[mod-security-users] SecFilterSelective OUTPUT problem

[Eric <e3...@gm...>]

Hi,

I am currently using apache as a proxy for serving content from a backend
application server.  I am using modsecurity to send requests for non-existent
pages to a custom 404 page.  The command that I am using is SecFilterSelective
OUTPUT "..." "log,status:404" with the 404 as a custom page I define with
ErrorDocument 404 /404/error/page.  And it seems to be catching the rule fine.

The problem that I am having is what Error Page is returned.  When the content
is comming from apache the Custom error page is returned, but when the content
is coming from the app server the default 404 message is displayed.  In both
cases the SecFilter rule is catching the "..." correctly, but its just not
displaying the custom 404 page.  

Any ideas why the custom page is not being displayed?

Thanks.

-Eric