note 14: firewall for window

firewall

• mengawal in-bound & out-bound dlm traffic.
• bkn virus tp cuma mengawal in-bound & out-bound network iaitu apa shj yg masuk dlm network card.
• firewall m'nakan rules allow & deny

* setiap communication yg berlaku m'nakan ip + port
port
80--> http
8080--> proxy
21--> ftp
22--> ssh
20--> telnet

kenapa ada firewall?
utk elakkan student & staff drp control server.