Indeed, it's essential in some cases. I was talking about in the context of sutterd's suggestion, where just lower-case letters have been encoded. > strong cas

Indeed, it's essential in some cases. I was talking about in the context of sutterd's suggestion, where just lower-case letters have been encoded. > strong case for blocking the request as suspicious Yep, as there shouldn't be any "normal" reason to do such a thing.