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20 <title>named.conf</title>
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23 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
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="id2543353"></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="id2543381"></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="id2543397"></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="id2543416"></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="id2543462"></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="id2543530"></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="id2543556"></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="id2543585"></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="id2543620"></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="id2543658"></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="id2543700"></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>auto</code></em> | <em class="replaceable"><code>no</code></em> | <em class="replaceable"><code>domain</code></em> trust-anchor <em class="replaceable"><code>domain</code></em> );<br>
255 dnssec-must-be-secure <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>boolean</code></em>;<br>
256 dnssec-accept-expired <em class="replaceable"><code>boolean</code></em>;<br>
258 dns64-server <em class="replaceable"><code>string</code></em>;<br>
259 dns64-contact <em class="replaceable"><code>string</code></em>;<br>
260 dns64 <em class="replaceable"><code>prefix</code></em> {<br>
261 clients { <font color="red"><replacable>acl</replacable></font>; };<br>
262 exclude { <font color="red"><replacable>acl</replacable></font>; };<br>
263 mapped { <font color="red"><replacable>acl</replacable></font>; };<br>
264 break-dnssec <em class="replaceable"><code>boolean</code></em>;<br>
265 recursive-only <em class="replaceable"><code>boolean</code></em>;<br>
266 suffix <em class="replaceable"><code>ipv6_address</code></em>;<br>
269 empty-server <em class="replaceable"><code>string</code></em>;<br>
270 empty-contact <em class="replaceable"><code>string</code></em>;<br>
271 empty-zones-enable <em class="replaceable"><code>boolean</code></em>;<br>
272 disable-empty-zone <em class="replaceable"><code>string</code></em>;<br>
274 dialup <em class="replaceable"><code>dialuptype</code></em>;<br>
275 ixfr-from-differences <em class="replaceable"><code>ixfrdiff</code></em>;<br>
277 allow-query { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
278 allow-query-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
279 allow-query-cache { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
280 allow-query-cache-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
281 allow-transfer { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
282 allow-update { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
283 allow-update-forwarding { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
284 update-check-ksk <em class="replaceable"><code>boolean</code></em>;<br>
285 dnssec-dnskey-kskonly <em class="replaceable"><code>boolean</code></em>;<br>
287 masterfile-format ( text | raw );<br>
288 notify <em class="replaceable"><code>notifytype</code></em>;<br>
289 notify-source ( <em class="replaceable"><code>ipv4_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
290 notify-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
291 notify-delay <em class="replaceable"><code>seconds</code></em>;<br>
292 notify-to-soa <em class="replaceable"><code>boolean</code></em>;<br>
293 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>
294 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ... };<br>
295 allow-notify { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
297 forward ( first | only );<br>
298 forwarders [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
299 ( <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>
302 max-journal-size <em class="replaceable"><code>size_no_default</code></em>;<br>
303 max-transfer-time-in <em class="replaceable"><code>integer</code></em>;<br>
304 max-transfer-time-out <em class="replaceable"><code>integer</code></em>;<br>
305 max-transfer-idle-in <em class="replaceable"><code>integer</code></em>;<br>
306 max-transfer-idle-out <em class="replaceable"><code>integer</code></em>;<br>
307 max-retry-time <em class="replaceable"><code>integer</code></em>;<br>
308 min-retry-time <em class="replaceable"><code>integer</code></em>;<br>
309 max-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
310 min-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
311 multi-master <em class="replaceable"><code>boolean</code></em>;<br>
313 sig-validity-interval <em class="replaceable"><code>integer</code></em>;<br>
