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Asked: 2026-05-11T10:05:05+00:00

I’ve written a filter class to add a P3P header to every page. I

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I’ve written a filter class to add a P3P header to every page. I added this to my web.xml:

<filter>     <filter-name>AddP3pHeaderFilter</filter-name>     <filter-class>com.mycompany.AddP3pHeaderFilter</filter-class> </filter> <filter-mapping>     <filter-name>AddP3pHeaderFilter</filter-name>     <url-pattern>/*</url-pattern> </filter-mapping>

It adds the header to every page request, but it doesn’t work when the user first logs in. The user submits the form to j_security_check, but the response doesn’t include the header. How can I make my filter apply to the login request?

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1 Answer

  1. Doesn’t work in Tomcat.

    I ended up having to use Tomcat valves.

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