Plex changes computer hostname

Server Version#: 1.24.5.5173

I’ve found that after installing plex, remote machines that i log into (that have nothing to do with plex) read my hostname as something to do with plex. Where is this configured and how do i disable/change it?

cisco_router1#who
    Line           User       Host(s)
*132 vty 0     ben        192-168-10-CHANGED_FOR_THIS_POST_string_of_numbers_letters.plex.direct
                        

That’s how Plex is able to provide a secured remote connection to your server. If you have your own security certificate you can use that. Or if you don’t want security, you can turn it off, but that’s not advised. That should only be used by Plex clients.

There is no “change” as such.
Your server computer can have several host names, but whatever script you are using is picking the latest used out of the cache.

Each Plex server is assigned a sub-domain name in the plex.direct domain, so that clients can talk to it using TLS. Even clients in your local network.

even if i disable TLS?
I ONLY use plex for my local media server and the problem is that I also work from home on this computer so when I log into remote machines and management sees “plex” they want to know what’s going on.

This DNS name is written to a hosts file, registry… somewhere.
I’m going to look for it but if someone else knows where it is stored, that would be great so that I can change it

It probably should only be used by that, but other things can see it, and disabling secure connections didn’t make it go away. It’s written to a system file somewhere. can you tell me what file and where so i can manage that myself? I’m still looking for it but haven’t found it yet

It’s not written into a file on your server computer.
It is registered in your local DNS resolver – i.e. your router.

Ask your administrator if he can activate a thing called “DNS rebinding protection” in your router.
Doing so will suppress the registration of the hostname.
But doing so will disable secure connections for Plex in your local network for good. So you have to disable them in your server. Still not every Plex client likes that, so side effects may occur.

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