Question

write a short note on firewall and use

Answer 1

Firewall

A system is design to prevent unauthorised access to or from a private network is called firewall.

Firewall are of two forms

1. Software firewall - Secure the computer against Trojan programs and e - mail worms.
2. Hardware firewall - Secure all the machine on local area network.

Use

It is use to stop or shut the access of the other operating system that is connected to your network.

Firewall stop the people and Hacker who want to damage and want to take the personal information for illegal purpose.