What are the steps to setup firewall?

How To Configure a Firewall

1. Secure the Firewall.
2. Establish Firewall Zones and an IP Address Structure.
3. Configure Access Control Lists (ACLs)
4. Configure Other Firewall Services and Logging.

What are rules in a firewall?

Firewall Rules examine the control information in individual packets. The Rules either block or allow those packets based on rules that are defined on these pages. Firewall Rules are assigned directly to computers or to policies that are in turn assigned to a computer or collection of computers.

What is the default rule on a firewall?

By default, the firewall prevents all traffic from a lower security zone to a higher security zone (commonly known as Inbound) and allows all traffic from a higher security zone to a lower security zone (commonly known as Outbound).

What are the best practices for firewalls?

7 Firewall Best Practices for Securing Your Network

• Block traffic by default and monitor user access.
• Establish a firewall configuration change plan.
• Optimize the firewall rules of your network.
• Update your firewall software regularly.
• Conduct regular firewall security audits.

What are the three functions of a firewall?

The functions of a firewall in a network are:

• Controlling and Monitoring Data Packet Flow.
• Become a Network Security Post.
• Log User Activity.
• Prevent Information Leakage.

How do firewall rules work?

What is the default rule for a firewall?

How do you read firewall rules?

Firewall rules are shown as a list on the Rules page. The rules are applied from top to bottom, and the first rule that matches the traffic overrides all the other rules below. The main principle is to allow only the needed traffic and block the rest. Therefore, the last rule of a security level is the Deny rest rule.

What are the two basic functions of a firewall?

A firewall is a protective measure that safeguards an individual’s or company’s computer network. It provides two basic security functions, including packet filtering, which inspects traffic at the packet level, and acting as an application proxy, providing security measures at the application level.