400 Bad request

[coviex]

Hi,

Having problems with urls containing percent sign. Most of them return
400 and don't even appear neither in error.log nor in access.log.

GET /download-%27.07%%27.html?frame=1 HTTP/1.1
Host: www.my.eu
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20100101
Firefox/6.0 FirePHP/0.6
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Connection: keep-alive
x-insight: activate

HTTP/1.1 400 Bad Request
Server: nginx/1.0.5
Date: Wed, 14 Sep 2011 10:36:24 GMT
Content-Type: text/html
Content-Length: 172
Connection: close


What's wrong with them?


Thanks

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,215184,215184#msg-215184