nginx sends 301 redirect for alias in location

Wed Sep 5 12:25:37 UTC 2018

Hello!

On Wed, Sep 05, 2018 at 09:58:54AM +0300, Peter Volkov wrote:

> Hi. Could you, please, explain. Why nginx sends 301 redirect for the
> following vhost:
> 
> server {
>     listen 80;
>     server_name test.domain.tv <http://test.m9.smotreshka.tv>;
> 
>     access_log off;
> 
>     location = /test/README.txt {
>         alias /var/www/;
>     }
> }
> 
> Here is redirect:
> 
>  $ http http://test.domain.tv/test/README.txt
> HTTP/1.1 301 Moved Permanently
> Connection: keep-alive
> Content-Length: 178
> Content-Type: text/html
> Date: Wed, 05 Sep 2018 06:55:27 GMT
> Keep-Alive: timeout=20
> Location: http://test.domain.tv/test/README.txt/
> Server: nginx
> 
> <html>
> <head><title>301 Moved Permanently</title></head>
> <body bgcolor="white">
> <center><h1>301 Moved Permanently</h1></center>
> <hr><center>nginx</center>
> </body>
> </html>

You've aliased "/test/README.txt" into a directory "/var/www/".  
Since the URI "/test/README.txt" does not have a trailing slash, 
nginx returns a redirect with a trailing slash added, much like it 
does when requesting a directory without a trailing shash.

-- 
Maxim Dounin
http://mdounin.ru/