Is firewall on router necessary?

Related questions

1. Can I disable UPnP?
2. Is it safe to disable router firewall?
3. Should you turn off your WiFi at night?
4. Can I turn off my WIFI remotely?
5. Is NetBIOS used anymore?
6. What is UPnP discovery?
7. What is Lmhost lookup?
8. What happens when you disable NetBIOS over TCP IP?
9. Can I disable NetBIOS over TCP IP?
10. What is SSDP in Wireshark?

Tags

1. #hardware
2. #enabled
3. #security
4. #leaving
5. #windows
6. #least
7. #software
8. #therefore
9. #provides
10. #router
11. #already
12. #firewall
13. #important
14. #performance
15. #benefits