How do I convert a CONNECT request to GET in openresty/nginx?

Question

I am using the latest version of Openresty (1.27.1.1) and I want to handle CONNECT requests. But sending a CONNECT request throws a 405 NOT ALLOWED error. I have tried different lua scripts to try and handle CONNECT requests but my efforts have been to no avail.

I even tried to redirect the 405 error page to a location where I convert the CONNECT request to GET and that works but it closes the connection after getting the response for the GET request (I'm assuming because of the way openresty/nginx handles error page redirections), whereas I want to keep a persistent connection. Forcing keep-alive headers also doesn't work. The code snippet below is the method I'm using right now.

 listen 80; error_page 405 = @fix_connect; location / { proxy_pass http://backend_server; } location @fix_connect { access_by_lua_block { ngx.req.set_method(ngx.HTTP_GET) } proxy_pass http://backend_server; } }

I'm looking for an alternative method to convert a CONNECT request to GET while maintaining a persistent connection. Thanks

Danila Vershinin · Accepted Answer · 2025-02-18 16:13:34Z

0

It seems you are looking for ngx_http_proxy_connect_module.

answered Feb 18 at 16:13

Danila Vershinin

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klaus_03 Feb 24 at 5:11

Is there any possible way besides using this module?

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