0

Problem: Lost my wifi connection after using HP Laptop running uBuntu 18.04 in a public place. My wifi symbol was gone when I got home. When I click on System Task Bar it says wifi is not connected. I then click on connect wifi, and then choose my home network and it asks for authentication. My wifi signal then appears and Ubuntu shows that I am connected to my network. I am using Firefox as my web browser.. When I try to go anywhere on the web I get a "Hmmm we can't find that website" no matter what it is. I have another laptop, a DELL Latitude running Win 7 and it connects to my home network with no problem. Also, now when I return to this restaurant with either laptop it connects to their wifi with no problem.

Did I get hacked at the public wifi? What do I have to do to get my wifi working again? Anyone have any suggestions? Is this a Mozilla problem as I use that on both laptops but the one running Ubuntu is giving problem.

  • What does nslookup askubuntu.com tell you about nameserver that it's using ? If you suspended the laptop after using the laptop after using it on public wifi it is quite possible that it is still using the old nameserver to resolve websites ( i.e., find what IP address belongs to a website ) – Sergiy Kolodyazhnyy Jan 20 at 10:19
  • Try the same command nslookup in your other Windows 7 laptop and compare the nameservers that the two machines are using – Sergiy Kolodyazhnyy Jan 20 at 10:20
0

My idea is that there is kind of proxy installed. Things to be checked are Wi-Fi and Network in Settings. On the other hand, contrary to other browsers, Firefox may use its own Connection Settings (in preferences - Network Settings). There are 4 possible choices: No proxy, Auto-detect, system proxy and manual proxy. At last, and it worked for me, you can remove firewall in terminal (Ctrl+Alt+T) with sudo ufw disable.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.