Some people can connect, some can't.

[polartop]

I think i can solve my problem, what ip should i put in the port forwarding thing? and what ip should people use to connect? here are my ips

IPv4 Address. . . . . . . . . . . : 192.168.0.102
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
External ip 68.185.186.120