Create a security rule

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In this we will learn about creating security rules with understanding various other functions of security rules. This includes viewing, changing and deleting the security rules.

However, there’s a limit to how many rules per network security group you can create for each Azure location and subscription. Let’s understand about creating security rule:

Firstly, go to the Azure portal to view your network security groups. And, there, search for and select Network security groups.
Secondly, select the name of the network security group you want to add a security rule to.
Then, in the network security group’s menu bar, choose Inbound security rules or Outbound security rules.
Here, several existing rules are listed, including some you may not have added. And, when you create a network security group, several default security rules are created in it.
Then, select Add. Select or add values for the following settings, and then select OK:

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Viewing all security rules

A network security group contains zero or more rules. T

Firstly, go to the Azure portal to view the rules of a network security group. Search for and select Network security groups.
Then, select the name of the network security group that you want to view the rules for.
Lastly, in the network security group’s menu bar, choose Inbound security rules or Outbound security rules.

View details of a security rule

Firstly, go to the Azure portal to view the rules of a network security group. Search for and select Network security groups.
Then, select the name of the network security group that you want to view the details of a rule for.
After that, in the network security group’s menu bar, choose Inbound security rules or Outbound security rules.
Lastly, select the rule you want to view details for. For an explanation of all settings, see Security rule settings.

Change a security rule

Firstly, complete the steps in View details of a security rule.
Then, change the settings as needed, and then select Save. For an explanation of all settings, see Security rule settings.

change security rule — Image Source: Microsoft

Delete a security rule

Firstly, complete the steps in View details of a security rule.
Then, select Delete, and then select Yes.

delete security rule — Image Source: Microsoft

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Reference: Microsoft Documentation