HTTP/1.0 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm="login"
Connection: close
Content-type: text/html; charset=utf-8

HTTP/1.0 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm="login"
Connection: close
Content-type: text/html; charset=utf-8

Socks4A

[

HTTP/1.0 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm="login"
Connection: close
Content-type: text/html; charset=utf-8

nginx1.16.0

HTTP/1.1 200 OK
Server: nginx/1.16.0
Date: Sat, 08 Feb 2025 07:28:12 GMT
Content-Type: text/html
Content-Length: 2
Last-Modified: Thu, 09 Sep 2021 15:05:56 GMT
Connection: keep-alive
ETag: "613a22d4-2"
Accept-Ranges: bytes