1d239012a9
Commit070c5fff49updated the man pages to contents produced using: - Sphinx 4.0.2 - sphinx-rtd-theme 0.5.2 - docutils 0.17.1 However, sphinx-rtd-theme 0.5.2 is incompatible with versions 0.17+ of the docutils package. This problem was addressed in the Docker image used for building man pages by downgrading the docutils package to version 0.16. Regenerate the man pages again, this time using: - Sphinx 4.0.2 - sphinx-rtd-theme 0.5.2 - docutils 0.16 This is necessary to prevent the "docs" GitLab CI job from failing. (cherry picked from commit6a2daddf5b)
298 lines
9.3 KiB
Plaintext
298 lines
9.3 KiB
Plaintext
.\" Man page generated from reStructuredText.
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.TH "DNSSEC-KEYMGR" "8" "@RELEASE_DATE@" "@BIND9_VERSION@" "BIND 9"
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.SH NAME
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dnssec-keymgr \- ensure correct DNSKEY coverage based on a defined policy
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..
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.SH SYNOPSIS
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.sp
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\fBdnssec\-keymgr\fP [\fB\-K\fP\fIdirectory\fP] [\fB\-c\fP\fIfile\fP] [\fB\-f\fP] [\fB\-k\fP] [\fB\-q\fP] [\fB\-v\fP] [\fB\-z\fP] [\fB\-g\fP\fIpath\fP] [\fB\-s\fP\fIpath\fP] [zone...]
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.SH DESCRIPTION
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.sp
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\fBdnssec\-keymgr\fP is a high level Python wrapper to facilitate the key
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rollover process for zones handled by BIND. It uses the BIND commands
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for manipulating DNSSEC key metadata: \fBdnssec\-keygen\fP and
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\fBdnssec\-settime\fP\&.
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.sp
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DNSSEC policy can be read from a configuration file (default
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/etc/dnssec\-policy.conf), from which the key parameters, publication and
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rollover schedule, and desired coverage duration for any given zone can
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be determined. This file may be used to define individual DNSSEC
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policies on a per\-zone basis, or to set a "default" policy used for all
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zones.
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.sp
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When \fBdnssec\-keymgr\fP runs, it examines the DNSSEC keys for one or more
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zones, comparing their timing metadata against the policies for those
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zones. If key settings do not conform to the DNSSEC policy (for example,
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because the policy has been changed), they are automatically corrected.
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.sp
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A zone policy can specify a duration for which we want to ensure the key
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correctness (\fBcoverage\fP). It can also specify a rollover period
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(\fBroll\-period\fP). If policy indicates that a key should roll over
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before the coverage period ends, then a successor key will automatically
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be created and added to the end of the key series.
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.sp
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If zones are specified on the command line, \fBdnssec\-keymgr\fP will
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examine only those zones. If a specified zone does not already have keys
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in place, then keys will be generated for it according to policy.
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.sp
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If zones are \fInot\fP specified on the command line, then \fBdnssec\-keymgr\fP
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will search the key directory (either the current working directory or
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the directory set by the \fB\-K\fP option), and check the keys for all the
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zones represented in the directory.
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.sp
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Key times that are in the past will not be updated unless the \fB\-f\fP is
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used (see below). Key inactivation and deletion times that are less than
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five minutes in the future will be delayed by five minutes.
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.sp
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It is expected that this tool will be run automatically and unattended
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(for example, by \fBcron\fP).
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.SH OPTIONS
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.sp
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\fB\-c\fP \fIfile\fP
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.INDENT 0.0
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.INDENT 3.5
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If \fB\-c\fP is specified, then the DNSSEC policy is read from \fBfile\fP\&.
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(If not specified, then the policy is read from
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/etc/dnssec\-policy.conf; if that file doesnt exist, a built\-in global
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default policy is used.)
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-f\fP
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.INDENT 0.0
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.INDENT 3.5
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Force: allow updating of key events even if they are already in the
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past. This is not recommended for use with zones in which keys have
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already been published. However, if a set of keys has been generated
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all of which have publication and activation dates in the past, but
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the keys have not been published in a zone as yet, then this option
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can be used to clean them up and turn them into a proper series of
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keys with appropriate rollover intervals.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-g\fP \fIkeygen\-path\fP
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.INDENT 0.0
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.INDENT 3.5
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Specifies a path to a \fBdnssec\-keygen\fP binary. Used for testing. See
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also the \fB\-s\fP option.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-h\fP
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.INDENT 0.0
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.INDENT 3.5
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Print the \fBdnssec\-keymgr\fP help summary and exit.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-K\fP \fIdirectory\fP
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.INDENT 0.0
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.INDENT 3.5
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Sets the directory in which keys can be found. Defaults to the
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current working directory.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-k\fP
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.INDENT 0.0
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.INDENT 3.5
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Only apply policies to KSK keys. See also the \fB\-z\fP option.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-q\fP
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.INDENT 0.0
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.INDENT 3.5
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Quiet: suppress printing of \fBdnssec\-keygen\fP and \fBdnssec\-settime\fP\&.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-s\fP \fIsettime\-path\fP
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.INDENT 0.0
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.INDENT 3.5
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Specifies a path to a \fBdnssec\-settime\fP binary. Used for testing.
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See also the \fB\-g\fP option.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-v\fP
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.INDENT 0.0
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.INDENT 3.5
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Print the \fBdnssec\-keymgr\fP version and exit.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\-z\fP
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.INDENT 0.0
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.INDENT 3.5
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Only apply policies to ZSK keys. See also the \fB\-k\fP option.
