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authorRobert Göhler <github@ghlr.de>2024-03-06 21:42:18 +0100
committerGitHub <noreply@github.com>2024-03-06 21:42:18 +0100
commit8e97edb1366a709c707876ee2735e7235e451021 (patch)
tree892519c2f08ba8a2a3588993cca0faff70f0447c /docs
parent99821111f43fb1a3b9378509e7f02aa15948fc69 (diff)
parentd555426ef531128f0fc342e36e84fa8f4b009efc (diff)
downloadvyos-documentation-8e97edb1366a709c707876ee2735e7235e451021.tar.gz
vyos-documentation-8e97edb1366a709c707876ee2735e7235e451021.zip
Merge pull request #1314 from vyos/mergify/bp/master/pr-1313
Rewrote Dynamic DNS documentation/examples to align with T5791 (backport #1313)
Diffstat (limited to 'docs')
-rw-r--r--docs/configuration/service/dns.rst198
1 files changed, 93 insertions, 105 deletions
diff --git a/docs/configuration/service/dns.rst b/docs/configuration/service/dns.rst
index e430dc73..c6deb179 100644
--- a/docs/configuration/service/dns.rst
+++ b/docs/configuration/service/dns.rst
@@ -143,33 +143,6 @@ avoid being tracked by the provider of your upstream DNS server.
168.192.in-addr.arpa, 16-31.172.in-addr.arpa, which enabling upstream
DNS server(s) to be used for reverse lookups of these zones.
-.. cfgcmd:: set service dns forwarding serve-stale-extension <0-65535>
-
- Maximum number of times an expired record’s TTL is extended by 30s when
- serving stale. Extension only occurs if a record cannot be refreshed. A
- value of 0 means the Serve Stale mechanism is not used. To allow records
- becoming stale to be served for an hour, use a value of 120.
-
-.. cfgcmd:: set service dns forwarding exclude-throttle-address <ip|prefix>
-
- When an authoritative server does not answer a query or sends a reply the
- recursor does not like, it is throttled. Any servers matching the supplied
- netmasks will never be throttled.
-
-.. cfgcmd:: set service dns forwarding options ecs-add-for <address>
-
- The requestor netmask for which the requestor IP Address should be used as the
- EDNS Client Subnet for outgoing queries.
-
-.. cfgcmd:: set service dns forwarding options ecs-ipv4-bits <number>
-
- Number of bits of client IPv4 address to pass when sending EDNS Client Subnet
- address information.
-
-.. cfgcmd:: set service dns forwarding options edns-subnet-allow-list <address|domain>
-
- The netmask or domain that EDNS Client Subnet should be enabled for in outgoing queries.
-
Example
=======
@@ -231,8 +204,8 @@ this only one purpose.
ddclient_ uses two methods to update a DNS record. The first one will send
updates directly to the DNS daemon, in compliance with :rfc:`2136`. The second
-one involves a third party service, like DynDNS.com or any other similar
-website. This method uses HTTP requests to transmit the new IP address. You
+one involves a third party service, like DynDNS.com or any other such
+service provider. This method uses HTTP requests to transmit the new IP address. You
can configure both in VyOS.
.. _dns:dynmaic_config:
@@ -243,46 +216,43 @@ Configuration
:rfc:`2136` Based
-----------------
-.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name>
+.. cfgcmd:: set service dns dynamic name <service-name> address interface <interface>
- Create new :rfc:`2136` DNS update configuration which will update the IP
+ Create new dynamic DNS update configuration which will update the IP
address assigned to `<interface>` on the service you configured under
`<service-name>`.
-.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name>
- key <keyfile>
+.. cfgcmd:: set service dns dynamic name <service-name> description <text>
+
+ Set description `<text>` for dynamic DNS service being configured.
+
+.. cfgcmd:: set service dns dynamic name <service-name> key <filename>
- File identified by `<keyfile>` containing the secret RNDC key shared with
- remote DNS server.
+ File identified by `<filename>` containing the TSIG authentication key for RFC2136
+ nsupdate on remote DNS server.
-.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name>
- server <server>
+.. cfgcmd:: set service dns dynamic name <service-name> server <server>
Configure the DNS `<server>` IP/FQDN used when updating this dynamic
assignment.
-.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name>
- zone <zone>
+.. cfgcmd:: set service dns dynamic name <service-name> zone <zone>
Configure DNS `<zone>` to be updated.
