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# 策略示例：拒绝从亚马逊的特定区域发送事件 EventBridge
<a name="eb-event-bus-example-policy-deny-regions"></a>

以下策略示例附加到账户 123456789012 中名为 `CrossRegionBus` 的事件总线，允许此事件总线接收来自账户 111122223333 的事件，但不允许接收在美国西部（俄勒冈州）区域生成的事件。

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#### [ JSON ]

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```
{
  "Version":"2012-10-17",		 	 	 
  "Statement": [
    {
      "Sid": "1AllowAnyEventsFromAccount111112222333",
      "Effect": "Allow",
      "Principal": {
        "AWS": "arn:aws:iam::111112222333:root"
      },
      "Action": "events:PutEvents",
      "Resource": "arn:aws:events:us-east-1:123456789012:event-bus/CrossRegionBus"
    },
    {
      "Sid": "2DenyAllCrossRegionUSWest2Events",
      "Effect": "Deny",
      "Principal": {
        "AWS": "*"
      },
      "Action": "events:PutEvents",
      "Resource": "arn:aws:events:us-east-1:123456789012:event-bus/CrossRegionBus",
      "Condition": {
        "ArnEquals": {
          "aws:SourceArn": [
            "arn:aws:events:us-west-2:*:*"
          ]
        }
      }
    }
  ]
}
```

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