Advantages of using Firewall
- Protection from unauthorized access: Firewalls can be set up to restrict incoming traffic from particular IP addresses or networks, preventing hackers or other malicious actors from easily accessing a network or system. Protection from unwanted access.
- Prevention of malware and other threats: Malware and other threat prevention: Firewalls can be set up to block traffic linked to known malware or other security concerns, assisting in the defense against these kinds of attacks.
- Control of network access: By limiting access to specified individuals or groups for particular servers or applications, firewalls can be used to restrict access to particular network resources or services.
- Monitoring of network activity: Firewalls can be set up to record and keep track of all network activity.
- Regulation compliance: Many industries are bound by rules that demand the usage of firewalls or other security measures.
- Network segmentation: By using firewalls to split up a bigger network into smaller subnets, the attack surface is reduced and the security level is raised.
Introduction of Firewall in Computer Network
A firewall is a network security device that prevents unauthorized access to a network. It monitors both incoming and outgoing traffic using a predefined set of security to detect and prevent threats.