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Internet Only Works if Internet Sharing Ticked

zednud

zednud

macrumors newbie
Original poster
Aug 25, 2017
2
0
Johannesburg, Gauteng
Hi,



My 2012 MacBook Air (1.7Ghz Core i7, 8GB memory OSX Sierra 10.12.6),

is having connectivity issues. My WiFi connection is robust and stable (tested on multiple devices including other MacBook Airs).


The only way I can get the internet to work is by turning on Internet Sharing under the Sharing section of System Preferences.

Just for clarity, I can connect to the internet through my device, but only if the internet sharing check box under System Preferences/Sharing is ticked!

I wouldn't mind just leaving it on, however, at my university (which is protected with 802.1X) I cannot connect to the internet as Internet Sharing is not allowed on the network. To clarify, I can connect to this enterprise network, I just can't access the internet as Internet sharing is unticked)

I have tried the following:

  • Restarting the computer
  • Resetting the router
  • Deleting and readding Wifi as a network interface
  • Changing the WiFi location
  • Deleting preference plist files (specified by various articles)
  • Running diagnostics tests
  • Renewing DHCP
  • Changing the location
  • Changing MTU to 1453
  • Resetting the PRAM
  • Resetting the SMC

Google Chrome has given me the following error messages (when internet sharing is unticked and a network has been connected to):
  1. There is no Internet Connection
  2. DNS Address could not be found
I also tried looking up what system settings Internet Sharing changes but can't seem to find anything which can help me (without knowing the .plist syntax - apparently the attached file is used)

Thanks in advance!
 

Attachments

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zednud said:
Hi,



My 2012 MacBook Air (1.7Ghz Core i7, 8GB memory OSX Sierra 10.12.6),

is having connectivity issues. My WiFi connection is robust and stable (tested on multiple devices including other MacBook Airs).


The only way I can get the internet to work is by turning on Internet Sharing under the Sharing section of System Preferences.

Just for clarity, I can connect to the internet through my device, but only if the internet sharing check box under System Preferences/Sharing is ticked!

I wouldn't mind just leaving it on, however, at my university (which is protected with 802.1X) I cannot connect to the internet as Internet Sharing is not allowed on the network. To clarify, I can connect to this enterprise network, I just can't access the internet as Internet sharing is unticked)

I have tried the following:

  • Restarting the computer
  • Resetting the router
  • Deleting and readding Wifi as a network interface
  • Changing the WiFi location
  • Deleting preference plist files (specified by various articles)
  • Running diagnostics tests
  • Renewing DHCP
  • Changing the location
  • Changing MTU to 1453
  • Resetting the PRAM
  • Resetting the SMC

Google Chrome has given me the following error messages (when internet sharing is unticked and a network has been connected to):
  1. There is no Internet Connection
  2. DNS Address could not be found
I also tried looking up what system settings Internet Sharing changes but can't seem to find anything which can help me (without knowing the .plist syntax - apparently the attached file is used)

Thanks in advance!
Click to expand...

I sounds like maybe you have something installed on the computer that maybe causing your issue. Run EtrCheck and post the results.
 
EtreCheck version: 3.4.4 (448)

Report generated 2017-08-28 11:47:57

Download EtreCheck from https://etrecheck.com

Runtime: 3:11

Performance: Good



Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Click the [Remove/Report] links to remove adware or update the whitelist of legitimate software.



Problem: Other problem



Hardware Information: ⓘ

MacBook Air

[Technical Specifications] - [User Guide] - [Warranty & Service]

MacBook Air - model: MacBookAir6,2

1 1.7 GHz Intel Core i7 (i7-4650U) 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

Handoff/Airdrop2: supported

Wireless: en0: 802.11 a/b/g/n/ac

Battery: Health = Normal - Cycle count = 810

iCloud Quota: 2.76 GB available


Video Information: ⓘ

Intel HD Graphics 5000 - VRAM: 1536 MB

Color LCD 1440 x 900


Disk Information: ⓘ

APPLE SSD SM0512F disk0: (500.28 GB) (Solid State - TRIM: Yes)

[Show SMART report]

EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB

(disk0s2) <not mounted> [CoreStorage Container]: 499.42 GB

Recovery HD (disk0s3 - Journaled HFS+) <not mounted> [Recovery]: 650 MB


USB Information: ⓘ

USB30Bus

Apple Inc. BRCM20702 Hub

Apple Inc. Bluetooth USB Host Controller


Thunderbolt Information: ⓘ

Apple Inc. thunderbolt_bus


Virtual disks: ⓘ

Macintosh HD (disk1 - Journaled HFS+) / [Startup]: 499.06 GB (109.78 GB free)