314 sig-re-signing-interval <em class="replaceable"><code>integer</code></em>;<br>
315 sig-signing-nodes <em class="replaceable"><code>integer</code></em>;<br>
316 sig-signing-signatures <em class="replaceable"><code>integer</code></em>;<br>
317 sig-signing-type <em class="replaceable"><code>integer</code></em>;<br>
319 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
320 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
321 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
322 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
324 alt-transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
325 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
326 alt-transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
327 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
328 use-alt-transfer-source <em class="replaceable"><code>boolean</code></em>;<br>
330 zone-statistics <em class="replaceable"><code>boolean</code></em>;<br>
331 key-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
332 managed-keys-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
333 auto-dnssec <code class="constant">allow</code>|<code class="constant">maintain</code>|<code class="constant">create</code>|<code class="constant">off</code>;<br>
334 try-tcp-refresh <em class="replaceable"><code>boolean</code></em>;<br>
335 zero-no-soa-ttl <em class="replaceable"><code>boolean</code></em>;<br>
336 zero-no-soa-ttl-cache <em class="replaceable"><code>boolean</code></em>;<br>
337 dnssec-secure-to-insecure <em class="replaceable"><code>boolean</code></em>;<br>
338 deny-answer-addresses {<br>
339 <em class="replaceable"><code>address_match_list</code></em><br>
340 } [<span class="optional"> except-from { <em class="replaceable"><code>namelist</code></em> } </span>];<br>
341 deny-answer-aliases {<br>
342 <em class="replaceable"><code>namelist</code></em><br>
343 } [<span class="optional"> except-from { <em class="replaceable"><code>namelist</code></em> } </span>];<br>
345 nsec3-test-zone <em class="replaceable"><code>boolean</code></em>; // testing only<br>
347 allow-v6-synthesis { <em class="replaceable"><code>address_match_element</code></em>; ... }; // obsolete<br>
348 deallocate-on-exit <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
349 fake-iquery <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
350 fetch-glue <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
351 has-old-clients <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
352 maintain-ixfr-base <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
353 max-ixfr-log-size <em class="replaceable"><code>size</code></em>; // obsolete<br>
354 multiple-cnames <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
355 named-xfer <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
356 serial-queries <em class="replaceable"><code>integer</code></em>; // obsolete<br>
357 treat-cr-as-space <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
358 use-id-pool <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
362 <div class="refsect1" lang="en">
363 <a name="id2544574"></a><h2>VIEW</h2>
364 <div class="literallayout"><p><br>
365 view <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em> {<br>
366 match-clients { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
367 match-destinations { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
368 match-recursive-only <em class="replaceable"><code>boolean</code></em>;<br>
370 key <em class="replaceable"><code>string</code></em> {<br>
371 algorithm <em class="replaceable"><code>string</code></em>;<br>
372 secret <em class="replaceable"><code>string</code></em>;<br>
375 zone <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em> {<br>
379 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>
384 <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>
385 [<span class="optional">...</span>]<br>
388 allow-recursion { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
389 allow-recursion-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
390 sortlist { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
391 topology { <em class="replaceable"><code>address_match_element</code></em>; ... }; // not implemented<br>
392 auth-nxdomain <em class="replaceable"><code>boolean</code></em>; // default changed<br>
393 minimal-responses <em class="replaceable"><code>boolean</code></em>;<br>
394 recursion <em class="replaceable"><code>boolean</code></em>;<br>
396 [<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>
397 [<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>
399 provide-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
400 request-ixfr <em class="replaceable"><code>boolean</code></em>;<br>
401 rfc2308-type1 <em class="replaceable"><code>boolean</code></em>; // not yet implemented<br>
