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DNSSEC-SETTIME(1) BIND 9 DNSSEC-SETTIME(1) NAME dnssec-settime - set the key timing metadata for a DNSSEC key SYNOPSIS dnssec-settime [-f] [-K directory] [-L ttl] [-P date/offset] [-P ds date/offset] [-P sync date/offset] [-A date/offset] [-R date/offset] [-I date/offset] [-D date/offset] [-D ds date/offset] [-D sync date/offset] [-S key] [-i interval] [-h] [-V] [-v level] [-E engine] {keyfile} [-s] [-g state] [-d state date/offset] [-k state date/offset] [-r state date/offset] [-z state date/offset] DESCRIPTION dnssec-settime reads a DNSSEC private key file and sets the key timing metadata as specified by the -P, -A, -R, -I, and -D options. The meta- data can then be used by dnssec-signzone or other signing software to determine when a key is to be published, whether it should be used for signing a zone, etc. If none of these options is set on the command line, dnssec-settime simply prints the key timing metadata already stored in the key. When key metadata fields are changed, both files of a key pair (Knnnn.+aaa+iiiii.key and Knnnn.+aaa+iiiii.private) are regenerated. Metadata fields are stored in the private file. A human-readable de- scription of the metadata is also placed in comments in the key file. The private file's permissions are always set to be inaccessible to anyone other than the owner (mode 0600). When working with state files, it is possible to update the timing metadata in those files as well with -s. With this option, it is also possible to update key states with -d (DS), -k (DNSKEY), -r (RRSIG of KSK), or -z (RRSIG of ZSK). Allowed states are HIDDEN, RUMOURED, OM- NIPRESENT, and UNRETENTIVE. The goal state of the key can also be set with -g. This should be ei- ther HIDDEN or OMNIPRESENT, representing whether the key should be re- moved from the zone or published. It is NOT RECOMMENDED to manipulate state files manually, except for testing purposes. OPTIONS -f This option forces an update of an old-format key with no meta- data fields. Without this option, dnssec-settime fails when at- tempting to update a legacy key. With this option, the key is recreated in the new format, but with the original key data re- tained. The key's creation date is set to the present time. If no other values are specified, then the key's publication and activation dates are also set to the present time. -K directory This option sets the directory in which the key files are to re- side. -L ttl This option sets the default TTL to use for this key when it is converted into a DNSKEY RR. This is the TTL used when the key is imported into a zone, unless there was already a DNSKEY RRset in place, in which case the existing TTL takes precedence. If this value is not set and there is no existing DNSKEY RRset, the TTL defaults to the SOA TTL. Setting the default TTL to 0 or none removes it from the key. -h This option emits a usage message and exits. -V This option prints version information. -v level This option sets the debugging level. -E engine This option specifies the cryptographic hardware to use, when applicable. When BIND 9 is built with OpenSSL, this needs to be set to the OpenSSL engine identifier that drives the cryptographic acceler- ator or hardware service module (usually pkcs11). TIMING OPTIONS Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS (which is the format used inside key files), or 'Day Mon DD HH:MM:SS YYYY' (as printed by dnssec-settime -p), or UNIX epoch time (as printed by dnssec-settime -up), or the literal now. The argument can be followed by + or - and an offset from the given time. The literal now can be omitted before an offset. The offset can be followed by one of the suffixes y, mo, w, d, h, or mi, so that it is computed in years (defined as 365 24-hour days, ignoring leap years), months (defined as 30 24-hour days), weeks, days, hours, or minutes, respectively. Without a suffix, the offset is computed in seconds. To unset a date, use none, never, or unset. All these formats are case-insensitive. -P date/offset This option sets the date on which a key is to be published to the zone. After that date, the key is included in the zone but is not used to sign it. ds date/offset This option sets the date on which DS records that match this key have been seen in the parent zone. sync date/offset This option sets the date on which CDS and CDNSKEY records that match this key are to be published to the zone. -A date/offset This option sets the date on which the key is to be activated. After that date, the key is included in the zone and used to sign it. -R date/offset This option sets the date on which the key is to be revoked. Af- ter that date, the key is flagged as revoked. It is included in the zone and is used to sign it. -I date/offset This option sets the date on which the key is to be retired. Af- ter that date, the key is still included in the zone, but it is not used to sign it. -D date/offset This option sets the date on which the key is to be deleted. Af- ter that date, the key is no longer included in the zone. (How- ever, it may remain in the key repository.) ds date/offset This option sets the date on which the DS records that match this key have been seen removed from the parent zone. sync date/offset This option sets the date on which the CDS and CDNSKEY records that match this key are to be deleted. -S predecessor key This option selects a key for which the key being modified is an explicit successor. The name, algorithm, size, and type of the predecessor key must exactly match those of the key being modi- fied. The activation date of the successor key is set to the in- activation date of the predecessor. The publication date is set to the activation date minus the prepublication interval, which defaults to 30 days. -i interval This option sets the prepublication interval for a key. If set, then the publication and activation dates must be separated by at least this much time. If the activation date is specified but the publication date is not, the publication date defaults to this much time before the activation date; conversely, if the publication date is specified but not the activation date, acti- vation is set to this much time after publication. If the key is being created as an explicit successor to another key, then the default prepublication interval is 30 days; other- wise it is zero. As with date offsets, if the argument is followed by one of the suffixes y, mo, w, d, h, or mi, the interval is measured in years, months, weeks, days, hours, or minutes, respectively. Without a suffix, the interval is measured in seconds. KEY STATE OPTIONS To test dnssec-policy it may be necessary to construct keys with arti- ficial state information; these options are used by the testing frame- work for that purpose, but should never be used in production. Known key states are HIDDEN, RUMOURED, OMNIPRESENT, and UNRETENTIVE. -s This option indicates that when setting key timing data, the state file should also be updated. -g state This option sets the goal state for this key. Must be HIDDEN or OMNIPRESENT. -d state date/offset This option sets the DS state for this key as of the specified date, offset from the current date. -k state date/offset This option sets the DNSKEY state for this key as of the speci- fied date, offset from the current date. -r state date/offset This option sets the RRSIG (KSK) state for this key as of the specified date, offset from the current date. -z state date/offset This option sets the RRSIG (ZSK) state for this key as of the specified date, offset from the current date. PRINTING OPTIONS dnssec-settime can also be used to print the timing metadata associated with a key. -u This option indicates that times should be printed in Unix epoch format. -p C/P/Pds/Psync/A/R/I/D/Dds/Dsync/all This option prints a specific metadata value or set of metadata values. The -p option may be followed by one or more of the following letters or strings to indicate which value or values to print: C for the creation date, P for the publication date, Pds` for the DS publication date, ``Psync for the CDS and CDNSKEY publication date, A for the activation date, R for the revocation date, I for the inactivation date, D for the deletion date, Dds for the DS deletion date, and Dsync for the CDS and CDNSKEY deletion date. To print all of the metadata, use all. SEE ALSO dnssec-keygen(8), dnssec-signzone(8), BIND 9 Administrator Reference Manual, RFC 5011. AUTHOR Internet Systems Consortium COPYRIGHT 2025, Internet Systems Consortium 9.20.9 2025-05-08 DNSSEC-SETTIME(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | TIMING OPTIONS | KEY STATE OPTIONS | PRINTING OPTIONS | SEE ALSO | AUTHOR | COPYRIGHT
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