Question

Explain characteristics of firewall. how it is helpful in providing security in network ?

Answer 1

Firewall Characteristics and limitations. All traffic from inside to outside, and vice versa, must pass through the firewall. This is achieved by physically blocking all access to the local network except via the firewall.
The need of Firewalls for Personal Use. ... The main goal of a personal firewall is to protect your personal computer and private network from malicious mischief. Malware, malicious software, is the primary threat to your home computer. Viruses are often the first type of malware that comes to mind.

Answer 2

Answer:

what is Network security firewall:

Firewall is something in the internet, which protects our computer from the network which consists of many untrusted bad guys. It checks the IP adress, protocol and many other things and chooses a network as trusted or unsafe. If unsafe the computer does not permit any download or does not reccomend us to use that website.

How to open windows firewall in windows 7 :

Step 1: Go to the start button and search there for all control panel items.

Step 2: Now go to windows firewall and you will see the status of your windows firewall. you can switch it off if you want.

It shows whether you are connected to any public network also