Auf dem Mac ist die Firewall aktiviert - Standardeinstellung, die ich noch nie verändert habe.
Auf dem NAS ist bei den Systemeinstellungen das Fenster Firewall leer, keine Einträge. "Wenn keine Regel zutrifft, zulassen" ist aktiviert.
Ich habe nur einen Benutzer auf dem Mac, drum kann ich die letzte Frage nicht beantworten.
Hier die Ausgabe von Etrecheck:
Problem description:
NAS wird auf Mac nicht mehr erkannt
EtreCheck version: 2.1.8 (121)
Report generated 22. März 2015 16:27:15 MEZ
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http://etresoft.com/etrecheck
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Click the [Click for details] links for more information about that line.
Hardware Information: ??
MacBook Air (Technical Specifications)
MacBook Air - model: MacBookAir6,2
1 1.3 GHz Intel Core i5 CPU: 2-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery Health: Normal - Cycle count 189
Video Information: ??
Intel HD Graphics 5000
Color LCD 1440 x 900
System Software: ??
OS X 10.10.2 (14C1514) - Time since boot: 1:6:14
Disk Information: ??
APPLE SSD SM0128F disk0 : (121,33 GB)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / : 120.10 GB (20.10 GB free)
Core Storage: disk0s2 120.47 GB Online
USB Information: ??
Apple Internal Memory Card Reader 128,71 GB
Transcend (disk2s1) /Volumes/Transcend : 128.70 GB (71.68 GB free)
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ??
Apple Inc. thunderbolt_bus
Gatekeeper: ??
Mac App Store and identified developers
Kernel Extensions: ??
/Library/Application Support/VirtualBox
[loaded] org.virtualbox.kext.VBoxDrv (4.3.24) [Click for support]
[loaded] org.virtualbox.kext.VBoxNetAdp (4.3.24) [Click for support]
[loaded] org.virtualbox.kext.VBoxNetFlt (4.3.24) [Click for support]
[loaded] org.virtualbox.kext.VBoxUSB (4.3.24) [Click for support]
/System/Library/Extensions
[not loaded] com.ZTE.driver.ZTEUSBCDCACMData (1.3.2) [Click for support]
Launch Agents: ??
[not loaded] com.teamviewer.teamviewer.plist [Click for support]
[not loaded] com.teamviewer.teamviewer_desktop.plist [Click for support]
Launch Daemons: ??
[loaded] com.adobe.fpsaud.plist [Click for support]
[loaded] com.cyberghostsrl.CyberghostPrivilegedHelper.plist [Click for support]
[loaded] com.microsoft.office.licensing.helper.plist [Click for support]
[loaded] com.teamviewer.Helper.plist [Click for support]
[not loaded] com.teamviewer.teamviewer_service.plist [Click for support]
[not loaded] org.virtualbox.startup.plist [Click for support]
User Launch Agents: ??
[not loaded] 3DataManager [Click for support]
[loaded] com.google.keystone.agent.plist [Click for support]
[running] com.spotify.webhelper.plist [Click for support]
[not loaded] org.virtualbox.vboxwebsrv.plist [Click for support]
User Login Items: ??
iTunesHelper Programm (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Programm (/Applications/Dropbox.app)
Caffeine Programm (/Applications/Caffeine.app)
Internet Plug-ins: ??
FlashPlayer-10.6: Version: 17.0.0.134 - SDK 10.6 [Click for support]
QuickTime Plugin: Version: 7.7.3
Flash Player: Version: 17.0.0.134 - SDK 10.6 [Click for support]
Default Browser: Version: 600 - SDK 10.10
SharePointBrowserPlugin: Version: 14.4.5 - SDK 10.6 [Click for support]
Mathematica: Version: 9.0.1.4055068 [Click for support]
JavaAppletPlugin: Version: 15.0.0 - SDK 10.10 Check version
Safari Extensions: ??
AdBlock
3rd Party Preference Panes: ??
Flash Player [Click for support]
Tuxera NTFS [Click for support]
Time Machine: ??
Skip System Files: NO
Mobile backups: OFF
Auto backup: YES
Volumes being backed up:
Transcend: Disk size: 128.70 GB Disk used: 57.01 GB
Macintosh HD: Disk size: 120.10 GB Disk used: 100.00 GB
Destinations:
usbshare1 [Network]
Total size: 1.48 TB
Total number of backups: 15
Oldest backup: 2015-02-10 01:45:04 +0000
Last backup: 2015-02-23 19:33:45 +0000
Size of backup disk: Excellent
Backup size 1.48 TB > (Disk size 248.80 GB X 3)
Top Processes by CPU: ??
47% Dropbox
6% WindowServer
1% com.apple.WebKit.Plugin.64
1% DashboardClient
0% com.bresink.app.systemmonitormenu
Top Processes by Memory: ??
472 MB Safari
223 MB Finder
137 MB ocspd
137 MB WindowServer
129 MB Dropbox
Virtual Memory Information: ??
296 MB Free RAM
4.12 GB Active RAM
3.18 GB Inactive RAM
998 MB Wired RAM
1.62 GB Page-ins
791 KB Page-outs
Diagnostics Information: ??
Mar 22, 2015, 03:20:38 PM Self test - passed