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bd335c6465ddbafe543900df4b03247bfa288effesolom<p><span class="application">dnssec-coverage</span> — checks future DNSKEY coverage for a zone</p>
bd335c6465ddbafe543900df4b03247bfa288effesolom<div class="cmdsynopsis"><p><code class="command">dnssec-coverage</code> [<code class="option">-K <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-l <em class="replaceable"><code>length</code></em></code>] [<code class="option">-f <em class="replaceable"><code>file</code></em></code>] [<code class="option">-d <em class="replaceable"><code>DNSKEY TTL</code></em></code>] [<code class="option">-m <em class="replaceable"><code>max TTL</code></em></code>] [<code class="option">-r <em class="replaceable"><code>interval</code></em></code>] [<code class="option">-c <em class="replaceable"><code>compilezone path</code></em></code>] [<code class="option">-k</code>] [<code class="option">-z</code>] [zone]</p></div>
bd335c6465ddbafe543900df4b03247bfa288effesolom<p><span><strong class="command">dnssec-coverage</strong></span>
bd335c6465ddbafe543900df4b03247bfa288effesolom verifies that the DNSSEC keys for a given zone or a set of zones
bd335c6465ddbafe543900df4b03247bfa288effesolom have timing metadata set properly to ensure no future lapses in DNSSEC
bd335c6465ddbafe543900df4b03247bfa288effesolom If <code class="option">zone</code> is specified, then keys found in
bd335c6465ddbafe543900df4b03247bfa288effesolom the key repository matching that zone are scanned, and an ordered
bd335c6465ddbafe543900df4b03247bfa288effesolom list is generated of the events scheduled for that key (i.e.,
bd335c6465ddbafe543900df4b03247bfa288effesolom publication, activation, inactivation, deletion). The list of
bd335c6465ddbafe543900df4b03247bfa288effesolom events is walked in order of occurrence. Warnings are generated
bd335c6465ddbafe543900df4b03247bfa288effesolom if any event is scheduled which could cause the zone to enter a
bd335c6465ddbafe543900df4b03247bfa288effesolom state in which validation failures might occur: for example, if
bd335c6465ddbafe543900df4b03247bfa288effesolom the number of published or active keys for a given algorithm drops
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases to zero, or if a key is deleted from the zone too soon after a new
bd335c6465ddbafe543900df4b03247bfa288effesolom key is rolled, and cached data signed by the prior key has not had
bd335c6465ddbafe543900df4b03247bfa288effesolom time to expire from resolver caches.
bd335c6465ddbafe543900df4b03247bfa288effesolom If <code class="option">zone</code> is not specified, then all keys in the
bd335c6465ddbafe543900df4b03247bfa288effesolom key repository will be scanned, and all zones for which there are
bd335c6465ddbafe543900df4b03247bfa288effesolom keys will be analyzed. (Note: This method of reporting is only
bd335c6465ddbafe543900df4b03247bfa288effesolom accurate if all the zones that have keys in a given repository
bd335c6465ddbafe543900df4b03247bfa288effesolom share the same TTL parameters.)
bd335c6465ddbafe543900df4b03247bfa288effesolom<dt><span class="term">-K <em class="replaceable"><code>directory</code></em></span></dt>
bd335c6465ddbafe543900df4b03247bfa288effesolom Sets the directory in which keys can be found. Defaults to the
bd335c6465ddbafe543900df4b03247bfa288effesolom current working directory.
bd335c6465ddbafe543900df4b03247bfa288effesolom<dt><span class="term">-f <em class="replaceable"><code>file</code></em></span></dt>
bd335c6465ddbafe543900df4b03247bfa288effesolom If a <code class="option">file</code> is specified, then the zone is
bd335c6465ddbafe543900df4b03247bfa288effesolom read from that file; the largest TTL and the DNSKEY TTL are
2917a9c9c3eee6fcaedb239f5f68da01f4ed0da9schwartz determined directly from the zone data, and the
bd335c6465ddbafe543900df4b03247bfa288effesolom <code class="option">-m</code> and <code class="option">-d</code> options do
bd335c6465ddbafe543900df4b03247bfa288effesolom not need to be specified on the command line.
