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KEY.DNS_RESOLVER(8) Linux Key Management Utilities KEY.DNS_RESOLVER(8)


key.dns_resolver - upcall for request-key to handle dns_resolver keys


/sbin/key.dns_resolver <key>
/sbin/key.dns_resolver --dump-config [-c <configfile>]
/sbin/key.dns_resolver -D [-v] [-v] [-c <configfile>] <desc>


This program is invoked by request-key on behalf of the kernel when kernel services (such as NFS, CIFS and AFS) want to perform a hostname lookup and the kernel does not have the key cached. It is not ordinarily intended to be called directly.

There program has internal parameters that can be changed with a configuration file (see key.dns_resolver.conf(5) for more information). The default configuration file is in /etc, but this can be overridden with the -c flag.

The program can be called in debugging mode to test its functionality by passing a -D or --debug flag on the command line. For this to work, the key description and the callout information must be supplied. Verbosity can be increased by supplying one or more -v flags.

The program may also be called with --dump-config to show the values that configurable parameters will have after parsing the config file.


All errors will be logged to the syslog.


key.dns_resolver.conf(5), request-key.conf(5), keyrings(7), request-key(8)

18 May 2020 Linux