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.UNINDENT
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.UNINDENT
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.SH POLICY CONFIGURATION
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.sp
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The dnssec\-policy.conf file can specify three kinds of policies:
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.INDENT 0.0
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.INDENT 3.5
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· \fIPolicy classes\fP (\fBpolicy\fP\fIname\fP\fB{ ... };\fP) can be
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inherited by zone policies or other policy classes; these can be used
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to create sets of different security profiles. For example, a policy
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class \fBnormal\fP might specify 1024\-bit key sizes, but a class
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\fBextra\fP might specify 2048 bits instead; \fBextra\fP would be used
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for zones that had unusually high security needs.
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.INDENT 3.5
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· \fIAlgorithm policies:\fP (\fBalgorithm\-policy\fP\fIalgorithm\fP\fB{ ...
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};\fP ) override default per\-algorithm settings. For example, by
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default, RSASHA256 keys use 2048\-bit key sizes for both KSK and ZSK.
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This can be modified using \fBalgorithm\-policy\fP, and the new key
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sizes would then be used for any key of type RSASHA256.
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.sp
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· \fIZone policies:\fP (\fBzone\fP\fIname\fP\fB{ ... };\fP ) set policy for a
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single zone by name. A zone policy can inherit a policy class by
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including a \fBpolicy\fP option. Zone names beginning with digits
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(i.e., 0\-9) must be quoted. If a zone does not have its own policy
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then the "default" policy applies.
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.UNINDENT
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.UNINDENT
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.sp
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Options that can be specified in policies:
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.sp
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\fBalgorithm\fP \fIname\fP;
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.INDENT 0.0
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.INDENT 3.5
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The key algorithm. If no policy is defined, the default is RSASHA256.
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.UNINDENT
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.UNINDENT
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.sp
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\fBcoverage\fP \fIduration\fP;
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.INDENT 0.0
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.INDENT 3.5
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The length of time to ensure that keys will be correct; no action
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will be taken to create new keys to be activated after this time.
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This can be represented as a number of seconds, or as a duration
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using human\-readable units (examples: "1y" or "6 months"). A default
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value for this option can be set in algorithm policies as well as in
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policy classes or zone policies. If no policy is configured, the
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default is six months.
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.UNINDENT
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.UNINDENT
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.sp
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\fBdirectory\fP \fIpath\fP;
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.INDENT 0.0
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.INDENT 3.5
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Specifies the directory in which keys should be stored.
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.UNINDENT
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.UNINDENT
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.sp
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\fBkey\-size\fP \fIkeytype\fP \fIsize\fP;
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.INDENT 0.0
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.INDENT 3.5
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Specifies the number of bits to use in creating keys. The keytype is
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either "zsk" or "ksk". A default value for this option can be set in
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algorithm policies as well as in policy classes or zone policies. If
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no policy is configured, the default is 2048 bits for RSA keys.
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.UNINDENT
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.UNINDENT
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.sp
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\fBkeyttl\fP \fIduration\fP;
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.INDENT 0.0
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.INDENT 3.5
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The key TTL. If no policy is defined, the default is one hour.
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.UNINDENT
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.UNINDENT
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.sp
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\fBpost\-publish\fP \fIkeytype\fP \fIduration\fP;
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.INDENT 0.0
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.INDENT 3.5
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How long after inactivation a key should be deleted from the zone.
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Note: If \fBroll\-period\fP is not set, this value is ignored. The
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keytype is either "zsk" or "ksk". A default duration for this option
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can be set in algorithm policies as well as in policy classes or zone
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policies. The default is one month.
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.UNINDENT
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.UNINDENT
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.sp
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\fBpre\-publish\fP \fIkeytype\fP \fIduration\fP;
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.INDENT 0.0
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.INDENT 3.5
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How long before activation a key should be published. Note: If
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\fBroll\-period\fP is not set, this value is ignored. The keytype is
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either "zsk" or "ksk". A default duration for this option can be set
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in algorithm policies as well as in policy classes or zone policies.
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The default is one month.
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.UNINDENT
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.UNINDENT
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.sp
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\fBroll\-period\fP \fIkeytype\fP \fIduration\fP;
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.INDENT 0.0
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.INDENT 3.5
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How frequently keys should be rolled over. The keytype is either
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"zsk" or "ksk". A default duration for this option can be set in
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algorithm policies as well as in policy classes or zone policies. If
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no policy is configured, the default is one year for ZSKs. KSKs do
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not roll over by default.
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.UNINDENT
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.UNINDENT
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.sp
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\fBstandby\fP \fIkeytype\fP \fInumber\fP;
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.INDENT 0.0
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.INDENT 3.5
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Not yet implemented.
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.UNINDENT
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.UNINDENT
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.SH REMAINING WORK
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.INDENT 0.0
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.INDENT 3.5
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· Enable scheduling of KSK rollovers using the \fB\-P sync\fP and \fB\-D
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sync\fP options to \fBdnssec\-keygen\fP and \fBdnssec\-settime\fP\&. Check the
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parent zone (as in \fBdnssec\-checkds\fP) to determine when its safe for
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the key to roll.
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.INDENT 3.5
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· Allow configuration of standby keys and use of the REVOKE bit, for
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keys that use RFC 5011 semantics.
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.UNINDENT
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.UNINDENT
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.SH SEE ALSO
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.sp
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\fBdnssec\-coverage\fP(8), \fBdnssec\-keygen\fP(8),
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\fBdnssec\-settime\fP(8), \fBdnssec\-checkds\fP(8)
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.SH AUTHOR
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Internet Systems Consortium
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.SH COPYRIGHT
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2021, Internet Systems Consortium
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.\" Generated by docutils manpage writer.
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