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Add reason why port 53 is not used by default #19222

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merged 3 commits into from
Oct 16, 2023
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Add reason why port 53 is not used by default #19222

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Update dns-configuration.mdx
Oct 16, 2023
9cf772b
Update website/content/docs/services/discovery/dns-configuration.mdx
Oct 16, 2023
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Merge branch 'main' into dyu/dns-port
Oct 16, 2023
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2 changes: 1 addition & 1 deletion website/content/docs/services/discovery/dns-configuration.mdx
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Expand Up @@ -16,7 +16,7 @@ The Consul DNS is the primary interface for querying records when Consul service
By default, the Consul DNS listens for queries at `127.0.0.1:8600` and uses the `consul` domain. Specify the following parameters in the agent configuration to determine DNS behavior when querying services:

- [`client_addr`](/consul/docs/agent/config/config-files#client_addr)
- [`ports.dns`](/consul/docs/agent/config/config-files#dns_port)
- [`ports.dns`](/consul/docs/agent/config/config-files#dns_port) : Consul does not use port `53`, which is typically reserved for the default port for DNS resolvers, by default because it requires an escalated privilege to bind to.
- [`recursors`](/consul/docs/agent/config/config-files#recursors)
- [`domain`](/consul/docs/agent/config/config-files#domain)
- [`alt_domain`](/consul/docs/agent/config/config-files#alt_domain)
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