> For the complete documentation index, see [llms.txt](https://docs.acecloud.ai/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.acecloud.ai/knowledge-base/network/how-to-manage-a-security-group.md).
# How to manage a security group?
### a. How to create security groups?
To create a security group, follow the steps below:
**Step 1:** [Login](https://customer.acecloudhosting.com/index.php?m=ace_product_register_addon\&action=login) to your account.
**Step 2**: From the left-hand side menu, select **Networks** and click **Security Group**.
**Step 3**: Click **Create Security Group**.
**Step 4**: Enter the Security Group Name, description, Inbound rules, Outbound rules, and click on **Submit**.
* **Inbound Rules:** Firewall rules that control the traffic **entering** your instance from external sources.
* **Outbound Rules:** Firewall rules that control the traffic **leaving** your instance to external destinations.
### b. How to edit a security group?
To edit a security group, follow the steps below:
**Step 1:** Choose the security group where you want to change the rules.
**Step 2:** Add or delete rules according to your needs.