What is a firewall in a network security?

Mihir Borah
2 min readOct 4, 2021

--

A firewall is a network security device that is utilized to operate and purify entering and other moving network traffic.

A firewall network security is conducting and purifies the traffic among private and public networks.

The primary objective of a firewall is to conduct an undesirable approach over a network and also out the distrust traffic from the network.

Firewalls stand since the 1980’s to purify the packet over the network.

Since Firewall network security was executed by Access Control Lists (ACLs) residing on routers. ACLs are ruled that regulate in case network connection should be accept or reject a specific IP address.

But ACLs cannot regulate the type of packet it is stoping. Also, ACL alone does not have the scope to keep threats out of the network.

Thus, the Firewall was introduced. Connectivity to the Internet is no longer alternative for organizations. After all, connecting the Internet gives contribute to the organization, it also implements the outside world to connect with the internal network of the system.

This threat to the organization. In order to protect the private network from illegal traffic, we require a Firewall.

Features of firewall

(1) Firewall works to purify the traffic and delete the junk files or unwanted activity.

(2) Firewall stops malicious access over a network.

(3) Firewall senses immediately and identifies the outside attack and also warns the real user over a network.

(4) Specially next-generation firewalls, target on stop malware and application-layer attacks.

To read more please visit our website MIHIRB TECH

--

--

Mihir Borah
Mihir Borah

Written by Mihir Borah

I am a web developer, blogger and digital marketer. For any computer technology products and information you can visit my website www.mihirb.com

No responses yet