Import you must give permission to the bucket itself and /*

{
“Version”: “2012-10-17”,
“Statement”: [
{
“Sid”: “Stmt1333333300”,
“Effect”: “Allow”,
“Action”: [
“s3:DeleteObject”,
“s3:GetObject”,
“s3:PutObject”,
“s3:GetObjectAcl”,
“s3:PutObjectAcl”
],
“Resource”: [
“arn:aws:s3:::my.bucket.com/*”,
“arn:aws:s3:::my.bucket.com”
]
}
]
}

http://stackoverflow.com/questions/38774798/accessdenied-for-listobjects-for-s3-bucket-when-permissions-are-s3