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Diffstat (limited to 'docs/configuration/service/dns.rst')
| -rw-r--r-- | docs/configuration/service/dns.rst | 75 |
1 files changed, 47 insertions, 28 deletions
diff --git a/docs/configuration/service/dns.rst b/docs/configuration/service/dns.rst index c96c0ab4..7624d309 100644 --- a/docs/configuration/service/dns.rst +++ b/docs/configuration/service/dns.rst @@ -143,6 +143,19 @@ 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. + Example ======= @@ -216,36 +229,36 @@ Configuration :rfc:`2136` Based ----------------- -.. cfgcmd:: set service dns dynamic interface <interface> rfc2136 <service-name> +.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name> Create new :rfc:`2136` 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 interface <interface> rfc2136 <service-name> +.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name> key <keyfile> File identified by `<keyfile>` containing the secret RNDC key shared with remote DNS server. -.. cfgcmd:: set service dns dynamic interface <interface> rfc2136 <service-name> +.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name> server <server> Configure the DNS `<server>` IP/FQDN used when updating this dynamic assignment. -.. cfgcmd:: set service dns dynamic interface <interface> rfc2136 <service-name> +.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name> zone <zone> Configure DNS `<zone>` to be updated. -.. cfgcmd:: set service dns dynamic interface <interface> rfc2136 <service-name> +.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name> record <record> Configure DNS `<record>` which should be updated. This can be set multiple times. -.. cfgcmd:: set service dns dynamic interface <interface> rfc2136 <service-name> +.. cfgcmd:: set service dns dynamic address <interface> rfc2136 <service-name> ttl <ttl> Configure optional TTL value on the given resource record. This defaults to @@ -308,40 +321,40 @@ 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 interface <interface> service <service> +.. cfgcmd:: set service dns dynamic address <interface> service <service> host-name <hostname> Setup the dynamic DNS hostname `<hostname>` associated with the DynDNS - provider identified by `<service>` when the IP address on interface + provider identified by `<service>` when the IP address on address `<interface>` changes. -.. cfgcmd:: set service dns dynamic interface <interface> service <service> - login <username> +.. cfgcmd:: set service dns dynamic address <interface> service <service> + 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. -.. cfgcmd:: set service dns dynamic interface <interface> service <service> +.. cfgcmd:: set service dns dynamic address <interface> service <service> password <password> Configure `<password>` used when authenticating the update request for DynDNS service identified by `<service>`. -.. cfgcmd:: set service dns dynamic interface <interface> service <service> +.. cfgcmd:: set service dns dynamic address <interface> service <service> protocol <protocol> 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. -.. cfgcmd:: set service dns dynamic interface <interface> service <service> +.. cfgcmd:: set service dns dynamic address <interface> service <service> 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 interface <interface> ipv6-enable +.. cfgcmd:: set service dns dynamic address <interface> ipv6-enable Allow explicit IPv6 address for the interface. @@ -353,10 +366,10 @@ Use DynDNS as your preferred provider: .. code-block:: none - set service dns dynamic interface eth0 service dyndns - set service dns dynamic interface eth0 service dyndns login my-login - set service dns dynamic interface eth0 service dyndns password my-password - set service dns dynamic interface eth0 service dyndns host-name my-dyndns-hostname + 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 .. note:: Multiple services can be used per interface. Just specify as many services per interface as you like! @@ -366,12 +379,12 @@ Example IPv6 only: .. code-block:: none - set service dns dynamic interface eth0 ipv6-enable - set service dns dynamic interface eth0 service dyndns6 login my-login - set service dns dynamic interface eth0 service dyndns6 password my-password - set service dns dynamic interface eth0 service dyndns6 host-name my-dyndns-hostname - set service dns dynamic interface eth0 service dyndns6 protocol dyndns2 - set service dns dynamic interface eth0 service dyndns6 server dyndns-v6-server + 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 Running Behind NAT @@ -381,15 +394,21 @@ 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. -ddclient_ has another way to determine the WAN IP address. This is controlled -by: +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: -.. cfgcmd:: set service dns dynamic interface <interface> use-web url <url> +.. cfgcmd:: set service dns dynamic address web web-options url <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 interface <interface> use-web skip <pattern> +.. cfgcmd:: set service dns dynamic address web web-options skip <pattern> ddclient_ will skip any address located before the string set in `<pattern>`. |