Static IP
Most routers by default will be at DHCP dynamic ips. Disabling DHCP blocks unknown addresses from obtaining an address, effectively kicking them from the network.
Universal Plug and Play (UPnP)
Provides seamless and automatic connectivity of media devices and printers. Disable this, as you dont want automatic connections.
Firmware Updates
Only install stable firmware updates. Bad firmware updates will brick the router.
Credential Changing
Change the default:
- SSID
- Password
MAC Address + IP Address Filtering
Only allow packets from known IP addresses and MAC addresses.