402 additional-from-auth <em class="replaceable"><code>boolean</code></em>;<br>
403 additional-from-cache <em class="replaceable"><code>boolean</code></em>;<br>
404 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>
405 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>
406 use-queryport-pool <em class="replaceable"><code>boolean</code></em>;<br>
407 queryport-pool-ports <em class="replaceable"><code>integer</code></em>;<br>
408 queryport-pool-updateinterval <em class="replaceable"><code>integer</code></em>;<br>
409 cleaning-interval <em class="replaceable"><code>integer</code></em>;<br>
410 resolver-query-timeout <em class="replaceable"><code>integer</code></em>;<br>
411 min-roots <em class="replaceable"><code>integer</code></em>; // not implemented<br>
412 lame-ttl <em class="replaceable"><code>integer</code></em>;<br>
413 max-ncache-ttl <em class="replaceable"><code>integer</code></em>;<br>
414 max-cache-ttl <em class="replaceable"><code>integer</code></em>;<br>
415 transfer-format ( many-answers | one-answer );<br>
416 max-cache-size <em class="replaceable"><code>size</code></em>;<br>
417 max-acache-size <em class="replaceable"><code>size</code></em>;<br>
418 clients-per-query <em class="replaceable"><code>number</code></em>;<br>
419 max-clients-per-query <em class="replaceable"><code>number</code></em>;<br>
420 check-names ( master | slave | response )<br>
421 ( fail | warn | ignore );<br>
422 check-mx ( fail | warn | ignore );<br>
423 check-integrity <em class="replaceable"><code>boolean</code></em>;<br>
424 check-mx-cname ( fail | warn | ignore );<br>
425 check-srv-cname ( fail | warn | ignore );<br>
426 cache-file <em class="replaceable"><code>quoted_string</code></em>; // test option<br>
427 suppress-initial-notify <em class="replaceable"><code>boolean</code></em>; // not yet implemented<br>
428 preferred-glue <em class="replaceable"><code>string</code></em>;<br>
429 dual-stack-servers [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
430 ( <em class="replaceable"><code>quoted_string</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
431 <em class="replaceable"><code>ipv4_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
432 <em class="replaceable"><code>ipv6_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] ); ...<br>
434 edns-udp-size <em class="replaceable"><code>integer</code></em>;<br>
435 max-udp-size <em class="replaceable"><code>integer</code></em>;<br>
436 root-delegation-only [<span class="optional"> exclude { <em class="replaceable"><code>quoted_string</code></em>; ... } </span>];<br>
437 disable-algorithms <em class="replaceable"><code>string</code></em> { <em class="replaceable"><code>string</code></em>; ... };<br>
438 dnssec-enable <em class="replaceable"><code>boolean</code></em>;<br>
439 dnssec-validation <em class="replaceable"><code>boolean</code></em>;<br>
440 dnssec-lookaside ( <em class="replaceable"><code>auto</code></em> | <em class="replaceable"><code>no</code></em> | <em class="replaceable"><code>domain</code></em> trust-anchor <em class="replaceable"><code>domain</code></em> );<br>
441 dnssec-must-be-secure <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>boolean</code></em>;<br>
442 dnssec-accept-expired <em class="replaceable"><code>boolean</code></em>;<br>
444 dns64-server <em class="replaceable"><code>string</code></em>;<br>
445 dns64-contact <em class="replaceable"><code>string</code></em>;<br>
446 dns64 <em class="replaceable"><code>prefix</code></em> {<br>
447 clients { <font color="red"><replacable>acl</replacable></font>; };<br>
448 exclude { <font color="red"><replacable>acl</replacable></font>; };<br>
449 mapped { <font color="red"><replacable>acl</replacable></font>; };<br>
450 break-dnssec <em class="replaceable"><code>boolean</code></em>;<br>
451 recursive-only <em class="replaceable"><code>boolean</code></em>;<br>
452 suffix <em class="replaceable"><code>ipv6_address</code></em>;<br>
455 empty-server <em class="replaceable"><code>string</code></em>;<br>
456 empty-contact <em class="replaceable"><code>string</code></em>;<br>
457 empty-zones-enable <em class="replaceable"><code>boolean</code></em>;<br>
458 disable-empty-zone <em class="replaceable"><code>string</code></em>;<br>
460 dialup <em class="replaceable"><code>dialuptype</code></em>;<br>
461 ixfr-from-differences <em class="replaceable"><code>ixfrdiff</code></em>;<br>
463 allow-query { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
464 allow-query-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
465 allow-query-cache { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
466 allow-query-cache-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
467 allow-transfer { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
