UEFI HTTP(S) Boot with QEMU/OVMF: A Modern Alternative to PXE
By
jtlebigot
Sesame, salt, and substance. A flagship bake.
Summary
This article discusses UEFI HTTP(S) boot as a modern alternative to the traditional PXE network booting protocol. It explains how PXE relies on DHCP and TFTP, which are difficult to configure, hard to make highly available, and lack security due to clear-text unsigned protocols. The article highlights that HTTPS with TLS certificates provides server authentication, integrity, and confidentiality, making it a superior solution for network booting, especially over the Internet where man-in-the-middle attacks are a concern.
Key quotes
· 4 pulledThe historic go-to solution for network booting is PXE.
It is tricky to correctly configure, even trickier to make it highly available and good luck with the security with this clear-text unsigned protocol.
The modern web has long standardized on HTTPS with TLS certificates for server authentication, integrity and confidentiality.
Even better, the encryption layer makes it practical to boot over the Internet without immediately facing the threat of a man-in-the-middle attack.
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