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Raspberry Pi Connect: an easy-to-use way to access your RPi remotely, using just a web browser
(www.raspberrypi.com)
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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A: port forwarding is only required if not in a DMZ.
B: open ports are how machines are accessed regardless of if they are forwarded or not.
C: if you don't understand how ports work, you have no business exposing anything.
Well I have my port open in my lan but the only way to access it outside of my lan is to port forward. I don't understand how you can say that all you need to do is open the port and the machine can be accessed.
Same concept applies for any other service like a game server.