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Log in to the dashboard.
Select the appropriate project from the drop down menu at the top left.
On the Project tab, open the Network tab. The Security Groups tab shows the security groups that are available for this project.
Click Create Security Group to create a new one or select the default security group (the second choice is not recommended).
After choosing the security group, click Manage Rules.
To allow SSH access, click Add Rule.
In the Add Rule dialog box (fig), enter the following values:
Rule:
SSHRemote:
CIDRCIDR:
0.0.0.0/0
Click Add.
Instances will now have SSH port 22 open for requests from any IP address.
To add an ICMP rule, click Add Rule.
In the Add Rule dialog box, enter the following values:
Rule:
All ICMPDirection:
IngressRemote:
CIDRCIDR:
0.0.0.0/0
Click Add.
Instances will now accept all incoming ICMP packets.
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Note: To disassociate an IP address from an instance, click the Disassociate button.
To release the floating IP address back into the floating IP pool, click the Release Floating IP option in the Actions column.