<security-constraint>
 <web-resource-collection>
  <web-resource-name>User Basic Auth</web-resource-name>
  <url-pattern>/*</url-pattern>
 </web-resource-collection>
 <auth-constraint>
  <role-name>role1</role-name>
 </auth-constraint>
</security-constraint>

<login-config>
 <auth-method>BASIC</auth-method>
 <realm-name>User Basic Auth</realm-name>
</login-config>

<security-role>
 <role-name>role1</role-name>
</security-role>

2. 「tomcat-users.xml」에 이하의 기재를 한다.

\apache-tomcat-8.5.15\conf\tomcat-users.xml

■기재 내용

<role rolename="role1"/>
<user username="sample" password="test" roles="role1"/>

3. Tomcat을 다시 시작합니다.