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Question
In AWS, for VPCs, if you want to blacklist an IP (from accessing your EC2 within the VPC), the only way to do so is via [...]
Answer

NACL (Network Access Contorl List)

^^ since only NACL has deny rules (in addition to allow rules), while Security Groups only have allow rules, no Deny. Recall NACL is set at whole subnet level


Question
In AWS, for VPCs, if you want to blacklist an IP (from accessing your EC2 within the VPC), the only way to do so is via [...]
Answer
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Question
In AWS, for VPCs, if you want to blacklist an IP (from accessing your EC2 within the VPC), the only way to do so is via [...]
Answer

NACL (Network Access Contorl List)

^^ since only NACL has deny rules (in addition to allow rules), while Security Groups only have allow rules, no Deny. Recall NACL is set at whole subnet level


Summary

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