Uses of DMZ
DMZ networks are an important part of corporate network security for as long as firewalls have existed. They are used for similar reasons. Protect sensitive organizational systems and resources. DMZ networks are commonly used for:
- Reduce and control access to the systems by external users
- Host corporate resources to make them available to authorized external users.
What is a DMZ Network in CCNA?
DMZ Network stands for the demilitarized zone it is a perimeter network that protects along with adding an extra layer of security to an organization’s internal local-area network from untrusted traffic present in the network. DMZ is a subnetwork that works between what is called private networks and public internet. A DMZ is a network barrier between trusted and untrusted networks within an organization’s private and public networks. DMZ acts as a protective layer that prevents external users from accessing company data. The DMZ receives requests for access to a company’s information and its website from external users or public networks. For this type of request, the DMZ coordinates the session over the public network. Sessions cannot start on private networks. If someone tries to do malicious activity in your DMZ, your website will break, but your other information will remain safe. The purpose of the DMZ is to provide access to untrusted networks by ensuring the security of private networks. A DMZ is not required, but we recommend using it with a firewall.
Some services of a DMZ are:
The purpose of demilitarized zones is to allow access to resources from untrusted networks while keeping the private network secure. DMZ can be used as a router, DMZ router becomes a LAN, with computers and other devices connecting to it. This ensures that the firewall in the system does not disturb the performance.
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