-.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name>
- record <record>
+.. cfgcmd:: set service dns dynamic name <service-name> host-name <record>
- Configure DNS `<record>` which should be updated. This can be set multiple
- times.
+ Configure DNS `<record>` which should be updated. This can be set multiple times.
-.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name>
- ttl <ttl>
+.. cfgcmd:: set service dns dynamic name <service-name> ttl <ttl>
Configure optional TTL value on the given resource record. This defaults to
600 seconds.
-.. cfgcmd:: set service dns dynamic timeout <60-3600>
+.. cfgcmd:: set service dns dynamic interval <60-3600>
- Specify timeout / update interval to check if IP address changed.
-
- This defaults to 300 seconds.
+ Specify interval in seconds to wait between Dynamic DNS updates.
+ The default is 300 seconds.
.. _dns:dynmaic_example:
@@ -295,32 +265,48 @@ Example
.. code-block:: none
+ # Configuration commands entered:
+ #
+ set service dns dynamic name 'VyOS-DNS' address interface 'eth0'
+ set service dns dynamic name 'VyOS-DNS' description 'RFC 2136 dynamic dns service'
+ set service dns dynamic name 'VyOS-DNS' key '/config/auth/my.key'
+ set service dns dynamic name 'VyOS-DNS' server 'ns1.vyos.io'
+ set service dns dynamic name 'VyOS-DNS' zone 'vyos.io'
+ set service dns dynamic name 'VyOS-DNS' host-name 'example.vyos.io'
+ set service dns dynamic name 'VyOS-DNS' protocol 'nsupdate'
+ set service dns dynamic name 'VyOS-DNS' ttl '300'
+
+ # Resulting config:
+ #
vyos@vyos# show service dns dynamic
- interface eth0.7 {
- rfc2136 VyOS-DNS {
- key /config/auth/my.key
- record example.vyos.io
- server ns1.vyos.io
- ttl 300
- zone vyos.io
+ name VyOS-DNS {
+ address {
+ interface eth0
}
+ description "RFC 2136 dynamic dns service"
+ host-name example.vyos.io
+ key /config/auth/my.key
+ protocol nsupdate
+ server ns1.vyos.io
+ ttl 300
+ zone vyos.io
}
This will render the following ddclient_ configuration entry:
.. code-block:: none
+ # ddclient configuration for interface "eth0":
#
- # ddclient configuration for interface "eth0.7":
- #
- use=if, if=eth0.7
-
- # RFC2136 dynamic DNS configuration for example.vyos.io.vyos.io
- server=ns1.vyos.io
- protocol=nsupdate
- password=/config/auth/my.key
- ttl=300
- zone=vyos.io
+
+ # Web service dynamic DNS configuration for VyOS-DNS: [nsupdate, example.vyos.io]
+ use=if, \
+ if=eth0, \
+ protocol=nsupdate, \
+ server=ns1.vyos.io, \
+ zone=vyos.io, \
+ password='/config/auth/my.key', \
+ ttl=300 \
example.vyos.io
.. note:: You can also keep different DNS zone updated. Just create a new
@@ -335,40 +321,43 @@ VyOS is also able to use any service relying on protocols supported by ddclient.
To use such a service, one must define a login, password, one or multiple
hostnames, protocol and server.
-.. cfgcmd:: set service dns dynamic address <interface> service <service>
- host-name <hostname>
+.. cfgcmd:: set service dns dynamic name <service-name> address interface <interface>
+
+ Create new dynamic DNS update configuration which will update the IP
+ address assigned to `<interface>` on the service you configured under
+ `<service-name>`.
+
+.. cfgcmd:: set service dns dynamic name <service-name> description <text>
+
+ Set description `<text>` for dynamic DNS service being configured.
+
+.. cfgcmd:: set service dns dynamic name <service-name> host-name <hostname>
Setup the dynamic DNS hostname `<hostname>` associated with the DynDNS
- provider identified by `<service>` when the IP address on address
- `<interface>` changes.
+ provider identified by `<service-name>`.
-.. cfgcmd:: set service dns dynamic address <interface> service <service>
- username <username>
+.. cfgcmd:: set service dns dynamic name <service-name> username <username>
Configure `<username>` used when authenticating the update request for
- DynDNS service identified by `<service>`.
- For Namecheap, set the <domain> you wish to update.
+ DynDNS service identified by `<service-name>`.
-.. cfgcmd:: set service dns dynamic address <interface> service <service>
- password <password>
+.. cfgcmd:: set service dns dynamic name <service-name> password <password>
Configure `<password>` used when authenticating the update request for
- DynDNS service identified by `<service>`.
