ec2:防止在没有 IMDSv2 ,EBS未加密的情况下启动 EC2 实例
使用IMDSv1版本的实例非常容易被攻击者获取到安全凭据也就是IAM的AKSK,因此为了避免严重的安全事件,建议所有的EC2实例都使用IMDSv2。
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "DenyRunInstanceWithNoIMDSv2",
"Effect": "Deny",
"Action": "ec2:RunInstances",
"Resource": [
"arn:aws:ec2:*:*:instance/*"
],
"Condition": {
"StringNotEquals": {
"ec2:MetadataHttpTokens": "required"
}
}
},
{
"Sid": "DenyRunInstanceWithUnencryptEBS",
"Effect": "Deny",
"Action": [
"ec2:RunInstances",
"ec2:AttachVolume"
],
"Resource": "arn:aws:ec2:*:*:volume/*",
"Condition": {
"Bool": {
"ec2:Encrypted": "false"
}
}
}
]
}参考资料
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