Encrypted AES-XTS (Unlocked)

Physical disk: disk0s2 499.42 GB Online



System Software: ⓘ

macOS Sierra 10.12.6 (16G29) - Time since boot: about one day


Gatekeeper: ⓘ

Mac App Store and identified developers


Possible adware: ⓘ

Unknown file: /Library/LaunchDaemons/.com.mysql.mysql.plist.swn (hidden)

Unknown file: /Library/LaunchDaemons/.com.mysql.mysql.plist.swo (hidden)

Unknown file: /Library/LaunchDaemons/.com.mysql.mysql.plist.swp (hidden)

3 possible adware files found. [Remove/Report]


Kernel Extensions: ⓘ

/Library/Application Support/VirtualBox

[loaded] org.virtualbox.kext.VBoxDrv (5.1.16) [Lookup]

[loaded] org.virtualbox.kext.VBoxNetAdp (5.1.16) [Lookup]

[loaded] org.virtualbox.kext.VBoxNetFlt (5.1.16) [Lookup]

[loaded] org.virtualbox.kext.VBoxUSB (5.1.16) [Lookup]



/Library/Extensions

[not loaded] jp.co.roland.RDUSB01B5Dev (1.0.1 - SDK 10.9) [Lookup]



System Launch Agents: ⓘ

[not loaded] 7 Apple tasks

[loaded] 179 Apple tasks

[running] 96 Apple tasks


System Launch Daemons: ⓘ

[not loaded] 41 Apple tasks

[loaded] 174 Apple tasks

[running] 104 Apple tasks


Launch Agents: ⓘ

[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a23d420d.plist (Adobe Systems, Inc. - installed 2017-01-11) [Lookup]

[running] com.google.keystone.agent.plist (Google, Inc. - installed 2017-07-10) [Lookup]

[loaded] com.oracle.java.Java-Updater.plist (? 794ba972 72ac4dde - installed 2017-07-27) [Lookup]

[loaded] org.macosforge.xquartz.startx.plist (Apple Inc. - XQuartz - installed 2016-10-26) [Lookup]


Launch Daemons: ⓘ

[not loaded] .com.mysql.mysql.plist.swn (hidden) (? 0 ? - installed 2017-06-02) [Lookup]



[not loaded] .com.mysql.mysql.plist.swo (hidden) (? 0 ? - installed 2017-06-02) [Lookup]



[not loaded] .com.mysql.mysql.plist.swp (hidden) (? 0 ? - installed 2017-06-02) [Lookup]



[loaded] com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2017-01-11) [Lookup]

[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2017-01-11) [Lookup]

[loaded] com.adobe.fpsaud.plist (? 2afb3af7 e92009a9 - installed 2017-07-25) [Lookup]

[loaded] com.apple.aelwriter.plist (Apple, Inc. - installed 2013-10-02)

[running] com.apple.qmaster.qmasterd.plist (Apple, Inc. - installed 2010-08-26)

[running] com.google.keystone.daemon.plist (Google, Inc. - installed 2017-07-27) [Lookup]

[loaded] com.microsoft.autoupdate.helper.plist (Microsoft Corporation - installed 2017-08-16) [Lookup]

[loaded] com.microsoft.office.licensing.helper.plist (? 6d8cb30e d17a0150 - installed 2015-01-16) [Lookup]

[loaded] com.microsoft.office.licensingV2.helper.plist (Microsoft Corporation - installed 2016-07-09) [Lookup]

[not loaded] com.mysql.mysql.plist (Shell Script 69ec28f4 - installed 2017-06-02) [Lookup]

[loaded] com.oracle.java.Helper-Tool.plist (Shell Script e3fefdd2 - installed 2017-07-22) [Lookup]

[loaded] com.oracle.oss.mysql.mysqld.plist (Oracle America, Inc. - installed 2017-06-28) [Lookup]

[loaded] comp.text.tex.distribution.Helper.plist (? 7978137b 9b91515e - installed 2015-09-24) [Lookup]

[running] jp.co.roland.RDUSB01B5Setupd.plist (Roland Corporation - installed 2017-06-16) [Lookup]

[loaded] org.macosforge.xquartz.privileged_startx.plist (Apple Inc. - XQuartz - installed 2016-10-26) [Lookup]

