502 Bad Gateway nginx

Hey guys,

I’ve recently switched to nginx and still have some things to learn.
Most websites are running with nginx and Let’s encrypt except nextcloud.

I’ve managed to install it but I can’t get it to work properly.

What I’ve done so far:

sudo chown www-data /var/www/kazuto.de/cloud
sudo chown www-data /var/www/kazuto.de/cloud/htdocs

upstream php-handler {
server 127.0.0.1:9000;
#server unix:/var/run/php5-fpm.sock;
}

server {
listen 80;
server_name cloud.kazuto.de www.cloud.kazuto.de;
# enforce https
return 301 https://$server_name$request_uri;
}

server {
listen 443 ssl;
server_name cloud.kazuto.de www.cloud.kazuto.de;

ssl_certificate /etc/letsencrypt/live/cloud.kazuto.de/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/cloud.kazuto.de/privkey.pem;

# Add headers to serve security related headers
# Before enabling Strict-Transport-Security headers please read into this
# topic first.
#add_header Strict-Transport-Security "max-age=15768000;
# includeSubDomains; preload;";
add_header X-Content-Type-Options nosniff;
add_header X-Frame-Options "SAMEORIGIN";
add_header X-XSS-Protection "1; mode=block";
add_header X-Robots-Tag none;
add_header X-Download-Options noopen;
add_header X-Permitted-Cross-Domain-Policies none;

# Path to the root of your installation
root /var/www/kazuto.de/cloud/htdocs;

location = /robots.txt {
    allow all;
    log_not_found off;
    access_log off;
}

location ~ \.php$ {
    try_files $uri =404;
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini

    # With php5-cgi alone:
    #fastcgi_pass 127.0.0.1:9000;
    # With php5-fpm:
    fastcgi_pass unix:/var/run/php5-fpm.sock;
    fastcgi_index index.php;
    include fastcgi_params;
}

# The following 2 rules are only needed for the user_webfinger app.
# Uncomment it if you're planning to use this app.
# rewrite ^/.well-known/host-meta /nextcloud/public.php?service=host-meta
# last;
#rewrite ^/.well-known/host-meta.json
# /nextcloud/public.php?service=host-meta-json last;

location = /.well-known/carddav {
  return 301 $scheme://$host/nextcloud/remote.php/dav;
}
location = /.well-known/caldav {
  return 301 $scheme://$host/nextcloud/remote.php/dav;
}

location /.well-known/acme-challenge { }

location ^~ /nextcloud {

    # set max upload size
    client_max_body_size 512M;
    fastcgi_buffers 64 4K;

    # Disable gzip to avoid the removal of the ETag header
    gzip off;

    # Uncomment if your server is build with the ngx_pagespeed module
    # This module is currently not supported.
    #pagespeed off;

    error_page 403 /nextcloud/core/templates/403.php;
    error_page 404 /nextcloud/core/templates/404.php;

    location /nextcloud {
        rewrite ^ /nextcloud/index.php$uri;
    }

    location ~ ^/nextcloud/(?:build|tests|config|lib|3rdparty|templates|data)/ {
        deny all;
    }
    location ~ ^/nextcloud/(?:\.|autotest|occ|issue|indie|db_|console) {
        deny all;
    }

    location ~ ^/nextcloud/(?:index|remote|public|cron|core/ajax/update|status|ocs/v[12]|updater/.+|ocs-provider/.+|core/templates/40[34])\.php(?:$|/) {
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_param HTTPS on;
        #Avoid sending the security headers twice
        fastcgi_param modHeadersAvailable true;
        fastcgi_param front_controller_active true;
        fastcgi_pass php-handler;
        fastcgi_intercept_errors on;
        fastcgi_request_buffering off;
    }

    location ~ ^/nextcloud/(?:updater|ocs-provider)(?:$|/) {
        try_files $uri/ =404;
        index index.php;
    }

    # Adding the cache control header for js and css files
    # Make sure it is BELOW the PHP block
    location ~* \.(?:css|js)$ {
        try_files $uri /nextcloud/index.php$uri$is_args$args;
        add_header Cache-Control "public, max-age=7200";
        # Add headers to serve security related headers  (It is intended
        # to have those duplicated to the ones above)
        # Before enabling Strict-Transport-Security headers please read
        # into this topic first.
        # add_header Strict-Transport-Security "max-age=15768000;
        # includeSubDomains; preload;";
        add_header X-Content-Type-Options nosniff;
        add_header X-Frame-Options "SAMEORIGIN";
        add_header X-XSS-Protection "1; mode=block";
        add_header X-Robots-Tag none;
        add_header X-Download-Options noopen;
        add_header X-Permitted-Cross-Domain-Policies none;
        # Optional: Don't log access to assets
        access_log off;
    }

    location ~* \.(?:svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$ {
        try_files $uri /nextcloud/index.php$uri$is_args$args;
        # Optional: Don't log access to other assets
        access_log off;
    }
}
}

I just don’t know what else is there to do.

Hi,

Any error messages in the error.log of nginx or in the journal?

File /var/run/php5-fpm.sock exists and is readable by webserver user (i.e. http)?

Is this intentional?

upstream php-handler {
server 127.0.0.1:9000;
#server unix:/var/run/php5-fpm.sock;
}

Where do I find the nginx error.log?

php7.0-fpm.sock exists, owner is www-data and rights are rw-rw— (0660).

That’s what the docs said.

But in the config you used php5-fpm (php5 instead of php7).

You should find the error.log in /etc/ngingx/logs/ by default

Oh, that happens by C&P xD

No such folder exists.

EDIT
Changed it to php7.0-fpm but 502 still persists.

EDIT 2
Had to change
fastcgi_pass unix:/var/run/php5-fpm.sock; to
fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;

But now I have a blank page and I can’t connect with the desktop client neither. "Unkown Error"
https://cloud.kazuto.de/index.php

Did you change fastcgi_pass in that block as well?

I’ve found the culprit.

I’ve had to change every /nextcloud to / because I do not have it in a subfolder called nextcloud but in the root folder of the root path root /var/www/kazuto.de/cloud/htdocs;.

Now everything works fine :slight_smile:

i had to add

server unix:/run/php/php7.0-fpm.sock;

to nano /etc/nginx/sites-available/default
seen here:
https://goneuland.de/debian-9-stretch-nextcloud-mit-nginx-mariadb-und-php7-installieren/

1 Like

thanks, it solve my problem.