# 1. Create security group

**Step 1:** On **Security Group** page, select **New Security Group**. A new interface will appear.

![](https://2390348865-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FWlkzQhTPyIXxhxLraR5E%2Fuploads%2FUK51xP71OFVNLtgR7nil%2Fimage.png?alt=media\&token=eb814d66-9162-49eb-8437-cf0054bcd5cf)

![](https://2390348865-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FWlkzQhTPyIXxhxLraR5E%2Fuploads%2Fzf89vRPyYEmAu6XMfmZB%2Fimage.png?alt=media\&token=9e4fe56b-9fb9-43b4-a355-07e61009464c)

**Step 2:** On **New Security Group** page, users configure following fields of information:

* **Name:** Enter your group name. By default the system will set itself for users.
* **Network**: The network range that this security group system depends on. The default will be default VPC network range.

![](https://2390348865-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FWlkzQhTPyIXxhxLraR5E%2Fuploads%2F2L5f1PWHkqjSMFRkdaJn%2Fimage.png?alt=media\&token=27534577-8af8-44b2-a7ed-4e564ddb6dbe)

**Step 3:** Select **Create security group.** After the security group is successfully created, users will be directed to the **Security Group details** page**.**

**Step 4:** On **Security Group details** page, users select instances to include in a security group > Select **Save.** The instances of this Security Group will now be affected by the firewall rules created below.

![](https://2390348865-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FWlkzQhTPyIXxhxLraR5E%2Fuploads%2FSKCdc2hjvw4nmhab0HBU%2Fimage.png?alt=media\&token=dc86ec2d-8401-4551-8c41-bc28729c0693)