Что такое запросы на сканирование в аэропорту?

У меня много шумов при регистрации, которые кажутся злокачественными и не кричат ​​«проблема», когда я смотрю на них. Это так часто, что это почти бесконечно, и что это связано с беспроводной сетью. Я хотел бы знать, что это значит (по разным причинам, таким как безопасность или время автономной работы...).

Поскольку это связано с сетью, я отключил Bluetooth, а с помощью Thunderbolt Bridge изменил параметр «Настроить IPv4» на Off. Думаю, можно с уверенностью сказать, что все эти сообщения приходят, когда я подключен к доверенной сети.

Каково значение этой информации, которую инженеры-программисты решили записывать в журнал?

Системная информация

Hardware Overview:
  Model Name:   MacBook Pro
  Model Identifier: MacBookPro11,1
  Processor Name:   Intel Core i5
  Memory:   16 GB
  Boot ROM Version: MBP111.0138.B11
  SMC Version (system): 2.16f68
System Software Overview:

  System Version:   OS X 10.10 (14A389)
  Kernel Version:   Darwin 14.0.0
  Boot Volume:  Macintosh HD
  Boot Mode:    Normal
WiFi:
  Software Versions:
  CoreWLAN: 5.0 (500.35.2)
  CoreWLANKit:  4.0 (400.35)
  Menu Extra:   10.0 (1000.33.2)
  System Information:   9.0 (900.9)
  IO80211 Family:   7.0 (700.52)
  Diagnostics:  4.0 (400.68)
  AirPort Utility:  6.3.4 (634.17)
  Interfaces:
en0:
  Card Type:    AirPort Extreme  (0x14E4, 0x112)
  Firmware Version: Broadcom BCM43xx 1.0 (7.15.124.12.8)
  Locale:   FCC
  Country Code: US
  Supported PHY Modes:  802.11 a/b/g/n/ac

