little-snitch-rules/rules/ApplePushNotifications.lsrules

{
  "description" : "",
  "name" : "Apple Push Notifications",
  "rules" : [
    {
      "action" : "allow",
      "ports" : "443",
      "process" : "\/System\/Library\/PrivateFrameworks\/ApplePushService.framework\/apsd",
      "protocol" : "tcp",
      "remote-domains" : "push.apple.com"
    },
    {
      "action" : "allow",
      "ports" : "5223",
      "process" : "\/System\/Library\/PrivateFrameworks\/ApplePushService.framework\/apsd",
      "protocol" : "tcp",
      "remote-domains" : "push.apple.com"
    },
    {
      "action" : "allow",
      "ports" : "443",
      "process" : "\/System\/Library\/PrivateFrameworks\/IMTransferServices.framework\/IMTransferAgent.app\/Contents\/MacOS\/IMTransferAgent",
      "protocol" : "tcp",
      "remote-hosts" : "edge-020.ussjc1.icloud-content.com"
    },
    {
      "action" : "allow",
      "ports" : "443",
      "process" : "\/System\/Library\/PrivateFrameworks\/IMTransferServices.framework\/IMTransferAgent.app\/Contents\/MacOS\/IMTransferAgent",
      "protocol" : "tcp",
      "remote-hosts" : "gateway-asset.icloud-content.com"
    },
    {
      "action" : "allow",
      "ports" : "443",
      "process" : "\/System\/Library\/PrivateFrameworks\/IMTransferServices.framework\/IMTransferAgent.app\/Contents\/MacOS\/IMTransferAgent",
      "protocol" : "tcp",
      "remote-hosts" : "gateway.icloud.com"
    },
    {
      "action" : "allow",
      "ports" : "443",
      "process" : "\/System\/Library\/PrivateFrameworks\/IMTransferServices.framework\/IMTransferAgent.app\/Contents\/MacOS\/IMTransferAgent",
      "protocol" : "tcp",
      "remote-hosts" : "p27-content.icloud.com"
    },
    {
      "action" : "allow",
      "ports" : "443",
      "process" : "\/System\/Library\/PrivateFrameworks\/IMTransferServices.framework\/IMTransferAgent.app\/Contents\/MacOS\/IMTransferAgent",
      "protocol" : "tcp",
      "remote-hosts" : "p64-content.icloud.com"
    }
  ]
}