</code></em>;<br>
405 query-source ( ( <em class="replaceable"><code>ipv4_address</code></em> | * ) | [<span class="optional"> address ( <em class="replaceable"><code>ipv4_address</code></em> | * ) </span>] ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
406 query-source-v6 ( ( <em class="replaceable"><code>ipv6_address</code></em> | * ) | [<span class="optional"> address ( <em class="replaceable"><code>ipv6_address</code></em> | * ) </span>] ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
407 use-queryport-pool <em class="replaceable"><code>boolean</code></em>;<br>
408 queryport-pool-ports <em class="replaceable"><code>integer</code></em>;<br>
409 queryport-pool-updateinterval <em class="replaceable"><code>integer</code></em>;<br>
410 cleaning-interval <em class="replaceable"><code>integer</code></em>;<br>
411 resolver-query-timeout <em class="replaceable"><code>integer</code></em>;<br>
412 min-roots <em class="replaceable"><code>integer</code></em>; // not implemented<br>
413 lame-ttl <em class="replaceable"><code>integer</code></em>;<br>
414 max-ncache-ttl <em class="replaceable"><code>integer</code></em>;<br>
415 max-cache-ttl <em class="replaceable"><code>integer</code></em>;<br>
416 transfer-format ( many-answers | one-answer );<br>
417 max-cache-size <em class="replaceable"><code>size</code></em>;<br>
418 max-acache-size <em class="replaceable"><code>size</code></em>;<br>
419 clients-per-query <em class="replaceable"><code>number</code></em>;<br>
420 max-clients-per-query <em class="replaceable"><code>number</code></em>;<br>
421 check-names ( master | slave | response )<br>
422 ( fail | warn | ignore );<br>
423 check-mx ( fail | warn | ignore );<br>
424 check-integrity <em class="replaceable"><code>boolean</code></em>;<br>
425 check-mx-cname ( fail | warn | ignore );<br>
426 check-srv-cname ( fail | warn | ignore );<br>
427 cache-file <em class="replaceable"><code>quoted_string</code></em>; // test option<br>
428 suppress-initial-notify <em class="replaceable"><code>boolean</code></em>; // not yet implemented<br>
429 preferred-glue <em class="replaceable"><code>string</code></em>;<br>
430 dual-stack-servers [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
431 ( <em class="replaceable"><code>quoted_string</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
432 <em class="replaceable"><code>ipv4_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
433 <em class="replaceable"><code>ipv6_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] ); ...<br>
435 edns-udp-size <em class="replaceable"><code>integer</code></em>;<br>
436 max-udp-size <em class="replaceable"><code>integer</code></em>;<br>
437 root-delegation-only [<span class="optional"> exclude { <em class="replaceable"><code>quoted_string</code></em>; ... } </span>];<br>
438 disable-algorithms <em class="replaceable"><code>string</code></em> { <em class="replaceable"><code>string</code></em>; ... };<br>
439 dnssec-enable <em class="replaceable"><code>boolean</code></em>;<br>
440 dnssec-validation <em class="replaceable"><code>boolean</code></em>;<br>
441 dnssec-lookaside <em class="replaceable"><code>string</code></em> trust-anchor <em class="replaceable"><code>string</code></em>;<br>
442 dnssec-must-be-secure <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>boolean</code></em>;<br>
443 dnssec-accept-expired <em class="replaceable"><code>boolean</code></em>;<br>
445 dns64-server <em class="replaceable"><code>string</code></em>;<br>
446 dns64-contact <em class="replaceable"><code>string</code></em>;<br>
447 dns64 <em class="replaceable"><code>prefix</code></em> {<br>
448 clients { <font color="red"><replacable>acl</replacable></font>; };<br>
449 exclude { <font color="red"><replacable>acl</replacable></font>; };<br>
450 mapped { <font color="red"><replacable>acl</replacable></font>; };<br>
451 break-dnssec <em class="replaceable"><code>boolean</code></em>;<br>
452 recursive-only <em class="replaceable"><code>boolean</code></em>;<br>
453 suffix <em class="replaceable"><code>ipv6_address</code></em>;<br>
456 empty-server <em class="replaceable"><code>string</code></em>;<br>
457 empty-contact <em class="replaceable"><code>string</code></em>;<br>
458 empty-zones-enable <em class="replaceable"><code>boolean</code></em>;<br>
459 disable-empty-zone <em class="replaceable"><code>string</code></em>;<br>
461 dialup <em class="replaceable"><code>dialuptype</code></em>;<br>
462 ixfr-from-differences <em class="replaceable"><code>ixfrdiff</code></em>;<br>
464 allow-query { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
465 allow-query-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
466 allow-query-cache { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
467 allow-query-cache-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
468 allow-transfer { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
