diff options
| -rw-r--r-- | docs/configuration/service/dns.rst | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/docs/configuration/service/dns.rst b/docs/configuration/service/dns.rst index 2caeb22d..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 ======= @@ -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: |