http://nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size
Run a nginx docker container.
docker run -it --rm -p 8080:80 nginx
Create a binary file.
dd if=/dev/urandom of=1M.data bs=1024 count=1024 cp 1M.data 1M+1.data echo -n 0 >> 1M+1.data
Send a request.
- Be sure using
--data-binaryinstead of-d (--data)
Nginx accepts 1MB data. (It returns 405 Not Allowed for the different reason, but doesn't return 413 Request Entity Too Large)
curl -v --data-binary @1M.data localhost:8080 * Trying ::1... * TCP_NODELAY set * Connected to localhost (::1) port 8080 (#0) > POST / HTTP/1.1 > Host: localhost:8080 > User-Agent: curl/7.64.1 > Accept: */* > Content-Length: 1048576 > Content-Type: application/x-www-form-urlencoded > Expect: 100-continue > < HTTP/1.1 405 Not Allowed < Server: nginx/1.21.3 < Date: Fri, 22 Oct 2021 08:56:47 GMT < Content-Type: text/html < Content-Length: 157 < Connection: keep-alive * HTTP error before end of send, stop sending < <html> <head><title>405 Not Allowed</title></head> <body> <center><h1>405 Not Allowed</h1></center> <hr><center>nginx/1.21.3</center> </body> </html> * Closing connection 0
Nginx rejects 1MB + 1byte data.
curl -v --data-binary @1M+1.data localhost:8080 * Trying ::1... * TCP_NODELAY set * Connected to localhost (::1) port 8080 (#0) > POST / HTTP/1.1 > Host: localhost:8080 > User-Agent: curl/7.64.1 > Accept: */* > Content-Length: 1048577 > Content-Type: application/x-www-form-urlencoded > Expect: 100-continue > < HTTP/1.1 413 Request Entity Too Large < Server: nginx/1.21.3 < Date: Fri, 22 Oct 2021 08:56:53 GMT < Content-Type: text/html < Content-Length: 183 < Connection: close < <html> <head><title>413 Request Entity Too Large</title></head> <body> <center><h1>413 Request Entity Too Large</h1></center> <hr><center>nginx/1.21.3</center> </body> </html> * Closing connection 0
Special thanks to
