How to Block All Web­sites Except Approved Ones on Win­dows 10

https://www.guidingtech.com/block-all-websites-except-approved-ones-windows-10/

Proxy Server

https://www.youtube.com/watch?v=btr3mj4DOjU

Switch from Windows 10 in S Mode to Windows 10 Home

Reference 

https://www.youtube.com/watch?v=3sKIkIlgmt0

VLAN PVID

https://www.megajason.com/2018/04/30/what-is-pvid/

Ping ICMP

https://en.wikipedia.org/wiki/Ping_(networking_utility)

Whatsapp Web Sometimes Cannot Login

Reference Website:
https://www.larisgratis.com/2018/10/whatsapp-web-tidak-bisa-dibuka-susah.html

https://www.youtube.com/watch?v=y6l1SoAidzU