468 allow-update { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
469 allow-update-forwarding { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
470 update-check-ksk <em class="replaceable"><code>boolean</code></em>;<br>
471 dnssec-dnskey-kskonly <em class="replaceable"><code>boolean</code></em>;<br>
473 masterfile-format ( text | raw );<br>
474 notify <em class="replaceable"><code>notifytype</code></em>;<br>
475 notify-source ( <em class="replaceable"><code>ipv4_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
476 notify-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
477 notify-delay <em class="replaceable"><code>seconds</code></em>;<br>
478 notify-to-soa <em class="replaceable"><code>boolean</code></em>;<br>
479 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>
480 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ... };<br>
481 allow-notify { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
483 forward ( first | only );<br>
484 forwarders [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
485 ( <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>
488 max-journal-size <em class="replaceable"><code>size_no_default</code></em>;<br>
489 max-transfer-time-in <em class="replaceable"><code>integer</code></em>;<br>
490 max-transfer-time-out <em class="replaceable"><code>integer</code></em>;<br>
491 max-transfer-idle-in <em class="replaceable"><code>integer</code></em>;<br>
492 max-transfer-idle-out <em class="replaceable"><code>integer</code></em>;<br>
493 max-retry-time <em class="replaceable"><code>integer</code></em>;<br>
494 min-retry-time <em class="replaceable"><code>integer</code></em>;<br>
495 max-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
496 min-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
497 multi-master <em class="replaceable"><code>boolean</code></em>;<br>
498 sig-validity-interval <em class="replaceable"><code>integer</code></em>;<br>
500 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
501 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
502 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
503 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
505 alt-transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
506 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
507 alt-transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
508 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
509 use-alt-transfer-source <em class="replaceable"><code>boolean</code></em>;<br>
511 zone-statistics <em class="replaceable"><code>boolean</code></em>;<br>
512 try-tcp-refresh <em class="replaceable"><code>boolean</code></em>;<br>
513 key-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
514 zero-no-soa-ttl <em class="replaceable"><code>boolean</code></em>;<br>
515 zero-no-soa-ttl-cache <em class="replaceable"><code>boolean</code></em>;<br>
516 dnssec-secure-to-insecure <em class="replaceable"><code>boolean</code></em>;<br>
518 allow-v6-synthesis { <em class="replaceable"><code>address_match_element</code></em>; ... }; // obsolete<br>
519 fetch-glue <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
520 maintain-ixfr-base <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
521 max-ixfr-log-size <em class="replaceable"><code>size</code></em>; // obsolete<br>
525 <div class="refsect1" lang="en">
526 <a name="id2545284"></a><h2>ZONE</h2>
527 <div class="literallayout"><p><br>
528 zone <em class="replaceable"><code>string</code></em> <em class="replaceable"><code>optional_class</code></em> {<br>
529 type ( master | slave | stub | hint |<br>
530 forward | delegation-only );<br>
531 file <em class="replaceable"><code>quoted_string</code></em>;<br>
533 masters [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
534 ( <em class="replaceable"><code>masters</code></em> |<br>
535 <em class="replaceable"><code>ipv4_address</code></em> [<span class="optional">port <em class="replaceable"><code>integer</code></em></span>] |<br>
536 <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>
539 database <em class="replaceable"><code>string</code></em>;<br>
540 delegation-only <em class="replaceable"><code>boolean</code></em>;<br>
541 check-names ( fail | warn | ignore );<br>
542 check-mx ( fail | warn | ignore );<br>
543 check-integrity <em class="replaceable"><code>boolean</code></em>;<br>
544 check-mx-cname ( fail | warn | ignore );<br>
545 check-srv-cname ( fail | warn | ignore );<br>
546 dialup <em class="replaceable"><code>dialuptype</code></em>;<br>
547 ixfr-from-differences <em class="replaceable"><code>boolean</code></em>;<br>
548 journal <em class="replaceable"><code>quoted_string</code></em>;<br>
549 zero-no-soa-ttl <em class="replaceable"><code>boolean</code></em>;<br>
