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.\" Copyright (C) 2011 Red Hat, Inc. All Rights Reserved.
.\" Written by David Howells (
.\" This program is free software; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License
.\" as published by the Free Software Foundation; either version
.\" 2 of the License, or (at your option) any later version.
.TH KEY.DNS_RESOLVER 8 "18 May 2020" Linux "Linux Key Management Utilities"
key.dns_resolver \- upcall for request\-key to handle dns_resolver keys
\fB/sbin/key.dns_resolver \fR<key>
\fB/sbin/key.dns_resolver \fR--dump-config [\-c <configfile>]
\fB/sbin/key.dns_resolver \fR\-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 \fB-c\fR
The program can be called in debugging mode to test its functionality by
passing a \fB\-D\fR or \fB\--debug\fR 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 \fB\-v\fR flags.
The program may also be called with \fB--dump-config\fR to show the values that
configurable parameters will have after parsing the config file.
All errors will be logged to the syslog.
.ad l
.BR key.dns_resolver.conf (5),
.BR request\-key.conf (5),
.BR keyrings (7),
.BR request\-key (8)