[not loaded] org.virtualbox.startup.plist (Shell Script 700b9385 - installed 2017-03-14) [Lookup]


User Launch Agents: ⓘ

[loaded] com.dropbox.DropboxMacUpdate.agent.plist (Dropbox, Inc. - installed 2017-08-15) [Lookup]

[loaded] com.skype.skype.shareagent.plist (Skype Communications S.a.r.l - installed 2017-08-26) [Lookup]

[not loaded] org.virtualbox.vboxwebsrv.plist (Oracle America, Inc. - installed 2017-03-14) [Lookup]


User Login Items: ⓘ

Flux Application

(/Applications/Flux.app)

Google Drive Application

(/Applications/Google Drive.app)

CrossOver CD Helper Application

(/Applications/CrossOver.app/Contents/Resources/CrossOver CD Helper.app)

Android File Transfer Agent Application

(~/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)

Dropbox Application

(/Applications/Dropbox.app)


Internet Plug-ins: ⓘ

QuickTime Plugin: 7.7.3 (installed 2017-07-26)

AdobePDFViewerNPAPI: 17.012.20095 (installed 2017-08-14) [Lookup]

AdobePDFViewer: 17.012.20095 (installed 2017-08-14) [Lookup]

SharePointBrowserPlugin: 14.6.6 (installed 2016-08-10) [Lookup]

PepperFlashPlayer: 26.0.0.151 (installed 2017-08-08) [Lookup]

Silverlight: 5.1.30317.0 (installed 2014-06-01) [Lookup]

JavaAppletPlugin: Java 8 Update 144 build 01 (installed 2017-07-27) Check version



Audio Plug-ins: ⓘ

DVCPROHDAudio: 1.3.2 (installed 2013-10-09)



3rd Party Preference Panes: ⓘ

Boutique (installed 2016-09-16) [Lookup]

Flash Player (installed 2017-07-25) [Lookup]

Java (installed 2017-07-27) [Lookup]

MySQL (installed 2017-03-18) [Lookup]

TeXDistPrefPane (installed 2015-09-20) [Lookup]


Time Machine: ⓘ

Time Machine not configured!



Top Processes by CPU: ⓘ

64% Google Chrome Helper

23% WindowServer

22% Google Chrome

11% Google Chrome Helper

8% kernel_task


Top Processes by Memory: ⓘ

830 MB kernel_task

317 MB Google Chrome Helper

265 MB Google Chrome Helper

264 MB studio

253 MB Google Chrome


Top Processes by Network Use: ⓘ

Input Output Process name

1 MB 177 KB mDNSResponder

555 KB 511 KB Dropbox

119 KB 24 KB netbiosd

8 KB 8 KB apsd

2 KB 2 KB ntpd


Top Processes by Energy Use: ⓘ

47.10 Google Chrome Helper

19.78 WindowServer

19.10 Google Chrome

8.70 Google Chrome Helper

4.02 hidd


Virtual Memory Information: ⓘ

1.81 GB Available RAM

17 MB Free RAM

6.19 GB Used RAM

1.79 GB Cached files

1.04 GB Swap Used


Software installs: ⓘ

Adobe Pepper Flash Player: (installed 2017-08-08)

Adobe Acrobat Reader DC (17.012.20093): (installed 2017-08-10)

Adobe Acrobat Reader DC (17.012.20095): (installed 2017-08-14)

Microsoft AutoUpdate: (installed 2017-08-16)

Microsoft PowerPoint for Mac: (installed 2017-08-22)

Microsoft Outlook for Mac: (installed 2017-08-22)

Microsoft Excel for Mac: (installed 2017-08-22)

Microsoft OneNote for Mac: (installed 2017-08-22)

Microsoft Word for Mac: (installed 2017-08-22)



Install information may not be complete.


Diagnostics Information: ⓘ

2017-08-27 16:47:02 Google Drive.app High CPU use [Open] [Details]

2017-08-25 20:17:40 Microsoft Excel.app High CPU use [Open] [Details]


Files deleted by EtreCheck: ⓘ

2017-08-28 11:23:29 - ~/Library/LaunchAgents/com.google.GoogleContactSyncAgent.plist - Unknown

2017-08-28 11:23:29 - ~/Library/LaunchAgents/com.valvesoftware.steamclean.plist - Unknown

2017-08-28 11:24:43 - /Library/LaunchAgents/ss_conn_service - Unknown
[doublepost=1503914807][/doublepost]Deleted vpn software, restarted and ut seems to be working..
 
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