| 123456789 |
- POST / HTTP/1.1
- Host: us-east-1.ec2.amazonaws.com
- Connection: close
- Accept-encoding: gzip, deflate
- User-Agent: Zend_Http_Client
- Content-Type: application/x-www-form-urlencoded
- Content-Length: 243
- Action=DescribeInstances&InstanceId.1=i-6cfcb00c&AWSAccessKeyId=0123456789&SignatureVersion=2&Timestamp=2011-10-04T10%3A20%3A31Z&Version=2009-04-04&SignatureMethod=HmacSHA256&Signature=qK4FN3uM%2BfXuoUzhqY6HWv7vTYFHooGpD9HYY0WT5Lw%3D
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