469 allow-update { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
470 allow-update-forwarding { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
471 update-check-ksk <em class="replaceable"><code>boolean</code></em>;<br>
472 dnssec-dnskey-kskonly <em class="replaceable"><code>boolean</code></em>;<br>
474 masterfile-format ( text | raw );<br>
475 notify <em class="replaceable"><code>notifytype</code></em>;<br>
476 notify-source ( <em class="replaceable"><code>ipv4_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
477 notify-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
478 notify-delay <em class="replaceable"><code>seconds</code></em>;<br>
479 notify-to-soa <em class="replaceable"><code>boolean</code></em>;<br>
480 also-notify [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] { ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> )<br>
481 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ... };<br>
482 allow-notify { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
484 forward ( first | only );<br>
485 forwarders [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
486 ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> ) [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ...<br>
489 max-journal-size <em class="replaceable"><code>size_no_default</code></em>;<br>
490 max-transfer-time-in <em class="replaceable"><code>integer</code></em>;<br>
491 max-transfer-time-out <em class="replaceable"><code>integer</code></em>;<br>
492 max-transfer-idle-in <em class="replaceable"><code>integer</code></em>;<br>
493 max-transfer-idle-out <em class="replaceable"><code>integer</code></em>;<br>
494 max-retry-time <em class="replaceable"><code>integer</code></em>;<br>
495 min-retry-time <em class="replaceable"><code>integer</code></em>;<br>
496 max-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
497 min-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
498 multi-master <em class="replaceable"><code>boolean</code></em>;<br>
499 sig-validity-interval <em class="replaceable"><code>integer</code></em>;<br>
501 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
502 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
503 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
504 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
506 alt-transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
507 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
508 alt-transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
509 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
510 use-alt-transfer-source <em class="replaceable"><code>boolean</code></em>;<br>
512 zone-statistics <em class="replaceable"><code>boolean</code></em>;<br>
513 try-tcp-refresh <em class="replaceable"><code>boolean</code></em>;<br>
514 key-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
515 zero-no-soa-ttl <em class="replaceable"><code>boolean</code></em>;<br>
516 zero-no-soa-ttl-cache <em class="replaceable"><code>boolean</code></em>;<br>
517 dnssec-secure-to-insecure <em class="replaceable"><code>boolean</code></em>;<br>
519 allow-v6-synthesis { <em class="replaceable"><code>address_match_element</code></em>; ... }; // obsolete<br>
520 fetch-glue <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
521 maintain-ixfr-base <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
522 max-ixfr-log-size <em class="replaceable"><code>size</code></em>; // obsolete<br>
526 <div class="refsect1" lang="en">
527 <a name="id2545280"></a><h2>ZONE</h2>
528 <div class="literallayout"><p><br>
529 zone <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em> {<br>
530 type ( master | slave | stub | hint |<br>
531 forward | delegation-only );<br>
532 file <em class="replaceable"><code>quoted_string</code></em>;<br>
534 masters [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
535 ( <em class="replaceable"><code>masters</code></em> |<br>
536 <em class="replaceable"><code>ipv4_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
537 <em class="replaceable"><code>ipv6_address</code></em> [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] ) [<span class="optional"> key <em class="replaceable"><code>string</code></em> </span>]; ...<br>
540 database <em class="replaceable"><code>string</code></em>;<br>
541 delegation-only <em class="replaceable"><code>boolean</code></em>;<br>
542 check-names ( fail | warn | ignore );<br>
543 check-mx ( fail | warn | ignore );<br>
544 check-integrity <em class="replaceable"><code>boolean</code></em>;<br>
545 check-mx-cname ( fail | warn | ignore );<br>
546 check-srv-cname ( fail | warn | ignore );<br>
547 dialup <em class="replaceable"><code>dialuptype</code></em>;<br>
548 ixfr-from-differences <em class="replaceable"><code>boolean</code></em>;<br>
549 journal <em class="replaceable"><code>quoted_string</code></em>;<br>
