Closed
Description
As a side-effect of the investigation of @joyeecheung in #4083, it seems we should be doing proxy keep-alive, while we are not.
Undici:
----- Received Request -----
CONNECT example.com:443 HTTP/1.1
host: example.com
connection: close
Curl:
----- Received Request -----
CONNECT example.com:443 HTTP/1.1
host: example.com:443
user-agent: curl/8.7.1
proxy-connection: Keep-Alive