It would be nice to have the option of automatically configuring the rewrite rules for Extension:Special404.
However these will need to be tested since the recommended rewrites on the Extension's page look incorrect.
Fortunately the new builder can run on localhost and virtualization has come a long way. So it should be possible to spin up a temporary MediaWiki installation in a container to test different servers. Even IIS appears to be available as a Docker container nowadays.
It would be nice to have the option of automatically configuring the rewrite rules for Extension:Special404.
However these will need to be tested since the recommended rewrites on the Extension's page look incorrect.
Fortunately the new builder can run on localhost and virtualization has come a long way. So it should be possible to spin up a temporary MediaWiki installation in a container to test different servers. Even IIS appears to be available as a Docker container nowadays.