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After you have created a Security Group, you can create different types of firewall rules to control both the inbound (requests to the instance) and outbound (requests from the instance) firewall permissions. Remember, any instance that is launched into a cloud infrastructure (e.g. AWS EC2), must be assigned at least one security group. And it's the individual firewall permissions defined within those security groups that determines whether or not an inbound/outbound request will be denied. Although changes to a security group's firewall rules will immediately affect all running instances (using that security group) it's recommended that you define a security group's firewall rules prior to launching instances with that security group.
You can create two different types of firewall rules.
The following clouds support the use of security groups:
* Security groups for these clouds are not configured with Network Manager. Go to Clouds > CloudName > Security Groups.To create security groups and firewall rules, see Add a Security Group to another Security Group.
OpenStack - Specify either the username that was used to create the OpenStack cloud account. (e.g. my-company) or the Tenant ID. To locate the Tenant ID, log in to the cloud console and go to Settings > OpenStack API, and copy the suffix at the end of the Nova Service Endpoint. (e.g. http://126.96.36.199:8774/v1/8a2e587052628a2e587df155d8a2e587)
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