Inbound security rules

By default, all the subnets and NICs that are not associated with NSG have all the inbound traffic allowed and once they are associated with an NSG, the following inbound security rules are assigned to them as they are a default part of any NSG:

  • AllowVnetInBound: Allows all the inbound traffic that comes from a virtual network
  • AllowAzureLoadBalancerInBound: Allows all the inbound traffic that comes from Load Balancer
  • DenyAllInbound: Denies all the inbound traffic that comes from any source
Figure 2.14: Default inbound security rules

As shown in the previous screenshot, the rule consists of some properties, such as ...

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