Web proxy Enable and website block Using MikroTik Router OS:
PART 1 [WEB PROXY ENABLE]
Login in to Router using WinBox
On Main Menu click on IP ==> web Proxy
Click on Enable box to active web proxy
To make your MikroTik web proxy transparent (or force all http 80 port request pass through web proxy) follow bellow steps:
On main menu click on IP==> Firewall Click on Tab ==>NAT
Click on + sign a New Nat Rule window will appear set
Chain: dstnat
Dst. Address: [!] 192.168.10.1 {192.168.10.0/24 is your local IP address [it is important to put ! before IP address box]}
Protocol: 6 (tcp)
Dst. Port: 80
Click on next TAB ==> Action
Select Action: Redirect
Type to Port: 8080
[Now all http 80 port requests will redirect to web proxy port 8080]
It is very important to drop 8080 port on your wan interface chain=input. Otherwise globally your mikrotik will be open proxy server.