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dns: T5900: add dont-throttle-netmasks and serve-stale-extensions powerdns features

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This commit is contained in:
Christian Breunig 2024-01-06 20:54:08 +01:00
parent 0cb7b820c9
commit 9ca5e9dd89
1 changed files with 19 additions and 6 deletions
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docs/configuration/service/dns.rst
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@ -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
=======
@ -381,12 +394,12 @@ 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.
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: