Authentication required even on local network when using local DNS server

General Discussions
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Hello everyone. I’m pretty new to Plex and I’m very much loving it thus far. My only concern is allowing all devices, within the local network, to access my library without login through DNS.

I’m currently using my Centos’ as my web-, media- and DNS server. Using DNS to change the IP to media.domain.com works but the issue is that for some reason the local DNS makes it so I cannot access my library without logging in.

So, using the IP address of the plex site works and I can access the library (without logging in) but as soon as I use my DNS (same server and same network), I can still access the Plex site but just not the server library without logging in.

I’m not sure where the issue lies, or if it even is a Plex issue, but I’ve reached a dead end and I can’t figure this one out. I was wondering if anyone knows how to approach this issue?

I’m sorry if this is the wrong section to post this in btw.

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if you want to run without logging in, meaning:

  1. No Plex Pass features (No HW transcoding, etc)
  2. No player apps in mobile devices or televisions,

then

Settings - Server - Network - Show Advanced.

Scroll down and enter the IP address & Netmask of your LAN so all local devices may access without auth.

Be certain not to require HTTPS (Secure) as this requires a certificate & needs to be signed in for that.

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Heya. That’s the weird thing about this. I have my local network IP address along with subnet on the settings, which works so I can access the library without logging in if I go directly to the IP address of the server (i…e 192.168.100.100) but when I try to use my domain (plex.example.com), then it will no longer let me access without being signed in first. And I don’t use HTTPS for that one either. So I’m really confused as to why the local DNS server would cause this.

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When using your FQDN, which probably has a valid WAN address, that’s when the fun begins, right?

PMS will treat such connections as remote, and require authentication, UNLESS you configure it otherwise (Settings - Server - Network - Show Advanced)

5

Ohh I see what you mean. I kinda figured since the DNS server was within my local network, that simply having my entire subnet on allowed IPs would work.

I’ll have to do some digging with the public address then. Thank you!

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