Create a New Security Group
Table of Contents
Table of Contents
Prerequisites
- 'security_manager' user role privilege
Overview
Security groups act as firewalls in your network. A security group defines which ports are open to allow incoming connections to a server. They are designed to control who can communicate (or initiate communication) with a server.
With the Network Manager, you can define multiple security groups within a network from a particular cloud provider. Your instances can access any security group that has been created in Network Manager. For example, if you create two different networks in AWS US-East, with their own security groups, your instances in US-East can access any of the security groups from both networks.
Note: You can assign multiple security groups in a cloud to a server. Permissions defined in a security group are additive in nature. So if a server has two security groups where one group has port 80 open and the other group has port 80 closed, port 80 will be open to the server.
Steps
- Go to Manage > Networks and select the network you would like to use.
- When you click on your network, you will be taken to the Info tab which provides information about your network.
- Go to the Security Groups tab.
- Select New Security Group.
- Name: The user-defined name of the Security Group
- Description: (Optional) The user-defined description of the Security Group.
- Network: The network which contains this security group.
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Common ports (inbound): This displays the most common used inbound (ingress) ports. Inbound ports accept traffic that comes into a server from remote locations.
- SSH (22): This enables port 22 which grants SSH access into the server. For more information, see SSH into a Server.
- HTTP (80): This enables HTTP access to servers.
- HTTPS (443): This enables HTTPs access to servers.
- Remote Desktop (3389): This allows you to use to RDP into a Windows server. For more information, see RDP into a Server.
- Click Save.
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