+ DynDNS service identified by `<service-name>`.
-.. cfgcmd:: set service dns dynamic address <interface> service <service>
- protocol <protocol>
+.. cfgcmd:: set service dns dynamic name <service-name> protocol <protocol>
- When a ``custom`` DynDNS provider is used the protocol used for communicating
+ When a ``custom`` DynDNS provider is used, the protocol used for communicating
to the provider must be specified under `<protocol>`. See the embedded
- completion helper for available protocols.
+ completion helper when entering above command for available protocols.
-.. cfgcmd:: set service dns dynamic address <interface> service <service>
- server <server>
+.. cfgcmd:: set service dns dynamic name <service-name> server <server>
When a ``custom`` DynDNS provider is used the `<server>` where update
requests are being sent to must be specified.
-.. cfgcmd:: set service dns dynamic address <interface> ipv6-enable
+.. cfgcmd:: set service dns dynamic name <service-name> ip-version 'ipv6'
Allow explicit IPv6 address for the interface.
@@ -376,14 +365,17 @@ hostnames, protocol and server.
Example:
^^^^^^^^
-Use DynDNS as your preferred provider:
+Use deSEC (dedyn.io) as your preferred provider:
.. code-block:: none
- set service dns dynamic address eth0 service dyndns
- set service dns dynamic address eth0 service dyndns username my-login
- set service dns dynamic address eth0 service dyndns password my-password
- set service dns dynamic address eth0 service dyndns host-name my-dyndns-hostname
+ set service dns dynamic name dedyn description 'deSEC dynamic dns service'
+ set service dns dynamic name dedyn username 'myusername'
+ set service dns dynamic name dedyn password 'mypassword'
+ set service dns dynamic name dedyn host-name 'myhostname.dedyn.io'
+ set service dns dynamic name dedyn protocol 'dyndns2'
+ set service dns dynamic name dedyn server 'update.dedyn.io'
+ set service dns dynamic name dedyn address interface 'eth0'
.. note:: Multiple services can be used per interface. Just specify as many
services per interface as you like!
@@ -393,12 +385,14 @@ Example IPv6 only:
.. code-block:: none
- set service dns dynamic address eth0 ipv6-enable
- set service dns dynamic address eth0 service dyndns6 username my-login
- set service dns dynamic address eth0 service dyndns6 password my-password
- set service dns dynamic address eth0 service dyndns6 host-name my-dyndns-hostname
- set service dns dynamic address eth0 service dyndns6 protocol dyndns2
- set service dns dynamic address eth0 service dyndns6 server dyndns-v6-server
+ set service dns dynamic name dedyn description 'deSEC ipv6 dynamic dns service'
+ set service dns dynamic name dedyn username 'myusername'
+ set service dns dynamic name dedyn password 'mypassword'
+ set service dns dynamic name dedyn host-name 'myhostname.dedyn.io'
+ set service dns dynamic name dedyn protocol 'dyndns2'
+ set service dns dynamic name dedyn ip-version 'ipv6'
+ set service dns dynamic name dedyn server 'update6.dedyn.io'
+ set service dns dynamic name dedyn address interface 'eth0'
Running Behind NAT
@@ -408,21 +402,15 @@ By default, ddclient_ will update a dynamic dns record using the IP address
directly attached to the interface. If your VyOS instance is behind NAT, your
record will be updated to point to your internal IP.
-Above, command syntax isn noted to configure dynamic dns on a specific interface.
-It is possible to overlook the additional address option, web, when completeing
-those commands. ddclient_ has another way to determine the WAN IP address, using
-a web-based url to determine the external IP. Each of the commands above will
-need to be modified to use 'web' as the 'interface' specified if this functionality
-is to be utilized.
-
-This functionality is controlled by adding the following configuration:
+ddclient_ has another way to determine the WAN IP address. This is controlled
+by:
-.. cfgcmd:: set service dns dynamic address web web-options url <url>
+.. cfgcmd:: set service dns dynamic name <service-name> address web <url>
Use configured `<url>` to determine your IP address. ddclient_ will load
`<url>` and tries to extract your IP address from the response.
-.. cfgcmd:: set service dns dynamic address web web-options skip <pattern>
+.. cfgcmd:: set service dns dynamic name <service-name> address web skip <pattern>
ddclient_ will skip any address located before the string set in `<pattern>`.