Persistent Connectivity Problems: Can't contact the gateway from Android Apps; Can't resolve DNS from Android apps; Can't connect through firewall to HTTP websites from Android apps; High latency to HTTPS websites

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cybertrapped

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Jun 21, 2023, 4:04:56 AM6/21/23
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Hello,

I experience persistent connectivity problems, and when I run a Chromebook Diagnostics connectivity test the panel often shows warnings related to Android Apps.

Local Network: Can't contact the gateway from Android Apps

Name Resolution: Can't resolve DNS from Android apps

Internet Connectivity: Can't connect through firewall to HTTP websites from Android apps

20230621T000500PDT - Chromebook Diagnostics - Connectivity Test Name Resolution Cant resolve DNS from Android apps - Internet Connectivity Cant connect through firewall to HTTP websites from Android apps - Screenshot 2023-06-21 00.04.39.png

20230620T184100PDT - Chromebook Diagnostics Connectivty - Cant Connect to Android Gateway Apps - Screenshot 2023-06-20 18.41.06.png

20230526T084400PDT - Chromebook - Connectivity WARNING - Firewall Android - AppsScreenshot 2023-05-26 08.44.07.png

Other errors may be:

Internet Connectivity: High latency to HTTPS websites

20230524T003400PDT - Chromebook - Diagnostics - Connectivity Test Failed - High Latency HTTP and Android Apps - Screenshot 2023-05-24 00.34.20.png

I connect to the internet through Ethernet to a Cox Cable Modem using a 50x10MBPS service (at least that is what the bill indicates), but every day I experience slow internet speed, for example, a 3-line Google doc will take five minutes to fully load, or a 14KB spreadsheet takes about 7 minutes to load, these are averages. Again, this is almost a permanent condition.

My setup is quite simple, cable modem with Internet service as described before, Ethernet to USB-C cable adapter and the Chromebook. The modem is the most basic thing, it has no wireless connectivity features of any kind.

I have never connected an Android phone to this Chromebook. I only have used the Ethernet connection I described before. I have removed most apps from the Chromebook, and I have not installed anything that did not come with it when I bought it.

The Chromebook version 114.0.5735.119 (Official Build) (64-bit), and the following apps installed:

20230621T005938 - Chromebook and Chrome Installed Apps - Screenshot 2023-06-21 00.59.38.png

So, could I get some feedback?

  • Why if I have never connected this Chromebook to an Android phone, apps from Android are the most recurring problem?
  • What is the meaning of "Can't contact the gateway from Android Apps"?
  • What is the meaning of "Can't resolve DNS from Android apps"?
  • What is the meaning of "Can't connect through firewall to HTTP websites from Android apps"?
  • From the previous question, what firewall is this message referring to?
THANX
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