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plugin/dns64: update readme and owners (#3848)

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* plugin/dns64: update readme and owners

Make @superq code owner of the plugins. Update the readme a bit:

* don't make it start with a quote
* make it look more like other README's in syntax description
* make a full corefile examples and tests these by setting the corefile
  language tag

Signed-off-by: Miek Gieben <miek@miek.nl>

* Update plugin/dns64/README.md

Co-Authored-By: Ben Kochie <superq@gmail.com>

* Update plugin/dns64/README.md

Co-Authored-By: Ben Kochie <superq@gmail.com>

* Update plugin/dns64/README.md

Co-Authored-By: Ben Kochie <superq@gmail.com>

* Update plugin/dns64/README.md

Co-Authored-By: Ben Kochie <superq@gmail.com>

* Update plugin/dns64/README.md

Co-Authored-By: Ben Kochie <superq@gmail.com>

Co-authored-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Miek Gieben
2020-04-23 10:22:20 +02:00
committed by GitHub
parent 8fe950f4bc
commit ec5696b202
2 changed files with 41 additions and 21 deletions
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61
plugin/dns64/README.md
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@@ -6,55 +6,70 @@
## Description
> DNS64 describes a DNS server that when asked for a domain's AAAA records, but only finds
> A records, synthesizes the AAAA records from the A records.
The *dns64* plugin will when asked for a domain's AAAA records, but only finds A records,
synthesizes the AAAA records from the A records.
The synthesis in only performed if the query came in via IPv6.
The synthesis is *only* performed **if the query came in via IPv6**.
This translation is for IPv6-only networks that have [NAT64](https://en.wikipedia.org/wiki/NAT64).
See [RFC 6147](https://tools.ietf.org/html/rfc6147) for more information.
## Syntax
~~~
dns64 [PREFIX]
~~~
* **PREFIX** defines a custom prefix instead of the default `64:ff9b::/96`.
Or use this slightly longer form with more options:
~~~
dns64 [PREFIX] {
[translate_all]
[translate_all]
prefix PREFIX
}
~~~
* [PREFIX] defines a custom prefix instead of the default `64:ff9b::/96`.
* `translate_all` translates all queries, including respones that have AAAA results.
* `prefix` specifies any local IPv6 prefix to use, instead of the well known prefix (64:ff9b::/96)
* `translate_all` translates all queries, including responses that have AAAA results.
## Examples
Translate with the default well known prefix. Applies to all queries.
Translate with the default well known prefix. Applies to all queries (if they came in over IPv6).
~~~
dns64
. {
dns64
}
~~~
Use a custom prefix.
~~~
dns64 64:1337::/96
# Or
dns64 {
prefix 64:1337::/96
~~~ corefile
. {
dns64 64:1337::/96
}
~~~~
Or
~~~ corefile
. {
dns64 {
prefix 64:1337::/96
}
}
~~~
Enable translation even if an existing AAAA record is present.
~~~
dns64 {
translate_all
~~~ corefile
. {
dns64 {
translate_all
}
}
~~~
* `prefix` specifies any local IPv6 prefix to use, instead of the well known prefix (64:ff9b::/96)
## Metrics
If monitoring is enabled (via the _prometheus_ plugin) then the following metrics are exported:
@@ -71,3 +86,7 @@ Not all features required by DNS64 are implemented, only basic AAAA synthesis.
* Resolve PTR records
* Follow CNAME records
* Make resolver DNSSEC aware. See: [RFC 6147 Section 3](https://tools.ietf.org/html/rfc6147#section-3)
## Also See
See [RFC 6147](https://tools.ietf.org/html/rfc6147) for more information on the DNS64 mechanism.