550 dnssec-secure-to-insecure <em class="replaceable"><code>boolean</code></em>;<br>
552 allow-query { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
553 allow-query-on { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
554 allow-transfer { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
555 allow-update { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
556 allow-update-forwarding { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
557 update-policy <em class="replaceable"><code>local</code></em> | <em class="replaceable"><code> {<br>
558 ( grant | deny ) <em class="replaceable"><code>string</code></em><br>
559 ( name | subdomain | wildcard | self | selfsub | selfwild |<br>
560 krb5-self | ms-self | krb5-subdomain | ms-subdomain |<br>
561 tcp-self | zonesub | 6to4-self ) <em class="replaceable"><code>string</code></em><br>
562 <em class="replaceable"><code>rrtypelist</code></em>;<br>
563 [<span class="optional">...</span>]<br>
565 update-check-ksk <em class="replaceable"><code>boolean</code></em>;<br>
566 dnssec-dnskey-kskonly <em class="replaceable"><code>boolean</code></em>;<br>
568 masterfile-format ( text | raw );<br>
569 notify <em class="replaceable"><code>notifytype</code></em>;<br>
570 notify-source ( <em class="replaceable"><code>ipv4_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
571 notify-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * ) [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
572 notify-delay <em class="replaceable"><code>seconds</code></em>;<br>
573 notify-to-soa <em class="replaceable"><code>boolean</code></em>;<br>
574 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>
575 [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>]; ... };<br>
576 allow-notify { <em class="replaceable"><code>address_match_element</code></em>; ... };<br>
578 forward ( first | only );<br>
579 forwarders [<span class="optional"> port <em class="replaceable"><code>integer</code></em> </span>] {<br>
580 ( <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>
583 max-journal-size <em class="replaceable"><code>size_no_default</code></em>;<br>
584 max-transfer-time-in <em class="replaceable"><code>integer</code></em>;<br>
585 max-transfer-time-out <em class="replaceable"><code>integer</code></em>;<br>
586 max-transfer-idle-in <em class="replaceable"><code>integer</code></em>;<br>
587 max-transfer-idle-out <em class="replaceable"><code>integer</code></em>;<br>
588 max-retry-time <em class="replaceable"><code>integer</code></em>;<br>
589 min-retry-time <em class="replaceable"><code>integer</code></em>;<br>
590 max-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
591 min-refresh-time <em class="replaceable"><code>integer</code></em>;<br>
592 multi-master <em class="replaceable"><code>boolean</code></em>;<br>
593 sig-validity-interval <em class="replaceable"><code>integer</code></em>;<br>
595 transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
596 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
597 transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
598 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
600 alt-transfer-source ( <em class="replaceable"><code>ipv4_address</code></em> | * )<br>
601 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
602 alt-transfer-source-v6 ( <em class="replaceable"><code>ipv6_address</code></em> | * )<br>
603 [<span class="optional"> port ( <em class="replaceable"><code>integer</code></em> | * ) </span>];<br>
604 use-alt-transfer-source <em class="replaceable"><code>boolean</code></em>;<br>
606 zone-statistics <em class="replaceable"><code>boolean</code></em>;<br>
607 try-tcp-refresh <em class="replaceable"><code>boolean</code></em>;<br>
608 key-directory <em class="replaceable"><code>quoted_string</code></em>;<br>
610 nsec3-test-zone <em class="replaceable"><code>boolean</code></em>; // testing only<br>
612 ixfr-base <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
613 ixfr-tmp-file <em class="replaceable"><code>quoted_string</code></em>; // obsolete<br>
614 maintain-ixfr-base <em class="replaceable"><code>boolean</code></em>; // obsolete<br>
615 max-ixfr-log-size <em class="replaceable"><code>size</code></em>; // obsolete<br>
616 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>
620 <div class="refsect1" lang="en">
621 <a name="id2545664"></a><h2>FILES</h2>
622 <p><code class="filename">/etc/named.conf</code>
625 <div class="refsect1" lang="en">
626 <a name="id2545675"></a><h2>SEE ALSO</h2>
627 <p><span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
628 <span class="citerefentry"><span class="refentrytitle">named-checkconf</span>(8)</span>,
629 <span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
630 <em class="citetitle">BIND 9 Administrator Reference Manual</em>.