Using Security Groups

Create Security Group

First, we have to create a security group that can later be applied to a cloud server instance

1. From our Cloud Management Portal, select Networking -> Security Groups
2. Click ' Create Security Group'
3. Enter a Name for your security group (i.e. Allow Inbound SSH from Corporate Office), and an optional description
4. Click into your security group, then select Add Rule
5. From this screen, you may add a rule for the service you're looking to add.

An example for SSH, add rules as follows:

Apply Security Group

Next, we apply the security group we made to an instance for it to take effect

1. From our Cloud Management Portal, select Server, then select the server you want to allow SSH for
2. Click 'Security Groups', then ' Add Security Group'
3. From the drop down list, select the ' Allow Inbound SSH from Corporate Office' security group, and choose Add Security Group.

Operations Strategy

Some folks choose to maintain 1 security group with all of their services and rules in it, while others elect to make discreet security groups to be applied concurrently, as we have demonstrated in this article. While there are operational drawbacks of using one security group for all services, in that its harder to audit in larger environments, there are no performance impacts to either approach.

Example Rules

Inbound PING

Inbound HTTP and HTTPS

Updated on: 12/03/2025