My Ubuntu 20.04 computer cannot browse any website. This only happens when connected to eduroam WIFI.
ping 220.127.116.11 works, but
host google.com 18.104.22.168 says
Connection timed out; no servers could be reached.
I am not an expert on computer networks, could anyone tell me what is the next step in troubleshooting?
pingand DNS use completely different protocols and methods of communication at the network level, so it's not unusual to see some networks block access to unauthorized DNS services - talk to your helpdesk for assistance.
dig google.com) and post the output?
digproduces no output for several seconds, and then say ; <<>> DiG 9.16.1-Ubuntu <<>> google.com ;; global options: +cmd ;; connection timed out; no servers could be reached