# health_check_listen

Specifies the port on which the server is to listen for health check requests.

    health_check_listen = http://servername:port

For example:

    health_check_listen = http://machine1:7220

When using `localhost` as the `servername`, the listen will only be accessible from the local machine. If you omit the `servername`, the listen will behave similarly to setting `localhost` in the server `listen` parameter.

For example:

    health_check_listen = http://:7220

You can use an IP address instead of hostname.

For example:

    health_check_listen = http://192.168.10.107:7220

When specifying an IPv6 address, use square brackets around the address specification.

For example:

    health_check_listen = http://[2001:cafe::107]:7220

You can use only one `health_check_listen` entry at a time. For more information, see Server Health.

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