How to Create Firewall Rule on Google Cloud Platform.

 

Virtual Private Cloud (VPC) firewall rules apply to a given project and network. VPC firewall rules let you allow or deny connections to or from your virtual machine (VM) instances based on a configuration that you specify.

When you create a VPC firewall rule, you specify a VPC network and a set of components that define what the rule does. The components enable you to target certain types of traffic, based on the traffic’s protocol, destination ports, sources, and destinations.

 

  • Login to google cloud platform portal.
  • Click on VPC network.
  • Select Firewall.

 

Fig 1

 

  • Click on Create Firewall rule.

 

Fig 2

 

  • Provide the firewall rule name.
  • On Logs for monitoring the log.
  • Select Default or existing VPC network.
  • Set the priority of rule.
  • Select Ingress for Direction of traffic.

 

Fig. 3

 

  • Select Allow for Action on Match.
  • Select Targets, If you want to allow traffic to all clients in the network the select All instances in the network  & If you want to allow traffic to specific clients, select Specified target tags & provide the Targets tags.
  • Provide the Source IP address range.
  • Allow all protocols & ports or Provide some specific protocols & ports.

 

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  • Click on Create.

 

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  • After sometime firewall rule is ready then go to firewall home page.
  • Firewall rule is there with the name we provide.

 

Fig. 7

 

Create Firewall Rule using Shall

 

Fig. 8

 

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