Amazon.com: StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter w/USB Port - 10/100/100 - USB Gigabit LAN Network NIC Adapter (USB32000SPT) : Electronics
DIY: Lock the Firewire connector | Swedish VJ Union
USB-C to Ethernet Adapter, GbE Adapter - USB and Thunderbolt Network Adapters | Networking IO Products | StarTech.com
Apple A1463 FireWire 800 to Thunderbolt 2 Adapter | Reverb
Dual USB-C to GbE Adapter w/ USB port - USB and Thunderbolt Network Adapters | Networking IO Products | StarTech.com
StarTechcom, HB31C2A1CGS USB/Firewire Adapters
Apple adds Thunderbolt adapters: FireWire 800 and Gigabit Ethernet - The Verge
Amazon.com: Firewire To Ethernet Adapter
USB-C® to Ethernet Multiport Adapter with Power Delivery up to 60W - Black | Adapters and Couplers | Audio Video
Firewire - Ethernet adaptor | MacRumors Forums
CAT5 FireWire Extender (Up to 75m) - from LINDY UK
10/100 Mbps USB to Lan RJ45 Network Card Adapter
FireWire (IEEE 1394) 6-Pin Male to 4-Pin Female Adapter - Micro Connectors, Inc.
New Thunderbolt 2 Gigabit Ethernet Converter Apple Lightning Port Converter Rj45 Wire Converter A1433 - Pc Hardware Cables & Adapters - AliExpress
USB C to Gigabit Ethernet LAN Adapter PD - USB and Thunderbolt Network Adapters | Networking IO Products | StarTech.com