550 zero-no-soa-ttl <em class="replaceable"><code>boolean</code></em>;<br>
551 dnssec-secure-to-insecure <em class="replaceable"><code>boolean</code></em>;<br>
553 allow-query { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
554 allow-query-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
555 allow-transfer { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
556 allow-update { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
557 allow-update-forwarding { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
558 update-policy <em class="replaceable"><code>local</code></em> | <em class="replaceable"><code> {<br>
559 ( grant | deny ) <em class="replaceable"><code>string</code></em><br>
560 ( name | subdomain | wildcard | self | selfsub | selfwild |<br>
561 krb5-self | ms-self | krb5-subdomain | ms-subdomain |<br>
562 tcp-self | zonesub | 6to4-self ) <em class="replaceable"><code>string</code></em><br>
563 <em class="replaceable"><code>rrtypelist</code></em>;<br>
564 [<span class="optional">...</span>]<br>
566 update-check-ksk <em class="replaceable"><code>boolean</code></em>;<br>
567 dnssec-dnskey-kskonly <em class="replaceable"><code>boolean</code></em>;<br>
569 masterfile-format ( text | raw );<br>
570 notify <em class="replaceable"><code>notifytype</code></em>;<br>
571 notify-source ( <em class="replaceable"><code>ipv4_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
572 notify-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
573 notify-delay <em class="replaceable"><code>seconds</code></em>;<br>
574 notify-to-soa <em class="replaceable"><code>boolean</code></em>;<br>
575 also-notify [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] { ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> )<br>
576 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ... };<br>
577 allow-notify { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
579 forward ( first | only );<br>
580 forwarders [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
581 ( <em class="replaceable"><code>ipv4_address</code></em> | <em class="replaceable"><code>ipv6_address</code></em> ) [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ...<br>
584 max-journal-size <em class="replaceable"><code>size_no_default</code></em>;<br>
585 max-transfer-time-in <em class="replaceable"><code>integer</code></em>;<br>
586 max-transfer-time-out <em class="replaceable"><code>integer</code></em>;<br>
587 max-transfer-idle-in <em class="replaceable"><code>integer</code></em>;<br>
588 max-transfer-idle-out <em class="replaceable"><code>integer</code></em>;<br>
589 max-retry-time <em class="replaceable"><code>integer</code></em>;<br>
590 min-retry-time <em class="replaceable"><code>integer</code></em>;<br>
591 max-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
592 min-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
593 multi-master <em class="replaceable"><code>boolean</code></em>;<br>
594 sig-validity-interval <em class="replaceable"><code>integer</code></em>;<br>
596 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
597 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
598 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
599 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
601 alt-transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
602 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
603 alt-transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
604 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
605 use-alt-transfer-source <em class="replaceable"><code>boolean</code></em>;<br>
607 zone-statistics <em class="replaceable"><code>boolean</code></em>;<br>
608 try-tcp-refresh <em class="replaceable"><code>boolean</code></em>;<br>
609 key-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
611 nsec3-test-zone <em class="replaceable"><code>boolean</code></em>; // testing only<br>
613 ixfr-base <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
614 ixfr-tmp-file <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
615 maintain-ixfr-base <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
616 max-ixfr-log-size <em class="replaceable"><code>size</code></em>; // obsolete<br>
617 pubkey <em class="replaceable"><code>integer</code></em> <em class="replaceable"><code>integer</code></em> <em class="replaceable"><code>integer</code></em> <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
621 <div class="refsect1" lang="en">
622 <a name="id2545659"></a><h2>FILES</h2>
623 <p><code class="filename">/etc/named.conf</code>
626 <div class="refsect1" lang="en">
627 <a name="id2545671"></a><h2>SEE ALSO</h2>
628 <p><span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
629 <span class="citerefentry"><span class="refentrytitle">named-checkconf</span>(8)</span>,
630 <span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
631 <em class="citetitle">BIND 9 Administrator Reference Manual</em>.