java-tutorials/spring-security-rest-basic-auth/src/main/resources/webSecurityConfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="
        http://www.springframework.org/schema/security 
        http://www.springframework.org/schema/security/spring-security.xsd
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans.xsd"
>

    <http create-session="stateless" use-expressions="true">

        <http-basic entry-point-ref="myBasicAuthenticationEntryPoint"/>

    </http>

    <authentication-manager>
        <authentication-provider>
            <user-service>
                <user name="user1" password="{noop}user1Pass" authorities="ROLE_USER"/>
            </user-service>
        </authentication-provider>
    </authentication-manager>

    <global-method-security pre-post-annotations="enabled"/>
        
    <beans:bean id="myBasicAuthenticationEntryPoint" class="org.baeldung.basic.MyBasicAuthenticationEntryPoint" />

</beans:beans>