Someone has been using my WiFi through ethernet since none of my devices are connected through it, all WiFi connections only. How do I disable ethernet completely? - Quora
C5EPC60-BL-01M, GigaBase® 3 CAT5e 350-MHz Ethernet Patch Cable with Locking Connectors – LSZH, Snagless, Unshielded (UTP) - Black Box