If is evil <https://www.nginx.com/resources/wiki/start/topics/depth/ifisevil/> I'd suggest using try_files instead, which is typically something like:

location / {
     try_files $uri $uri/ =404;
}

    Regards
    Steve


On 28/04/2017 15:27, Alex Med wrote:
Hi,

I am having an issue getting rid of the trailing slashes for directories.  I
have used the following to get rid off the trailing slash:


#rewrite all URIs without any '.' in them that end with a '/'
         #rewrite ^([^.]*)/$ $1 permanent;

&
#rewrite all URIs that end with a '/'
rewrite ^/(.*)/$ /$1 permanent;

They both work, but they do not when it comes to directories.  When it is a
directory the page is not displayed because it has different redirects.
Here is the code that I have used inside the LOCATION definition as well as
in the SERVER block and they just do not work.


if (!-e $request_filename) {
rewrite ^/(.*)/$ /$1 permanent;
}

Or, I have used this one:

if (!-e $request_filename) {
rewrite ^([^.]*)/$ $1 permanent;
}

Note:  I have tested individually the two rules either in the server block
or the location block and I still get the redirection problems with files or
directories.


Could any of you please help me and tell me what I am doing wrong.
Basically, when I enable the rewrite rule to get rid off the trailing slash
all directories get multiple redirects and end up in a loop.

Here is the nginx configuration.


user www-data;
worker_processes X;
pid /xxxx.pid;

events {
        worker_connections xxxx;
        # multi_accept on;
}



http {
         ##
         # Basic Settings
         ##

         sendfile off;
         tcp_nopush on;
         tcp_nodelay on;
         keepalive_timeout 65;
         types_hash_max_size 2048;
         #below hides the version of nginx
        server_tokens off;

         server_names_hash_bucket_size 64;
         #this sets the url hash map table size for url rewrites
         map_hash_bucket_size 128;
         map_hash_max_size 2048;
        # server_name_in_redirect off;

         include /xxxx.types;
         default_type application/octet-stream;

         ##
         # Gzip Settings
         ##

         gzip on;

         gzip_vary on;
         gzip_proxied any;
         gzip_comp_level 7;
         gzip_buffers 16 8k;
         gzip_http_version 1.1;
        # Disable for IE < 6 because there are some known problems
         gzip_disable "MSIE [1-6].(?!.*SV1)";

         gzip_types
                text/plain
                 text/css
                text/javascript
                application/javascript
                application/json
                application/x-javascript
                application/xml;

         ##
         # Buffer Size
         ##
         proxy_buffering on;
         proxy_buffers   4 256k;
         proxy_buffer_size   128k;
         proxy_busy_buffers_size   256k;


         ##
         ## URL REWRITE MAP
         ## File that contains all url rewrite rules for server
         include xxxurlmap.conf;


# SERVER DEFINITIONS




###FORWARD ALL 80 INCOMING REQUEST TO SSL
server {
        listen 80 default_server;
        listen [::]:80 default_server;
        server_name example.com www.example.com;
        return 301 https://www.example.com$request_uri;
}

#HTTPS server

#CHANGE DOMAIN NAME from NO-WWW to WWW - CREATE ONE SERVER INSTANCE AND
RETURN IT
server {
     listen       443 ssl http2;
     server_name  example.com;
     ssl_certificate     /xxx.pem;
     ssl_certificate_key /xxxx.pem;
    return       301 https://www.example.com$request_uri;
}


# Secure Server Configuration HTTPS Server

server {

         listen 443 ssl http2;
         listen [::]:443 ssl http2;
         server_name www.example.com;

ssl_certificate /etc/ssl/fullchain.pem;
         ssl_certificate_key /etc/ssl/privkey.pem;
            ssl_protocols TLSv1 TLSv1.1 TLSv1.2;

         ssl_session_cache shared:SSL:20m;
         ssl_session_timeout 60m;
        
## THIS CONDITION REWRITES ALL URLS TO THE NEW ONES
         if ( $redirect_uri ) {
         return 301 $redirect_uri;
            }
         location / {
             proxy_pass https://xxxx:xportNumber;
             proxy_set_header  Host $host;
             proxy_set_header  X-Real-IP $remote_addr;
             proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_connect_timeout 600;
             proxy_send_timeout 600;
             proxy_read_timeout 600;
             proxy_redirect off;
    #this deletes all the traling slash of all Content
    if (!-e $request_filename) {
         rewrite ^/(.*)/$ /$1 permanent;
          }


                 }


         }

}

Posted at Nginx Forum: 
https://forum.nginx.org/read.php?2,273964,273964#msg-273964

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