How to make a home server with dmz option in router?

Question

I try to make a himeserver with ip forwarding option in my router , but i find out its not that much secure wsy to config a server.
Then i find dmz i have apache server in ubuntu.
I configure it.
But it dont work when i search for it from internet
Its ok in my router betwork. But unreachable from internet and with public ip.
What should i do ?
Actually i didnt found any good thing in google about DMZ.

Answer 1

To set up a default DMZ server:
Launch a web browser from a computer or mobile device that is connected to your router's network.
The user name is admin. The default password is password. ...
Select ADVANCED > Setup > WAN Setup. ...
Select the Default DMZ Server check box.
Type the IP address.
Click the Apply button.

Answer 2

Yeah I know that but it wont work .