The size of the 403 page is too small, and the IE display is incorrect. The 403 page returned by the server is replaced with the page that comes with IE.
Solution Add the following comment to the 403 page
<!-- Ticket #11289, IE bug fix: always pad the error page with enough characters
such that it is greater than 512 bytes, even after gzip compression
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dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5
dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono -->