What are the five steps required to configure a zone-based firewall in Cisco IOS?

The below are the configuration tasks that you need to follow:

Configure Zones.
Assign Router Interfaces to zones.
Create Zone Pairs.
Configure Interzone Access Policy (Class Maps & Policy Maps)
Apply Policy Maps to Zone Pairs.

What is a zone-based policy firewall?

Zone-Based Policy Firewall (also known as Zone-Policy Firewall, or ZFW) changes the firewall configuration from the older interface-based model to a more flexible, more easily understood zone-based model. Interfaces are assigned to zones, and inspection policy is applied to traffic moving between the zones.

What are the general rules for applying Zone-Based policy firewall?

Zone-Based Policy Firewall Rules for Application Traffic

A zone must be configured before you can assign interfaces to the zone.
You can assign an interface to only one security zone.
Traffic is implicitly allowed to flow by default among interfaces that are members of the same zone.

Is Cisco ASA zone-based firewall?

Cisco ASA vs IOS Router with Zone-Based Firewall It sounds like it might be an easy choice, but it’s not. Furthermore, the ASA doesn’t support Policy Base Routing, since the ASA routes traffic through one active default gateway and it can’t classify packets based on source/service like routers do.

What is the purpose of a firewall?

A firewall is a network security system. The purpose of a firewall is to protect computers from several types of Internet attacks.

What is a LAN firewall?

Network Firewall is a device which controls access to secured LAN network to protect it from unauthorized access. Firewall acts as a filter which blocks incoming non-legitimate traffic from entering the LAN network and cause attacks.

How do network firewalls work?

Network firewalls work by comparing network traffic to a set of rules, each of which typically specifies a network or application protocol and the source and destination of the communication. For example, a rule might permit to reach the organization’s e-mail server from external hosts.

What is firewall in networking?

A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. Firewalls have been a first line of defense in network security for over 25 years. They establish a barrier between secured…