---
title: "Create Inbound Rules"
canonical: "https://docs.infoblox.com/space/DeploymentGuidevNIOSforGCP/736298011/Create%20Inbound%20Rules"
format: markdown
---
Next, we’ll create a firewall rule to allow appropriate traffic inbound to the VPC for the vNIOS instances. For full details on ports and protocols used by Infoblox NIOS, refer to NIOS documentation at <u>[https://docs.infoblox.com](https://docs.infoblox.com)</u>. 

1. Click **ADD RULE**.
2. Set the Priority.
3. Set the Direction of traffic to **Ingress** and Action on match to **Allow**.

![image](media://871f8f62-7d3a-4fc7-8049-c114c06c4303)

4. Expand the **Target Type** menu and select **All instances in the network**.
5. Expand the **IP type** menu and select **IPv4**.
6. For the Source IP ranges, enter **0.0.0.0/0** to allow traffic from anywhere.

*Note: For security of production environments, limit the source IP ranges.*

![image](media://d17772dc-6419-4547-aa97-c52cd9fb66d2)

7. Toggle the **Protocols and ports** option to **Specified protocols and ports**.
8. Check the boxes for **tcp** and **udp**.
9. Enter the following ports:
  - TCP: 22, 53, 443
  - UDP: 53, 1194, 2114
10. Click **CREATE**.

![image](media://63c48558-565c-4091-86cd-ec69035fbec6)

11. Review the rules you created as well as those automatically created for you.
12. Click **CONTINUE**.

![image](media://1c23b100-75e6-4a8a-9992-e53e9ad928f8)

13. Click **ASSOCIATE**.

![image](media://db9cff02-86d0-4603-b247-51a62ca5e714)

14. Select the VPC(s) to associate this policy with.
15. Click **ASSOCIATE**.

![image](media://eb389b91-cad4-4f0f-b5b7-7c4451a9a0ea)