FIREWALL

Use Firewall Hide your self

Firewall is an application (Software) and hardware to prevent an unauthorized access of computer system or to a group of networked computers. It provides different types of services to an authorized user and blocks an unauthorized user. Unauthorized users always attempt to damage or steal some valuable information. Firewall having a group of control policy on the network traffic while pass through the access point. The firewall can ensure that the policy is followed by all the users on the network. Firewall cannot use any communication protocol but it can implement security rules.