bd335c6465ddbafe543900df4b03247bfa288effesolom<dt><span class="term">-l <em class="replaceable"><code>duration</code></em></span></dt>
bd335c6465ddbafe543900df4b03247bfa288effesolom The length of time to check for DNSSEC coverage. Key events
bd335c6465ddbafe543900df4b03247bfa288effesolom scheduled further into the future than <code class="option">duration</code>
bd335c6465ddbafe543900df4b03247bfa288effesolom will be ignored, and assumed to be correct.
bd335c6465ddbafe543900df4b03247bfa288effesolom The value of <code class="option">duration</code> can be set in seconds,
bd335c6465ddbafe543900df4b03247bfa288effesolom or in larger units of time by adding a suffix: 'mi' for minutes,
bd335c6465ddbafe543900df4b03247bfa288effesolom 'h' for hours, 'd' for days, 'w' for weeks, 'mo' for months,
bd335c6465ddbafe543900df4b03247bfa288effesolom 'y' for years.
bd335c6465ddbafe543900df4b03247bfa288effesolom<dt><span class="term">-m <em class="replaceable"><code>maximum TTL</code></em></span></dt>
bd335c6465ddbafe543900df4b03247bfa288effesolom Sets the value to be used as the maximum TTL for the zone or
bd335c6465ddbafe543900df4b03247bfa288effesolom zones being analyzed when determining whether there is a
bd335c6465ddbafe543900df4b03247bfa288effesolom possibility of validation failure. When a zone-signing key is
bd335c6465ddbafe543900df4b03247bfa288effesolom deactivated, there must be enough time for the record in the
bd335c6465ddbafe543900df4b03247bfa288effesolom zone with the longest TTL to have expired from resolver caches
bd335c6465ddbafe543900df4b03247bfa288effesolom before that key can be purged from the DNSKEY RRset. If that
bd335c6465ddbafe543900df4b03247bfa288effesolom condition does not apply, a warning will be generated.
bd335c6465ddbafe543900df4b03247bfa288effesolom The length of the TTL can be set in seconds, or in larger units
bd335c6465ddbafe543900df4b03247bfa288effesolom of time by adding a suffix: 'mi' for minutes, 'h' for hours,
bd335c6465ddbafe543900df4b03247bfa288effesolom 'd' for days, 'w' for weeks, 'mo' for months, 'y' for years.
bd335c6465ddbafe543900df4b03247bfa288effesolom This option is mandatory unless the <code class="option">-f</code> has
bd335c6465ddbafe543900df4b03247bfa288effesolom been used to specify a zone file. (If <code class="option">-f</code> has
bd335c6465ddbafe543900df4b03247bfa288effesolom been specified, this option may still be used; it will override
bd335c6465ddbafe543900df4b03247bfa288effesolom the value found in the file.)
bd335c6465ddbafe543900df4b03247bfa288effesolom<dt><span class="term">-d <em class="replaceable"><code>DNSKEY TTL</code></em></span></dt>
d89fccd8788afe1e920f842edd883fe192a1b8feschwartz Sets the value to be used as the DNSKEY TTL for the zone or
d89fccd8788afe1e920f842edd883fe192a1b8feschwartz zones being analyzed when determining whether there is a
d89fccd8788afe1e920f842edd883fe192a1b8feschwartz possibility of validation failure. When a key is rolled (that
d89fccd8788afe1e920f842edd883fe192a1b8feschwartz is, replaced with a new key), there must be enough time
d89fccd8788afe1e920f842edd883fe192a1b8feschwartz for the old DNSKEY RRset to have expired from resolver caches
2917a9c9c3eee6fcaedb239f5f68da01f4ed0da9schwartz before the new key is activated and begins generating
2917a9c9c3eee6fcaedb239f5f68da01f4ed0da9schwartz signatures. If that condition does not apply, a warning
2917a9c9c3eee6fcaedb239f5f68da01f4ed0da9schwartz will be generated.
