Mod_rewrite and file not exist?

Question

PHP

Error.log periodically contains entries like this:

File does not exist: /*server_path*/*domain*/tags, referer: http://*domain*/tags/*tag*/

They fall in packs in a couple of seconds from one address. In .htaccess mod_rewrite is written and works correctly
RewriteRule ^tags$ /$0/ [L,R=301]
RewriteRule ^tags/$ /tags.php [L]
. everything works fine with hands http://*domain*/tags -> http://*domain*/tags/
It is not clear how it gets through rewrite, and judging by the series in one second, it is clearly not a “manual” request. As if some kind of tricky requests that fly past rewrite and look for the folder directly. You can't repeat yourself.

Answer 1

And without the L modifier in the first RewriteRule will work? In theory, L stops the processing of rules, and you need the second one right away

Answer 2

Maybe some urls do not fall under the rules, you can test the config here martinmelin.se/rewrite-rule-tester/ , entering these same referers, and see if there is one for which no rule will be executed

Answer 3

I want to add that I once had a case when I spent 3 hours on a problem with mod_rewrite: the rule did not work, and then it turned out that there was another rule above it that worked before. Even for this, I downloaded a regular expression tester. Those. I was looking for the error in the wrong place. :)