Why can't a security group created in 1 VPC be used in another VPC?

Question

HARI Kannan · Accepted Answer

Because they are designed to function within the security boundary of the individual VPC

Anirudh C S · Answer

Security group is a firewall that contains rules to allow traffic in a VPC. Thus, it can only be used within a VPC for as many resources as required. However, when going to a different VPC, the network is different and traffic is different hence, the security group cannot be used.

kareemullah shaik · Answer

It cannot be done as the security or the roles created in one vpc of a particular company may be different from the other company which is in the different vpc. That might create a conflicts between the ip address and complicate security management.

Why can't a security group created in 1 VPC be used in another VPC?

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