use each lan port for 2 lan's

[berniparrett]

I have 2 LAN ports and want to use 1 for local LAN and the other for DMZ
The local LAN is using Homeassistant OS
The DMZ would be my WEB server
Is this possible and if so Is it safe
The server has 2 LAN ports, INTEL Core 7, 64Gb Ram 1Tb HDD (SSD)
Berni...