Ignore Content-Length Header with NGINX configured as reverse-proxy

[Rosolino Todaro]

Hello All,

Is it possible to configure NGINX to ignore the Content-Length header when used as a reverse-proxy? Ideally for an individual location block while unaffecting the rest of the configuration.

Currently, if the client sends a POST with Content-Length of 32767 then 32767 bytes makes it to the internal application and not a byte more!
As this is for an implementation of RTSP over HTTP(S), the client cannot disconnect to resend > 32767 bytes.

The current reverse-proxy block:

location ~ ^\/(live|archive) {
    proxy_pass http://127.0.0.1:3900;
    chunked_transfer_encoding off;
    proxy_buffering off;
    proxy_request_buffering off;
}

nginx version: nginx/1.17.9

Much obliged!

Rosolino Todaro
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