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SECURITY GROUP IN AWS - Coggle Diagram
SECURITY GROUP IN AWS
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Meaning
A security group acts as a virtual firewall for your instance to control inbound and outbound traffic
When you launch an instance in a VPC, you can assign up to five security groups to the instance.
Security groups act at the instance level, not the subnet level.
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Security Group Rules
1) (Inbound rules only) The source of the traffic and the destination port or port range. The source can be another security group, an IPv4 or IPv6 CIDR block, a single IPv4 or IPv6 address, or a prefix list ID.
2) (Outbound rules only) The destination for the traffic and the destination port or port range. The destination can be another security group, an IPv4 or IPv6 CIDR block, a single IPv4 or IPv6 address, or a prefix list ID
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4) An optional description for the security group rule to help you identify it later. A description can be up to 255 characters in length. Allowed characters are a-z, A-Z, 0-9, spaces, and ._-:/()#,[]+=;{}!$*.
Security Group Basics
1) You can specify allow rules, but not deny rules
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