How to open all ports(dmz) for my pc?

Installing and Using OpenWrt Network and Wireless Configuration
1

Need help on this.I Want to open all ports on my pc,detailed steps will be appreciated

2

Please connect to your OpenWrt device using ssh and copy the output of the following commands and post it here using the "Preformatted text </> " button:
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Remember to redact passwords, MAC addresses and any public IP addresses you may have:

ubus call system board
cat /etc/config/network
cat /etc/config/wireless
cat /etc/config/dhcp
cat /etc/config/firewall