Have modified the TOMCAT/conf/web.xml file to set up HSTS in the tomcat application server.
<!-- Enable HSTS -->
<filter>
<filter-name>httpHeaderSecurity</filter-name>
<filter-class>org.apache.catalina.filters.HttpHeaderSecurityFilter</filter-class>
<init-param>
<param-name>hstsEnabled</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>hstsMaxAgeSeconds</param-name>
<param-value>31536000</param-value>
</init-param>
<init-param>
<param-name>hstsIncludeSubDomains</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>hstsPreload</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>antiClickJackingOption</param-name>
<param-value>ALLOW-FROM</param-value>
</init-param>
<init-param>
<param-name>antiClickJackingUri</param-name>
<param-value>https://OUR_PRIMARY_DOMAIN.HERE</param-value>
</init-param>
<async-supported>true</async-supported>
</filter>
<!-- Enable HSTS Filter -->
<filter-mapping>
<filter-name>httpHeaderSecurity</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
</filter-mapping>
This works fine on one server. But on another server, I could not see the Strict Header information. Even in the web browser, I could not see the Strict header. In the working setup, a self-signed certificate is employed. In Production, a third-party certificate is used. Will third-party certificates cause any issues with HSTS?
How do I debug this issue further?
Thank you in advance.