this post was submitted on 04 Jul 2023
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Is there a way to disable access to the OPNSense GUI when entering the public IP address into a browser on the LAN?

I'm hosting a webser on my home network. I can access the web server from the Internet, but when I'm internal and browse to the domain, I'm taken to the OPNSense GUI.

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[–] papertigers@lemmy.world 4 points 1 year ago (1 children)

Look for something called hairpin NAT or NAT reflection

[–] papertigers@lemmy.world 5 points 1 year ago (1 children)

It looks like opnsense exposes this on the port forward page. Go to your port 80/443 forward and there is probably an enable NAT reflection option.

[–] starkcommando@lemmy.world 2 points 1 year ago (1 children)

https://imgur.com/a/y2KdPNf

These are the options I've found related to NAT reflection. After enabling the first option, I'm no longer taken to the GUI but I'm not hitting the web server either. Enabling the second makes no difference.

[–] starkcommando@lemmy.world 3 points 1 year ago

The 3rd option worked. Thanks for your help!