e56ef46872
This should add working nsupdate support for -S parameter and some others in addition. References: https://issues.redhat.com/browse/FREEIPA-11706 https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/6751 https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/6752 Resolves: RHEL-77354
115 lines
4.6 KiB
Diff
115 lines
4.6 KiB
Diff
From c5c756ce2ac4c1563d024428e148ca27c7721f71 Mon Sep 17 00:00:00 2001
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From: Aram Sargsyan <aram@isc.org>
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Date: Wed, 21 Sep 2022 15:05:11 +0000
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Subject: [PATCH 2/3] Document nsupdate options related to DoT
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Add documentation for the newly implemented DoT feature of the
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nsupdate program.
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(cherry picked from commit bd8299d7b501234263a6aee98049f879b1c700b7)
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---
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bin/nsupdate/nsupdate.rst | 48 ++++++++++++++++++++++++++++++++++++++-
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1 file changed, 47 insertions(+), 1 deletion(-)
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diff --git a/bin/nsupdate/nsupdate.rst b/bin/nsupdate/nsupdate.rst
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index 81bb4815cf4..f1ab5c76fa7 100644
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--- a/bin/nsupdate/nsupdate.rst
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+++ b/bin/nsupdate/nsupdate.rst
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@@ -19,7 +19,7 @@ nsupdate - dynamic DNS update utility
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Synopsis
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~~~~~~~~
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-:program:`nsupdate` [**-d**] [**-D**] [**-i**] [**-L** level] [ [**-g**] | [**-o**] | [**-l**] | [**-y** [hmac:]keyname:secret] | [**-k** keyfile] ] [**-t** timeout] [**-u** udptimeout] [**-r** udpretries] [**-v**] [**-T**] [**-P**] [**-V**] [ [**-4**] | [**-6**] ] [filename]
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+:program:`nsupdate` [**-d**] [**-D**] [**-i**] [**-L** level] [ [**-g**] | [**-o**] | [**-l**] | [**-y** [hmac:]keyname:secret] | [**-k** keyfile] ] [ [**-S**] [**-K** tlskeyfile] [**-E** tlscertfile] [**-A** tlscafile] [**-H** tlshostname] [-O] ] [**-t** timeout] [**-u** udptimeout] [**-r** udpretries] [**-v**] [**-T**] [**-P**] [**-V**] [ [**-4**] | [**-6**] ] [filename]
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Description
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~~~~~~~~~~~
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@@ -71,6 +71,15 @@ Options
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This option sets use of IPv6 only.
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+.. option:: -A tlscafile
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+
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+ This option specifies the file of the certificate authorities (CA) certificates
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+ (in PEM format) in order to verify the remote server TLS certificate when
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+ using DNS-over-TLS (DoT), to achieve Strict or Mutual TLS. When used, it will
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+ override the certificates from the global certificates store, which are
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+ otherwise used by default when :option:`-S` is enabled. This option can not
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+ be used in conjuction with :option:`-O`, and it implies :option:`-S`.
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+
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.. option:: -C
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Overrides the default `resolv.conf` file. This is only intended for testing.
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@@ -84,10 +93,23 @@ Options
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This option sets extra debug mode.
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+.. option:: -E tlscertfile
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+
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+ This option sets the certificate(s) file for authentication for the
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+ DNS-over-TLS (DoT) transport to the remote server. The certificate
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+ chain file is expected to be in PEM format. This option implies :option:`-S`,
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+ and can only be used with :option:`-K`.
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+
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.. option:: -g
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This option enables standard GSS-TSIG mode.
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+.. option:: -H tlshostname
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+
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+ This option makes :program:`nsupdate` use the provided hostname during remote
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+ server TLS certificate verification. Otherwise, the DNS server name
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+ is used. This option implies :option:`-S`.
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+
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.. option:: -i
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This option forces interactive mode, even when standard input is not a terminal.
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@@ -104,6 +126,13 @@ Options
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key used to authenticate Dynamic DNS update requests. In this case,
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the key specified is not an HMAC-MD5 key.
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+.. option:: -K tlskeyfile
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+
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+ This option sets the key file for authenticated encryption for the
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+ DNS-over-TLS (DoT) transport with the remote server. The private key file is
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+ expected to be in PEM format. This option implies :option:`-S`, and can only
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+ be used with :option:`-E`.
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+
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.. option:: -l
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This option sets local-host only mode, which sets the server address to localhost
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@@ -123,6 +152,14 @@ Options
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This option enables a non-standards-compliant variant of GSS-TSIG
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used by Windows 2000.
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+.. option:: -O
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+
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+ This option enables Opportunistic TLS. When used, the remote peer's TLS
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+ certificate will not be verified. This option should be used for debugging
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+ purposes only, and it is not recommended to use it in production. This
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+ option can not be used in conjuction with :option:`-A`, and it implies
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+ :option:`-S`.
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+
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.. option:: -p port
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This option sets the port to use for connections to a name server. The default is
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@@ -138,6 +175,15 @@ Options
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This option sets the number of UDP retries. The default is 3. If zero, only one update
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request is made.
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+.. option:: -S
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+
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+ This option indicates whether to use DNS-over-TLS (DoT) when querying
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+ name servers specified by ``server servername port`` syntax in the input
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+ file, and the primary server discovered through a SOA request. When the
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+ :option:`-K` and :option:`-E` options are used, then the specified TLS
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+ client certificate and private key pair are used for authentication
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+ (Mutual TLS). This option implies :option:`-v`.
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+
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.. option:: -t timeout
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This option sets the maximum time an update request can take before it is aborted. The
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--
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2.47.0
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