"Request Entity Too Large" despite `post_max_size` and `upload_max_filesize` being set to a larger amount.

System Info

PHP Version: 8.2.16
XBackBone Version: v3.7.0
Webserver: Nginx
Database backend: SQLite

Describe the bug I encounter the error Request Entity Too Large when uploading a 1.25 Mb file, when my upload size parameters are set to 200 Mb.

To Reproduce Steps to reproduce the behavior:

Take a screenshot of a busy screen. Have the final png size be > 1 Mb.
Attempt to upload to XBackBone.

Expected behavior The image should upload.

Image librewolf_IsHuJ6kJmi

Logs XBackBone

2024-03-16 20:31:50.977 - Task in queue. Job: FileUpload, Type: Image, Host: Custom image uploader
2024-03-16 20:31:51.069 - Task status: Working
2024-03-16 20:31:51.101 - Upload started. File name: librewolf_LAK5cATxMe.png, File path: C:\Users\accou\Documents\ShareX\Screenshots\2024-03\librewolf_LAK5cATxMe.png
2024-03-16 20:31:53.301 - Error:
Error message:
The remote server returned an error: (413) Request Entity Too Large.

Request URL:
https://xbb.soda64.com/upload

Status code:
(413) Request Entity Too Large

Headers:
Connection: keep-alive
Content-Length: 176
Content-Type: text/html
Date: Sat, 16 Mar 2024 17:31:52 GMT
Server: nginx

Response text:
<html>
<head><title>413 Request Entity Too Large</title></head>
<body>
<center><h1>413 Request Entity Too Large</h1></center>
<hr><center>nginx</center>
</body>
</html>

Stack trace:
   at System.Net.HttpWebRequest.GetResponse()
   at ShareX.UploadersLib.Uploader.SendRequestFile(String url, Stream data, String fileName, String fileFormName, Dictionary`2 args, NameValueCollection headers, CookieCollection cookies, HttpMethod method, String contentType, String relatedData)
2024-03-16 20:31:53.301 - Upload failed. Retrying upload.
2024-03-16 20:31:55.451 - Error:
Error message:
The remote server returned an error: (413) Request Entity Too Large.

Request URL:
https://xbb.soda64.com/upload

Status code:
(413) Request Entity Too Large

Headers:
Connection: keep-alive
Content-Length: 176
Content-Type: text/html
Date: Sat, 16 Mar 2024 17:31:54 GMT
Server: nginx

Response text:
<html>
<head><title>413 Request Entity Too Large</title></head>
<body>
<center><h1>413 Request Entity Too Large</h1></center>
<hr><center>nginx</center>
</body>
</html>

Stack trace:
   at System.Net.HttpWebRequest.GetResponse()
   at ShareX.UploadersLib.Uploader.SendRequestFile(String url, Stream data, String fileName, String fileFormName, Dictionary`2 args, NameValueCollection headers, CookieCollection cookies, HttpMethod method, String contentType, String relatedData)
2024-03-16 20:31:55.456 - Task failed. File name: librewolf_LAK5cATxMe.png, Errors:
Error message:
The remote server returned an error: (413) Request Entity Too Large.

Request URL:
https://xbb.soda64.com/upload

Status code:
(413) Request Entity Too Large

Headers:
Connection: keep-alive
Content-Length: 176
Content-Type: text/html
Date: Sat, 16 Mar 2024 17:31:54 GMT
Server: nginx

Response text:
<html>
<head><title>413 Request Entity Too Large</title></head>
<body>
<center><h1>413 Request Entity Too Large</h1></center>
<hr><center>nginx</center>
</body>
</html>

Stack trace:
   at System.Net.HttpWebRequest.GetResponse()
   at ShareX.UploadersLib.Uploader.SendRequestFile(String url, Stream data, String fileName, String fileFormName, Dictionary`2 args, NameValueCollection headers, CookieCollection cookies, HttpMethod method, String contentType, String relatedData)
2024-03-16 20:31:58.935 - File opened: C:\Users\accou\Documents\ShareX\Logs\ShareX-Log-2024-03.txt

Nginx

server {
        listen 17486 ssl;
        listen [::]:17486 ssl;

        ssl_certificate PATH;
        ssl_certificate_key PATH;

        autoindex on;
        index index.php index.html;

        root PATH;

        location / {
                try_files $uri $uri/ /index.php;
        }

        location ~ \.php$ {
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_pass unix:/run/php/php7.2-fpm.sock;
                fastcgi_index index.php;
                include PATH/.config/nginx/includes/*.conf;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                fastcgi_param HTTP_PROXY "";
                fastcgi_intercept_errors off;
                fastcgi_buffer_size 16k;
                fastcgi_buffers 4 16k;
                fastcgi_connect_timeout 300;
                fastcgi_send_timeout 300;
                fastcgi_read_timeout 300;
        }
}

sergix44 / XBackBone

"Request Entity Too Large" despite `post_max_size` and `upload_max_filesize` being set to a larger amount. #567