AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.
EC2-Classic: You can have up to 100 rules per group.
EC2-VPC: You can have up to 50 rules per group (covering both ingress and egress rules).
Rule changes are propagated to instances within the security group as quickly as possible. However, a small delay might occur.
[EC2-Classic] This action gives one or more CIDR IP address ranges permission to access a security group in your account, or gives one or more security groups (called the source groups) permission to access a security group for your account. A source group can be for your own AWS account, or another.
[EC2-VPC] This action gives one or more CIDR IP address ranges permission to access a security group in your VPC, or gives one or more other security groups (called the source groups) permission to access a security group for your VPC. The security groups must all be for the same VPC.
Namespace: Amazon.EC2
Assembly: AWSSDK.dll
Version: (assembly version)
public virtual AuthorizeSecurityGroupIngressResponse AuthorizeSecurityGroupIngress( AuthorizeSecurityGroupIngressRequest request )
Container for the necessary parameters to execute the AuthorizeSecurityGroupIngress service method.
.NET Framework:
Supported in: 4.5, 4.0, 3.5