# httpd_custom_api

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Module

httpd_custom_api

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Module Summary

Behaviour with optional callbacks to customize the inets HTTP server.

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Since

Module httpd_custom_api was introduced in OTP 17.5.6.

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Description

The module implementing this behaviour shall be supplied to to the servers configuration with the option customize

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Exports

####
response_default_headers() -> [Header]
OTP 18.1.1

### Types

Header = {HeaderName :: string(), HeaderValue::string()}
string:to_lower/1 will be performed on the HeaderName

Provide default headers for the HTTP servers responses. Note that this option may override built-in defaults.

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response_header({HeaderName, HeaderValue}) -> {true, Header} | false
OTP 17.5.6

### Types

Header = {HeaderName :: string(), HeaderValue::string()}
The header name will be in lower case and should not be altered.

Filter and possible alter HTTP response headers before they are sent to the client.

####
request_header({HeaderName, HeaderValue}) -> {true, Header} | false
OTP 17.5.6

### Types

Header = {HeaderName :: string(), HeaderValue::string()}
The header name will be in lower case and should not be altered.

Filter and possible alter HTTP request headers before they are processed by the server.