invalid byte sequence in UTF-8 on page request

Question

I\'m getting \"invalid byte sequence in UTF-8\" on page requests (permalinks) and I have no idea why nor can I reproduce it but I do get a lot of exceptions like this:

Answer 1

If you are using apache (and mod_rails) you can prevent these invalid url requests from hitting your Rails application completely by following this answer:

https://stackoverflow.com/questions/13512727/how-can-i-configure-apache-to-respond-400-when-request-contains-an-invalid-byte/13527812#13527812