Setting and Securing a Remote Windows Management Instrumentation(WMI) Connection

Windows Management instrumentation is your gateway to the management of the entire operating system of windows. The infrastructure that will help you manage the entire operations is functioning on the operation system of the giant windows. It keeps a track of all the data in the system and helps in transferring the same within the system and within various systems coming under the operating system of windows and does it is widely used and crucial, thereby acting as the backbone of the system. It is used in all the applications, which have windows as the operating system, and it is very important for organizations and institutions for keeping a good track of transfer of data required within the system. Many times because of the Windows Management Instrumentation, the computer applications are not working and this is the reason why the CPU also gets a little warmer than it should be and these errors are reduced by generally refreshing your computer or by switching it off and then switching it on again. One of the very great functions that Windows Management Instrumentation applies to is that it helps in managing the remote systems related to the computer. This is generally done through DCOM.

The article below takes you to a quick learning of how to set and secure a remote WMI Connection.

Setting a Remote WMI Connection

  • To get a remote WMI connection there has to be certain changes in the Windows firewall and that can be done by deciding whether to enable or disable the WMA traffic using a firewall interface.
  • The firewall establishment part requires different commands to be used and apart from that it is very important to be sure that the local computer which is being used is following the command or it is not. Once this is ensured, only then the disabling and enabling requirement can happen. When it comes to disabling, it will require the WMI service exception as well as the outgoing exception.
  • The next requirement is to understand the account of the user and control the same to do so there has to be WMI namespaces, which have to be allowed to be open, and therefore requirement for changes have to be done. The settings have to be such that the script can run without any other privilege that has been put across. The admin account has to run a basic script easily.
  • The next thing that is required is the DCOM settings that have to be done. The remote computer that has to be connected eventually to the main user and then this has to be included into the local administrator’s entire group that forms the remote computer set up. There has to be accessed as well and they must be activation as well and the rights required to launch.
  • The next setting that is required is this which has to be updated went the computers are sharing a trusted relationship and if this is done then only the connection will not feel entrusted and do not trust domains have to be modified as per requirement for the same.


Securing a Remote WMI Connection

  • When you are writing the script that involves the remote computer being managed then it has to also be secured accurately and thus you will not let your network open up to the hackers waiting for you to commit this mistake. WMI that is actually Microsoft’s implementation and management tool is an extremely powerful tool that turns out to be the backbone of the Windows operating system.
  • The security of WMI is insured at three major levels and it has to be done very carefully in order to be having secured management of your Windows operating system. Firstly this service where you are giving answer scripts that you are putting are based on the user credentials and therefore sole authority secondly is the DCOM application which is distributed component object model is designed to accept or even reject the required Windows Management Instrumentation.
  • The final requirement is that the WMI has the script noted there and it has to obey the OS security limitations that standby it. There are certain privileges under the security context in which the WMI is supposed to work.
  • The main idea of the security focuses on the access protection of this data and this has to be done by giving the WMI grant of control to certain users only and ensuring that it is only under the secured users and nobody else that's user should have the access to the name space data and nobody else. The rights that are accessible and not accessible to the user have to be done when the name space is being created. Post this it will be checked whether the WMI is secure or not, it will be a strong determinant of the same.
  • It is generally the script that ensures the whether there entire connection will have an authentication-related to it or not. In case of the remote WMI connection it is important that the scripting is done in a manner that the name spaces on the available local computer is ensured with stringent settings.
  • Thus when we talk about securing a remote WMI connection, then the two major components that come across is that accurate DCOM settings and the second one is the WMI namespace which has to be secured. When these two are enabled for the connection it ends up in resulting a secure connection which is desired any default in days to keep the user while the double for undesirable situations and unauthorized access.


Author bio:

The article is courtesy of Petr, He is a CEO of Apro Software, a machine learning company. A serial entrepreneur in the technology sphere. He also writes for various tech blogs. He loves sports and theatre and movies. He is practicing biohacker, surviving on his cup of coffee.

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