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Managing your cloud resources with OpenStack: Difference between revisions
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Managing your cloud resources with OpenStack (view source)
Revision as of 15:23, 25 January 2019
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== Default security group == <!--T:5--> | == Default security group == <!--T:5--> | ||
[[File: | [[File:Default_security_group_EN.png|400px|thumb| Default Security Group Rules (Click for larger image)]] | ||
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. The image on the right shows the default security group rules that should be present: | 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. The image on the right shows the default security group rules that should be present: | ||
* 2 Egress rules to allow your instance to access an outside network without any limitation; there is one rule for IPV4 and one for IPV6. | * 2 Egress rules to allow your instance to access an outside network without any limitation; there is one rule for IPV4 and one for IPV6. | ||