[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-09-04 UTC。"],[[["\u003cp\u003eGoogle Distributed Cloud (GDC) air-gapped appliances utilize LUKS-based disk encryption in conjunction with Yubikeys.\u003c/p\u003e\n"],["\u003cp\u003eEach GDC air-gapped appliance is shipped with a minimum of three FIPS 140-2 certified Yubikeys.\u003c/p\u003e\n"],["\u003cp\u003eYubikeys must remain in the server machines after installation, except when removing them for transport or returning the system.\u003c/p\u003e\n"],["\u003cp\u003eThe Yubikeys, inserted via USB dongles on the server blades, should be transferred separately from the appliance for security reasons.\u003c/p\u003e\n"]]],[],null,["# Boot disk encryption\n\nGoogle Distributed Cloud (GDC) air-gapped appliance uses Linux Unified Key Setup (LUKS) based disk\nencryption with Yubikeys.\n\nFor each GDC air-gapped appliance, three or more Yubikeys are shipped separately\nto the customer. The Yubikeys are FIPS 140-2 certified. For more information on the Yubikey model, see\n\u003chttps://www.yubico.com/product/yubikey-5-nano-fips/\u003e.\n\nThe USB ports on each server blade of the device are enabled with USB dongles.\nThe Yubikeys are inserted into the server machines as part of the device setup.\nAfter the installation completes, the Yubikeys must stay in the server until you\n[remove them for transport](/distributed-cloud/hosted/docs/latest/appliance/admin/shutdown#remove_yubikeys) or you\n[return the system](/distributed-cloud/hosted/docs/latest/appliance/admin/return-device). Ensure that the Yubikeys\nare transferred separately from the appliance to protect against server theft."]]