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May 21, 2020 at 19:17 comment added Markus Yes, different server and sudo ufw allow out 53 was necessary. Also, I had issues there with some https repositories. Here sudo ufw allow out 443 helped.
May 9, 2020 at 11:46 vote accept Markus
May 9, 2020 at 11:44 comment added Ephemeral sudo ufw allow out 53 was not necessary. If you want to resolve domain name into an ip addr it is require else it is not require. For example 'nslookup stackexchange.com' command line or ping domainanme.org need this rule, webbrowser need this rule etc...
May 9, 2020 at 11:38 comment added Markus yes, the last two worked for me sudo ufw allow out 80 & sudo ufw reload. I reverted the other ones, only 80/out stayed and it works. sudo ufw allow out 53 was not necessary.
May 9, 2020 at 11:29 comment added Ephemeral Sorry I forgot to specify the rules must be for 'output'. See my edited answer.
May 9, 2020 at 11:28 history edited Ephemeral CC BY-SA 4.0
added 269 characters in body
May 9, 2020 at 11:20 history edited Ephemeral CC BY-SA 4.0
added 410 characters in body
May 9, 2020 at 11:16 comment added Markus Thank you, added a section on the ICMP rules and allowed sudo ufw allow http. See above. No success unfortunately.
May 9, 2020 at 11:14 history edited Ephemeral CC BY-SA 4.0
added 200 characters in body
May 9, 2020 at 11:12 comment added Ephemeral for Failed to fetch http:// ... you need to allow http traffic
May 9, 2020 at 11:09 comment added Ephemeral for your ping command ICMP rule is also require you can read here
May 9, 2020 at 10:52 comment added Markus yes i did, it is now in the updated sudo ufw status above
May 9, 2020 at 10:33 comment added Ephemeral 'then disabled and enabled the ufw firewall again' and have you check again if dns is allowed ?
May 9, 2020 at 10:31 review Low quality posts
May 9, 2020 at 11:18
May 9, 2020 at 10:29 comment added Ephemeral please edit your question with your sudo ufw status command output
May 9, 2020 at 10:28 comment added Markus I allowed dns, then disabled and enabled the ufw firewall again. Still no connection.
May 9, 2020 at 10:12 history answered Ephemeral CC BY-SA 4.0