Like all other
security policies, Microsoft Azure Security Center also plays an important role in
explaining the entire set of controls residing inside one’s Azure subscriptions
policies by considering the needs of your company’s security as well as the applications
type.
For experiencing
and utilizing enhanced Azure Networking, the users have to permit a NSG
(Network Security Group)as suggested by the Azure Security Center. These
Network Security Groups will decide that whether to permit the network traffic
to be on your Virtual Machine instances in a Virtual Network or not and can do
this by making use of the list of ACL (Access Control List) rules. Note that the
users may face issues in getting the inner access to the Azure Network, in case
the NSGs is not enabled.
Microsoft’s Azure Security Center
NSGs can get
linked to individual Virtual Machines instances present inside a subnet or can also
be linked to the entire subnet. But if you want to limit the traffic to
individual Virtual Machines then associate anNSG to the particular VM directly because
associating an NSG to a subnet will results in the application of the ACL rules
to all the VM instances in that particular entire subnet.
Hence, on the
behalf of Azure Security Center; we suggest two things written below in case
the NSGs have not been enabled by the users using Azure Service:
- Allow NSGs (Network Security Groups) on subnets
- Allow NSGs (Network Security Groups) on VM (Virtual Machines)
Decision about the
application of the NSGs and about which level, subnet or Virtual Machine one
should make use of, is all at users end. Read and follow as mentioned below to enable
NSGs in Azure Security Center.
Examine and
enter the Azure Security Center’s recommendation table. Now, choose ‘Enable
Network Security Groups’ either on subnets or on virtual machine as you prefer,
provided under the Recommendations blade.
Taking this step
will open the blade ‘Configure Missing Network Security Groups’ for individual
virtual machines or for entire subnet that depends on the suggestion made by
you.
Then choose a
virtual machine or a subnet on which an NSG is to configure.
Doing this will
bring a ‘Choose network security group’ blade in front of your computer screen.
Here, either click the option of an existing NSG or can also click “Create new”
option, if want to create an NSG.
This article is all
about enabling and configuring Network Security Groups in Microsoft’s Azure Security Center
for the managing the Azure network access.
Lena
Smith is the writer of this article and also working as a Technical Supporter.
She has an immense interest in learning and writing about Microsoft office, Office
versions and other technology developments. She always brings some new,
different and knowledgeable facts in front of its readers and moreover after researching
on the particular topic thoroughly and deeply. Office 365, Office 2016 etc is
some topics on which she had written.
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