this post was submitted on 05 Oct 2024
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I still cannot connect to captive portals for public WiFis, eg on train or hotel and I have no idea where the config comes from.
DNS? Resolve.conf? Systemd network manager? WTF?
(Probably for the best though, so I use my phone 5G and not these suss open networks )
I use this project (https://github.com/FiloSottile/captive-browser) which works most of the time.
Most captive portals work by answering the DNS requests with the captive portal ip. This works only if the correct dns servers are configured and a lot of security features like dnssec, DOH, ... are disabled.
More info from the project author: https://words.filippo.io/captive-browser/
So you run this to sign into the portal, is that right? Thanks
Edit: OK had a read, I will look into this. I don't have chrome on my machine but will see if it works with chromium swapped in instead. :)