![]() The network security group of Azure executes the rules according to the priority from the minimum number priorities, which should be worked before the maximum numbers. The user can set it to either enable or disable. or also define a range of ports like 200-300, 678-750 Action configures the action of the rule which it wants to be executed. ![]() It can configure it to neither outbound nor inbound Port range explains the rule of the port where the user can specify a value of the single like 90, 80, etc. ![]() Direction provides the navigation of the network traffic. It can define it to look for any protocol or give any one of ESP, AH, ICMP, UDP, or TCP. The protocol defines the rule of the user network protocol. It can be predefined to any values from traffic anywhere and can lock it to single IP, which needs to be given in the notation of CIDR. Source or destination defines the destination or source of the traffic in the network. Therefore, it should have another rule with similar attributes arranged from the minimum value in the priority list where the NSG will not work on it. It is mandatory to note that the NSG in Azure will stop working in a network packet when it catches the matching rule. The NSG in Azure has its rules according to the priority arranged from the minimum numbers, and they are the ones processed before the maximum ones.
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