Home What is What is Domain Controller ,Definition ,Why we need Domain controller in 2020

What is Domain Controller ,Definition ,Why we need Domain controller in 2020

Hey, I hope you guys are safe, doing well, and spending some quality family time. #StayHomeStaySafe

In this article, I will be telling you about the Domain Controller.

A Domain Controller (DC) is a server PC that reacts to security confirmation demands inside a PC domain. It is a server on a system that is liable for permitting host access to domain assets. It verifies clients, stores client account data and upholds security policy for a domain. It is most generally actualized in Windows situations, where it is the highlight of the Windows Active Directory administration. Be that as it may, non-Windows domain controllers can be built up by means of personality the executives programming, for example, Samba and Red Hat FreeIPA.

What is a Domain Controller?

domain controller
Domain controller

A domain is an identification string that refers to a unique Internet address and defines a realm of administrative control. So, by the name itself, Domain Controller, means it is a controller that restricts the usage and access to resources in a domain by unauthorized personnel.
In simple words, it’s like a watchman, who will restrict strangers from entering the premise and only allowing the known ones to pass through. Not only that, but the Domain controller (DC from here) is also responsible for storing user account information and enforcing security policies for that particular domain. DC holds the key to Active Directory, which facilitates working with network resources in a unified manner.

Is Domain Controller important, why?

Yes, domain controllers are very important and so is their security. The DC holds very important information such as group policies (which contains the security settings), all the names and addresses of the computers on the network. So, they are a treasure of private information. We need to secure the DC because this is the honey pot which will be attacked by compromisers and risk the data of the entire network.

Implementation of DC

domain controller

DC is mostly implemented in Windows Environments where it is the core of the Windows Active Directory Service. DC can also be implemented in non-Windows environments via Identity Management Software such as Samba and Red Hat FreeIPA. Every corporation, every organization, except for payment solutions, must have a DC set up in each of their domains inside the network. DC provides a great amount of security.
The relation between DC and Active Directory
Active Directory is a Windows directory service, that facilitates working with interconnected resources in a unified manner. Active Directory is a type of domain, and a domain controller is an important server in that domain. Every domain has a domain controller but every domain isn’t necessarily an Active Directory.

Pros and Cons of DC

Starting with the demerits, on one hand, DC is very important and on the other, it can cause the entire business to cripple.

Pros:

  • Moving on to the brighter side, if DCs are maintained regularly and properly, they prove to be a boon for the network infrastructure.
  • It provides central user management, to grant and revoke user access to the clients, from time to time.
    It encrypts and stores the client data.
  • It enables resource and file sharing on the network to occur fluidly.
  • Federated configuration for redundancy (FSMO): It assures you that the domain will be able to perform its primary function of authenticating users without interruption.

Cons:

  • DC being the central hub of entire information, is most prone to attacks. Simply exploiting DCS grants them with an all-access key.
  • To set up the DC, a large number of hardware and software requirements need to be fulfilled.
  • The network is entirely dependent on DC uptime. DC down, all resources down.
  • OS needs to be maintained and regular security updates need to be pushed.

Setting up domain Controller

  • Configure a standalone server for your domain controller.
  • If you are using Amazon Web Services, ignore this step.
  • If not, the DC server should exclusively be for a DC and nothing else.

What happens when the Domain Controller goes Down?

      Safe keep practices

  • Restrict physical and remote access to DC as much as possible.
  • Only authorized System Admins must be allowed to configure and have access to DC.
  • No other user should be allowed to access DC in any mode, including Terminal mode.
  • Standardize the configuration of DC for easy reuse.
  • Concluding, I want to say, nothing is 100 percent safe, it’s only safer.

Thank you for reading our article on What is Domain Controller. We will be back with another article soon on all the features of Domain Controller.

Follow us for more tech-related articles. Also do not forget to read our article on Xiaomi mix alpha (TRENDING). Comment below for any information, we, here at Techbomb are at your service for any tech-related information.

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