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Can't get DNS to work on web server (reddthat.com)

submitted 2 days ago* (last edited 2 days ago) by dr_robotBones@reddthat.com to c/selfhosted@lemmy.world

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I'm trying to self host my portfolio on an old laptop running Ubuntu server. I've successfully set up docker and nginx. I got a DNS subdomain from freedns.afraid.org.

The IP connected to the DNS matches my server's public IP address.

I can connect with https://mypublicip/ from outside the network, but it shows as an insecure connection and the https has lines going through it in the browser.

Any attempts to connect to the website via DNS have failed, and trying to connect via IP on port 80 fails as well. I really have no clue what is going on, let me know if you need more information, or if this is the wrong place to ask for help with this sort of thing.

Edit: Whatever problem I had before, it seems its been fixed. However my subdomain is being blocked by ISPs. Thank you for the help everyone, I'll probably have to do cloudflare tunneling instead of fully self-hosting it.

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[–] signalsayge@infosec.pub 2 points 2 days ago (1 children)

Is your firewall allowing port 443 (https) traffic?

[–] dr_robotBones@reddthat.com 1 points 2 days ago (1 children)

I don't think it is, but its hard to tell for sure.

[–] pezhore@infosec.pub 2 points 2 days ago

An easy way to check is to visit a site like this and check for port 443: https://www.yougetsignal.com/tools/open-ports/. You don't need to be on the server that's hosting your portfolio, just any thing that's on the same network as your portfolio (something behind your external router)