d89fccd8788afe1e920f842edd883fe192a1b8feschwartz The length of the TTL can be set in seconds, or in larger units
bd335c6465ddbafe543900df4b03247bfa288effesolom of time by adding a suffix: 'mi' for minutes, 'h' for hours,
bd335c6465ddbafe543900df4b03247bfa288effesolom 'd' for days, 'w' for weeks, 'mo' for months, 'y' for years.
2917a9c9c3eee6fcaedb239f5f68da01f4ed0da9schwartz This option is mandatory unless the <code class="option">-f</code> has
bd335c6465ddbafe543900df4b03247bfa288effesolom been used to specify a zone file, or a default key TTL was
bd335c6465ddbafe543900df4b03247bfa288effesolom <span><strong class="command">dnssec-keygen</strong></span>. (If either of those is true,
bd335c6465ddbafe543900df4b03247bfa288effesolom this option may still be used; it will override the value found
bd335c6465ddbafe543900df4b03247bfa288effesolom in the zone or key file.)
2917a9c9c3eee6fcaedb239f5f68da01f4ed0da9schwartz<dt><span class="term">-r <em class="replaceable"><code>resign interval</code></em></span></dt>
bd335c6465ddbafe543900df4b03247bfa288effesolom Sets the value to be used as the resign interval for the zone
bd335c6465ddbafe543900df4b03247bfa288effesolom or zones being analyzed when determining whether there is a
bd335c6465ddbafe543900df4b03247bfa288effesolom possibility of validation failure. This value defaults to
bd335c6465ddbafe543900df4b03247bfa288effesolom 22.5 days, which is also the default in
bd335c6465ddbafe543900df4b03247bfa288effesolom <span><strong class="command">named</strong></span>. However, if it has been changed
bd335c6465ddbafe543900df4b03247bfa288effesolom by the <code class="option">sig-validity-interval</code> option in
bd335c6465ddbafe543900df4b03247bfa288effesolom <code class="filename">named.conf</code>, then it should also be
bd335c6465ddbafe543900df4b03247bfa288effesolom changed here.
bd335c6465ddbafe543900df4b03247bfa288effesolom The length of the interval can be set in seconds, or in larger
bd335c6465ddbafe543900df4b03247bfa288effesolom units of time by adding a suffix: 'mi' for minutes, 'h' for hours,
bd335c6465ddbafe543900df4b03247bfa288effesolom 'd' for days, 'w' for weeks, 'mo' for months, 'y' for years.
bd335c6465ddbafe543900df4b03247bfa288effesolom Only check KSK coverage; ignore ZSK events. Cannot be
bd335c6465ddbafe543900df4b03247bfa288effesolom Only check ZSK coverage; ignore KSK events. Cannot be
bd335c6465ddbafe543900df4b03247bfa288effesolom<dt><span class="term">-c <em class="replaceable"><code>compilezone path</code></em></span></dt>
bd335c6465ddbafe543900df4b03247bfa288effesolom Specifies a path to a <span><strong class="command">named-compilezone</strong></span> binary.
bd335c6465ddbafe543900df4b03247bfa288effesolom Used for testing.
bd335c6465ddbafe543900df4b03247bfa288effesolom <span class="citerefentry"><span class="refentrytitle">dnssec-checkds</span>(8)</span>,
bd335c6465ddbafe543900df4b03247bfa288effesolom <span class="citerefentry"><span class="refentrytitle">dnssec-dsfromkey</span>(8)</span>,
bd335c6465ddbafe543900df4b03247bfa288effesolom <span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
bd335c6465ddbafe543900df4b03247bfa288effesolom <span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>
bd335c6465ddbafe543900df4b03247bfa288effesolom<p><span class="corpauthor">Internet Systems Consortium</span>
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