Settings for UPLOAD at a NGINX server

Posted February 16, 2018 27.7k views
NginxUbuntu 16.04

I have installed nginx version: nginx/1.10.3 (Ubuntu 16.04)

A website requires to upload files. I use php 7 for handling the upload.

The form:

<div class="collapse" id="upload_avatar">
    <div class="card card-body">
        <form enctype="multipart/form-data" action="" method="post">
            <p class="text-left">Upload Avatar:</p>
            <input type="hidden" name="MAX_FILE_SIZE" value="300000" />
            <input name="image" type="file" /><br>
            <button class="form-control mr-sm-2 btn btn-outline-success my-2 my-sm-0" type="submit" name="avatar_upload" aria-controls="collapse_upload_avatar">

php part:

    $verifyimg = getimagesize($_FILES['image']['tmp_name']);

    if($verifyimg['mime'] != 'image/png') {
        echo "Only PNG images are allowed!";

    $uploaddir = '/members/3/';
    $uploadfile = $uploaddir . basename($_FILES['image']['name']);

    if (move_uploaded_file($_FILES['image']['tmp_name'], $uploadfile)) {
        echo "File is valid, and was successfully uploaded.<br>";
    } else {
        echo "Possible file upload attack!<br>";

    echo '<pre>';
    echo 'info:';
    print "</pre>";

This prints out:

Possible file upload attack!
[image] => Array
[name] => Selection_001.png
[type] => image/png
[tmp_name] => /tmp/phpGpp3rB
[error] => 0
[size] => 299338

There is no /tmp/php* file

There is no file in the /members/3/ directory

The permission is 777 for /members and /members/3

nginx/error.log shows:
PHP message: PHP Warning: moveuploadedfile(/members/3/Selection001.png): failed to open stream: No such file or directory … on line 197 PHP message:
PHP Warning: move
uploadedfile(): Unable to move ’/tmp/phpGpp3rB’ to ’/members/3/Selection001.png’


user www-data;
worker_processes auto;
pid /run/;

events {
    worker_connections 768;
    # multi_accept on;

http {

    # Basic Settings

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # SSL Settings

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
    ssl_prefer_server_ciphers on;

    # Logging Settings

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    # Gzip Settings

    gzip on;
    gzip_disable "msie6";

    # gzip_vary on;
    # gzip_proxied any;
    # gzip_comp_level 6;
    # gzip_buffers 16 8k;
    # gzip_http_version 1.1;
    # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    # Virtual Host Configs

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;

The sites-available/

server {
    listen 80;
    listen [::]:80;

    root /home/ronald/docker-websites/;

    # Add index.php to the list if you are using PHP
    index index.php index.html index.htm index.nginx-debian.html;


    location / {
        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
        try_files $uri $uri/ =404;

    location ~ \.php$ {
            include snippets/fastcgi-php.conf;
            fastcgi_pass unix:/run/php/php7.0-fpm.sock;

        location ~ /\.ht {
        deny all;

    listen 443 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

    if ($scheme != "https") {
        return 301 https://$host$request_uri;
    } # managed by Certbot


What do I miss?

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1 answer


Per this error:

PHP message: PHP Warning: moveuploadedfile(/members/3/Selection001.png): failed to open stream: No such file or directory ... on line 197 PHP message:

The issue is that PHP is trying to move files to /members/3/... which does not exist on your filesystem.

$uploaddir = '/members/3/';

This path is relative to your PHP application, and since it begins with a / PHP is treating it as an absolute path. You will need to prepend the path to your PHP application to it, like so:

$uploaddir = '/home/ronald/docker-websites/';