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Managing your cloud resources with OpenStack/en: Difference between revisions
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Managing your cloud resources with OpenStack/en (view source)
Revision as of 14:17, 10 November 2016
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A security group is a set of rules to control network traffic into and out of your virtual machines. To manage security groups go to ''Project->Compute->Access & Security'' and select the ''Security Groups'' tab. You will see a list of currently defined security groups. If you have not previously defined any security groups, there will be single default security group. | A security group is a set of rules to control network traffic into and out of your virtual machines. To manage security groups go to ''Project->Compute->Access & Security'' and select the ''Security Groups'' tab. You will see a list of currently defined security groups. If you have not previously defined any security groups, there will be single default security group. | ||
To add or remove rules from a security group click ''Manage Rules'' | To add or remove security rules from a security group click ''Manage Rules'' for that particular security group. To add a new rule click ''Add Rule'' button in the top right, to remove a rule click ''Delete Rule'' beside the rule you wish to delete. | ||
The '''default security group''' contains rules which allow a VM access out to the internet, for example to download operating system upgrades or package installations, but does not allow another machine to access it, except for other VMs belonging to the same default security group. We recommend you do not remove rules from the default security group as this may cause problems when creating new VMs. You may recall, however, in the [[Cloud Quick Start]] you were directed to add a security rule for port 22 to allow incoming traffic so that you were able to connect to your VM ([[Cloud Quick Start#Firewall, add rules to allow SSH|Firewall, add rules to allow SSH]]). | The '''default security group''' contains rules which allow a VM access out to the internet, for example to download operating system upgrades or package installations, but does not allow another machine to access it, except for other VMs belonging to the same default security group. We recommend you do not remove rules from the default security group as this may cause problems when creating new VMs. You may recall, however, in the [[Cloud Quick Start]] you were directed to add a security rule for port 22 to allow incoming traffic so that you were able to connect to your VM ([[Cloud Quick Start#Firewall, add rules to allow SSH|Firewall, add rules to allow SSH]]). | ||