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Fang,

On 8/3/20 23:10, FANG YAP wrote:
> I have an issue on the subject mentioned as the vulnerability scan
> flagged out.
>
> Plugin: 12085 Plugin Text: Apache Tomcat Default Files Protocol:
> TCP Port: 8080
>
> Apache Tomcat 8.5.55 (x64-bit machines)
>
> In my app folder (located in the webapp folder) I already had the
> necessary error pages. Also indicated the error jsp file in the
> app's web.xml. How to know what should be shown when they(user)
> enter the wrong site for tomcat?
>
> Should it be showing this page below or it should show my custom
> error page set in app's web.xml? HTTP 404 No Found The webpage
> cannot be found.. Most likely causes:... - There might be a typing
> error in the address - If you clicked on a link, it may be out of
> date
>
> What you can try: .....

This doesn't look like a vuln to me. Your scanner is being overzealous.

But if you want to replace the 404 Not Found page when you request
/noapp and your application is deployed to /myapp then you can't fix
the problem in "myapp". You have to make other arrangements.

The easiest thing to do is deploy a ROOT application with all errors
(including 404) pointing to a custom error page. You can do this in
your ROOT application's WEB-INF/web.xml file.

- -chris
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