Error 403 for IdP (Jetty 9.3)

[Peter Schober]

* HCUK eLearning <daveperryatwork at gmail.com> [2018-06-06 16:33]:
> We run Jetty 9.3 for our live and test IdPs. I've changed the URL for our
> test one (moving to a different subdomain, forced by our reverse proxy
> managers), and given Jetty the new HTTPS certificate - it seems to load
> fine.

You don't mention what else you've changed. Changing "the URL" for an
IDP also means having to change all the SPs it federates with.
That may come down to providing the with updated SAML 2.0 Metadata, or
it may involve manual work where metadata is not being used.

-peter