Imandi kheerthi Pandranki Divya Revathi III/IV B.E. CSE III/IV B.E. CSE Department Of Computer Science Engineering, Department Of Computer Science Engineering, Dr. L. Bullayya College of Engineering For Women, Dr. L. Bullayya College of Engineering For Women, Visakhapatnam. Visakhapatnam. Email Id: Isukheerthi900@gmail.com Email Id: firstname.lastname@example.org
This paper is going to present an impact on network security. In this present scenario, network security plays an important role. Network security is the process of preventing and detecting unauthorized use of your computer. This paper aims to clear the concept about network security and how to protect (or) secure our messages by using a firewall and the types of network securities are available in the present scenario and also we have tried to point out the problems to computer and networks we have also reveals how to tackle this problems using method like firewall and cryptography. Introduction:-
For the first few decades of their existence, computer networks where primarily used by university researchers. Network security involves the authorization of access to data . Users assigned an ID and password that allows them to access the information and programs with in their authority. Network security covers verity of computer networks both public and private that are used in everyday jobs conducting transactions and communications among business, government agencies and individuals.
How to protect:-
We can protect by using 3 types:-
Firewall - Makes it harder for...