Образец журнала

10/24/14 1:01:45.000 AM kernel[0]: en0::IO80211Interface::postMessage bssid changed
10/24/14 1:01:45.000 AM kernel[0]: IO80211AWDLPeerManager::setAwdlOperatingMode Setting the AWDL operation mode from AUTO to SUSPENDED
10/24/14 1:01:45.000 AM kernel[0]: IO80211AWDLPeerManager::setAwdlSuspendedMode() Suspending AWDL, enterQuietMode(true)
10/24/14 1:01:45.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:01:45.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:01:45.000 AM kernel[0]: IO80211ScanManager::scanDone: Scheduling cache purge timer in 30 seconds.
10/24/14 1:01:45.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:01:45.000 AM kernel[0]: en0::IO80211Interface::postMessage bssid changed
10/24/14 1:01:46.000 AM kernel[0]: IO80211AWDLPeerManager::setAwdlOperatingMode Setting the AWDL operation mode from SUSPENDED to AUTO
10/24/14 1:01:46.000 AM kernel[0]: IO80211AWDLPeerManager::setAwdlAutoMode Resuming AWDL
10/24/14 1:01:52.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:01:52.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:11.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:12.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:12.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:12.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:12.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:12.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:12.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:13.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:13.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:13.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:13.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:13.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:13.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:14.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:14.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Scan request received from 'airportd' (pid 29) (2 SSIDs, 0 BSSIDs).
10/24/14 1:02:14.000 AM kernel[0]: IO80211ScanManager::startScanMultiple: Initiating scan.
10/24/14 1:02:14.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:14.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:02:14.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:16.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:02:16.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:17.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:02:17.000 AM kernel[0]: IO80211ScanManager::cachePurge: Rescheduling in 24 seconds.
10/24/14 1:02:22.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:02:22.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:02:41.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:02:41.000 AM kernel[0]: IO80211ScanManager::cachePurge: Rescheduling in 6 seconds.
10/24/14 1:02:47.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:02:47.000 AM kernel[0]: IO80211ScanManager::cachePurge: NOT Rescheduling.
10/24/14 1:03:51.000 AM kernel[0]: IO80211ScanManager::scanDone: Scheduling cache purge timer in 30 seconds.
10/24/14 1:03:57.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:03:57.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:04:21.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:04:21.000 AM kernel[0]: IO80211ScanManager::cachePurge: Rescheduling in 29 seconds.
10/24/14 1:04:25.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:04:25.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:04:50.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:04:50.000 AM kernel[0]: IO80211ScanManager::cachePurge: Rescheduling in 29 seconds.
10/24/14 1:04:54.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:04:54.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:05:19.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:05:19.000 AM kernel[0]: IO80211ScanManager::cachePurge: Rescheduling in 26 seconds.
10/24/14 1:05:20.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:05:20.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:05:45.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:05:45.000 AM kernel[0]: IO80211ScanManager::cachePurge: NOT Rescheduling.
10/24/14 1:08:38.000 AM kernel[0]: IO80211ScanManager::scanDone: Scheduling cache purge timer in 30 seconds.
10/24/14 1:08:43.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:08:43.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:09:08.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:09:08.000 AM kernel[0]: IO80211ScanManager::cachePurge: NOT Rescheduling.
10/24/14 1:10:45.000 AM kernel[0]: IO80211ScanManager::scanDone: Scheduling cache purge timer in 30 seconds.
10/24/14 1:10:50.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:10:50.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:15.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:11:15.000 AM kernel[0]: IO80211ScanManager::cachePurge: NOT Rescheduling.
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::scanDone: Scheduling cache purge timer in 30 seconds.
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:42.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:43.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:43.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:43.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:44.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:44.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:44.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:45.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:45.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:45.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:45.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:45.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:45.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:46.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:47.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:47.000 AM kernel[0]: IO80211ScanManager::startScan: pid 29 had pending scan request. Deleting.
10/24/14 1:11:47.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:47.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:47.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:48.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:48.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:48.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:49.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:50.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:50.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:50.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:51.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:51.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:51.000 AM kernel[0]: IO80211ScanManager::startScan: Initiating scan.
10/24/14 1:11:52.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:11:54.000 AM kernel[0]: IO80211ScanManager::startScan: Broadcast scan request received from 'airportd' (pid 29) ().
10/24/14 1:11:54.000 AM kernel[0]: IO80211ScanManager::getScanResult: All scan results returned for 'airportd' (pid 29).
10/24/14 1:12:12.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:12:12.000 AM kernel[0]: IO80211ScanManager::cachePurge: Rescheduling in 7 seconds.
10/24/14 1:12:19.000 AM kernel[0]: IO80211ScanManager::cachePurge: clearEntries[0] Firing!
10/24/14 1:12:19.000 AM kernel[0]: IO80211ScanManager::cachePurge: NOT Rescheduling.
Не уверен, почему это происходит раз в секунду (или чаще), но запрос на сканирование будет сканировать доступные сети.
Спасибо, @tubedogg. Также странно, что он это делает, хотя я всегда подключен к одному.
Кстати, если это действительно то, что означают сообщения, это все, что я ищу в ответ.

Ответы (1)

Запросы сканирования — это система (аэропортный демон), сканирующая доступные сети Wi-Fi. При просмотре журнала кажется, что он делает это всерьез в течение минуты, затем замедляется на несколько минут, а затем возобновляет работу. Я не уверен, почему он делает это так часто, но пока срок службы батареи не страдает, а система не замедляется в эти периоды, я бы не беспокоился об этом.

Мое время автономной работы разочаровывает, но было бы разумно просто прекратить использовать Google Chrome, прежде чем настраивать систему. ;)
Я заметил, что Yosemite рассылает журнал спамом, как только я подключил шнур питания. Как только он был подключен, сообщения прекращаются. Я предполагаю, что это подход «о, питание отключено, давайте разрядим аккумулятор». Одно из многих улучшений Yosemite.