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Forum Discussion

afg1's avatar
afg1
Tutor
Jul 11, 2020

Internet Connection Lost

I am having a frustrating problem where I lose internet connection with my LB1120 modem once or twice a day.  I have it set up with a Ubiquiti Networks Router ER-X.    Mobile carrier is AT&T.  If I l...
icaruspony's avatar
icaruspony
Luminary
Jul 26, 2020

I think I know what is happening.  It happened to me, and I figured it out with a little investigating.

 

Let the problem return (where the connection is not working).  DO NOT REBOOT OR FIX IT.  While the problem is still present, do the following tests:

 

1. Can you ping, still? (yes/no)

ping portquiz.net

 

2. Can you access portquiz.net on port 80? (yes/no)

http://portquiz.net:80

 

3. Can you access portquiz.net on port 443? (yes/no)

https://portquiz.net:443

 

4. Can you access portquiz.net on port 666? (yes/no)

http://portquiz.net:666

 

5. Which VPN were you using that worked?  ______________________

 

6. What port # do you connect to this VPN server on?  _______

 

7. Are you on an AT&T Connect Car Plan or an AT&T Ipad plan? _______

 

This will help you figure things out.  I suspect you will be able to ping and will be able to connect to 666, but you will not have connectivity to 80 or 443, and I suspect your VPN is not using 80 or 443.