Why is Plex server causing a DNS-rebind attack?

Plex Media Server NAS & Devices
1

Server Version#: 4.100.1
Player Version#:Not applicable

I just had a Warning from my fireswall.

> Nov 5 19:25:58 daemon warn dnsmasq[xxx] DNS-rebind attack detected: IP xxx-xxx-xxx-xx.abcdefghijklmnopqrstuvwxyz012345.plex.direct

(The X’es are replacement for the orginal IP)

Could anyone tell me why the server are causing a warning of a DNS-rebind attack?

Could anyone please tell me why MY plex server tries to contact plex.direct from my secondary NAS interface?
[/quote]

(The X’es are replacement for the orginal IP)

Could anyone tell me why the server are causing a warning of a DNS-rebind attack?

Could anyone please tell me why MY plex server tries to contact plex.direct from my secondary NAS interface?

2

There’s no attack but this is part of how Plex establishes connections to your server.
https://support.plex.tv/articles/206225077-how-to-use-secure-server-connections/

3

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