Further suggestions for setting your router up, to keep your local network safe, secure, and free from trouble.
NAT
My Macs have local IP addresses of 192.168.1.101 and .102. How do those work when sharing remotely?
Can you tell a router from a switch, do you know the MAC of your Mac, and what is the difference between IEEE 802.11b and g?
The Eclectic Light Company 