A Security Group (SG) acts as a virtual firewall, defining which traffic is allowed to reach your server (VM/instance) and which is blocked. Unlike network-level controls, Security Groups operate directly at the instance level, giving each VM its own protective shield.

Creating a Security Group

• Click on the create button
• Give your security group a name and description
• Press Done

Editing Security Groups

Users can change an existing security group name and description:

• Select a Security Group
• Click on the Edit button
• Change your security group name and description
• Press Done

Deleting Security Groups

To delete an existing Security Group: Select a Security Group Click on the DELETE button. Press CONFIRM.

Security Rules

Every Security Group contains a set of security rules. These rules define how traffic flows in and out (ingress and egress) of your virtual machines and control which protocols, such as ICMP or TCP, are allowed.

Creating Security Rules

To create a security rule, do the following:

• Select a Security Group
• Click on Add Rule
• Select the Rule (TCP, UDP, ICMP)
• Select The Direction (Ingress/Egress)
• Type the Port Range
• Select the Source(CIDR/Security Group)
• Then Click ADD

Deleting Security Rules

To delete an existing Security Rule, you have to do the following:

• Click on the  DELETE icon 
• Press CONFIRM