This Device Works as a Firewall for Your USB Ports
Intel S4016 Firewall USB NIC Board G13865-004 | eBay
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LAN-TXU2C USB LANアダプター 100M 1個 エレコム 【通販モノタロウ】
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New Product Announcement: USB Firewall Key Enhancer, pre-order now and get a great price!
Greatgear USB Aオスto IEEE Firewire 1394 6ピンメスアダプタ by Greatgear :s-5286789880810-20230125:mochi store - 通販 - Yahoo!ショッピング
Ftdi Usb 2.0 To Rs232 Rj45 Cat5 Adapter Converter Serial Console Cable For Cisco H3c Hp Arba Huawei Router Switch Firewall - Pc Hardware Cables & Adapters - AliExpress
Good USB – Protecting Your Ports With Two Microcontrollers | Hackaday