.htaccess and huge bandwidth consumption

Server Config
1

Hi,

I bought a site some time ago. It’s a quite small site and should consume only a few gigs of bandwidth per MONTH. I just got an email from my hosting company regarding my bandwidth consumption and noticed that this site is using 30-40 gigs per DAY.

I took a look at the logs and noticed that pretty much all was used by 302 Moved temporarily (redirect).
So I took a look at the .htaccess and there was this:

"RewriteCond %{REQUEST_URI} !(js|admin|images|img|css|captcha)/(.*)

RewriteRule ^([^\\.,/]+)$ http://%{HTTP_HOST}%{REQUEST_URI}/ [R=301]"

I removed it and now everything looks normal and bandwidth usage is only a fraction of what it used to be. Does anybody know what that code actually did? Did it create some kind of loop?

2

It redirected everything that was not in one of the directories js, admin, images, img, css or captcha to the requested URL with an added slash. It shouldn’t create an infinate loop I don’t think.
It’s a bit weird code. I really don’t know why you would need it, so I’d just keep it out.