HTTP Proxy at port 80/443

Proxy Query google.com

Proxy request returns the blocked page.

$ curl -vik -x <http://ns.arinc9.com:80> google.com
*   Trying 85.117.236.90:80...
* TCP_NODELAY set
* Connected to ns.arinc9.com (85.117.236.90) port 80 (#0)
> GET <http://google.com/> HTTP/1.1
> Host: google.com
> User-Agent: curl/7.68.0
> Accept: */*
> Proxy-Connection: Keep-Alive
> 
* Mark bundle as not supporting multiuse
< HTTP/1.1 200 OK
HTTP/1.1 200 OK
< X-Frame-Options: SAMEORIGIN
X-Frame-Options: SAMEORIGIN
< X-XSS-Protection: 1; mode=block
X-XSS-Protection: 1; mode=block
< X-Content-Type-Options: nosniff
X-Content-Type-Options: nosniff
< Content-Security-Policy: frame-ancestors
Content-Security-Policy: frame-ancestors
< Content-Type: text/html; charset="utf-8"
Content-Type: text/html; charset="utf-8"
< Content-Length: 607
Content-Length: 607
< Connection: Close
Connection: Close

< 

<!DOCTYPE html>
<html lang="tr">
  
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>
      MEB Erişim Engeli
    </title>
    <link href=css/normalize.css rel=stylesheet type=text/css>
    
  </head>
  
  <body>
    <iframe src="<https://cdnvideo.eba.gov.tr/internet/iframeacbp.html>" style="position:fixed; top:0; left:0; bottom:0; right:0; width:100%; height:100%; border:none; margin:0; padding:0; overflow:hidden; z-index:999999;">
    </iframe>
  </body>
  
</html>
  
* Closing connection 0

Host Header google.com

Host header as google.com works fine.

$ curl -vik --header "Host: google.com" ns.arinc9.com
*   Trying 85.117.236.90:80...
* TCP_NODELAY set
* Connected to ns.arinc9.com (85.117.236.90) port 80 (#0)
> GET / HTTP/1.1
> Host: google.com
> User-Agent: curl/7.68.0
> Accept: */*
> 
* Mark bundle as not supporting multiuse
< HTTP/1.1 400 Bad Request
HTTP/1.1 400 Bad Request
< Server: squid/4.10
Server: squid/4.10
< Mime-Version: 1.0
Mime-Version: 1.0
< Date: Sun, 06 Dec 2020 09:47:57 GMT
Date: Sun, 06 Dec 2020 09:47:57 GMT
< Content-Type: text/html;charset=utf-8
Content-Type: text/html;charset=utf-8
< Content-Length: 3505
Content-Length: 3505
< X-Squid-Error: ERR_INVALID_URL 0
X-Squid-Error: ERR_INVALID_URL 0
< X-Cache: MISS from korfezkoy
X-Cache: MISS from korfezkoy
< X-Cache-Lookup: NONE from korfezkoy:80
X-Cache-Lookup: NONE from korfezkoy:80
< Vary: Accept-Language
Vary: Accept-Language
< Content-Language: en
Content-Language: en
< Via: 1.1 korfezkoy (squid/4.10)
Via: 1.1 korfezkoy (squid/4.10)
< Connection: close
Connection: close