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Snowcrash
Asked: 2019-05-23 07:10:00 +0800 CST

What is the [::1] and 5353 here - resolver 127.0.0.1 [::1]:5353?

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This page:

http://nginx.org/en/docs/http/ngx_http_core_module.html#resolver

gives this example:

resolver 127.0.0.1 [::1]:5353;

What does the [::1] and :5353 mean?

nginx

1 Answers

  1. [::1] (or better ::1) is the IPv6 address for localhost (127.0.0.1 on IPv4) and :5353 is the port number. This line tells the server to try to resolve on port 53 on 127.0.0.1 via IPv4 or on port 5353 on ::1 (localhost) via IPv6.

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