Request sent by client to webserver

GET / HTTP/1.1
Host: tryhackme.com
User-Agent: Mozilla/5.0 Firefox/87.0
Referer: https://tryhackme.com/

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Line 1. This request is sending the Get Method, then telling the web server we are using HTTP Protocol version 1.1

Host. We tell the web server we want the website tryhackme.com

User-Agent. We are using Firefox version 87 browser

Referer. It's the referer, that's it.

Blank Line. Requests always leave a blank line in the end, kinda like a period in english where it signifies the end of the sentence. Here it signifies to the web server that the request has finished.

example of RESPONSE from WEBSERVER

Ways we(client) can send request to webserver - Get-Post-Put-Delete

HEADERS used when CLIENT reQUESTS to web servers