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Hairpin dns issue (lemmy.world)

submitted 2 months ago by mortalic@lemmy.world to c/selfhosted@lemmy.world

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I've got Immich working great on Unraid, but if I'm on my network I can't really use it. Just fails to resolve the dns. I looked it up and it's that my router doesn't support hairpin or something. It's a Aginet hb810. I found a workaround in the Immich client where you can add a second entry that's network specific, but it doesn't seem to work very reliably.

What are my options?

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[–] tko@tkohhh.social 1 points 2 months ago (1 children)

As I dug into this, I found that it is in fact trivial to change the Unraid UI ports. There's a setting for it. I can only assume that since Unraid attracts a LOT of novices, bad advice gets passed around and taken as gospel. So, I changed Unraid's ports, set my reverse proxy to listen on 80/443, updated the NAT on my router, and added the relevant host overrides to the DNS Resolver. Hairpin eliminated. Thanks again!

[–] cecilkorik@lemmy.ca 2 points 2 months ago

Great news! Also thanks for providing the follow-up, hopefully it helps people who use Unraid in the future.