Browser Steps

2. From the http: prefix, browser deduces that the protocol is HTTP
   • Uses port 80 by default
3. It establishes a TCP/IP connection to port 80 at IP address obtained in step 1
4. It deduces from the /index.html that you want to see the file /index.html
   and sends this request formatted as an HTTP command through the established connection
    
   GET /index.html HTTP/1.0
   a blank line