Code:
"address": "192.168.0.8",
"localaddress": "127.0.0.1",
Try changing all ip address to "192.168.0.8" with the exception of database and qsdatabase.
Your login.ini file looks correct - if that hasn't changed since your posting.
That should allow all LAN clients to login to your server and just forego any port-forwarding for a non-public server.
That setup guide pretty much assumes you're always going to use the public login server.