[squid-users] application to proxy should have to use CONNECT method ?
Amos Jeffries
squid3 at treenet.co.nz
Wed Apr 16 09:00:57 UTC 2025
On 16/04/25 18:37, Renzo Marengo wrote:
> I know browser uses CONNECT method in http request to communicate to
> proxy server, I ask about other applications (which use this proxy
> server) if It's requirement to use the same CONNECT method creating a
> http request to proxy server.
> It often occurs applications communicate to hosts with ports which are
> different from 80/443 so I think I't' necessary to establish tunnel
> connection to non standard ports.
> It's all right ?
>
Not quite. HTTP may occur over any port (unusual, but permitted).
The CONNECT method is to establish a TCP-like tunnel between client and
server through an HTTP proxy. That includes HTTPS (port 443) traffic
going through an HTTP proxy.
HTH
Amos
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