Plus Let's Encrypt's certificate validation mix-up, Intel's questionable new power supply design, and more.

Links:

• Let's Encrypt changes course on certificate revocation
• Revoking certain certificates on March 4
• Let's Encrypt: Incomplete revocation for CAA rechecking bug
• Pass authzModel by value, not reference
• The Complete Guide to CAA Records
• DNS Certification Authority Authorization
• AMD's 7nm Ryzen 4000 laptop processors are finally here
• How Intel is changing the future of power supplies with its ATX12VO spec
• Single Rail Power Supply ATX12VO Design Guide
• FreeNAS and TrueNAS are Unifying
• FreeNAS and TrueNAS are Unifying [Video Announcement]
• Ubuntu 20.04's zsys adds ZFS snapshots to package management
• ubuntu/zsys: zsys daemon and client for zfs systems

Plus some handy tools to manage your snapshots, rsync war stories, and more!

Links:

• sanoid: Policy-driven snapshot management and replication tools. — Sanoid is a policy-driven snapshot management tool for ZFS filesystems. When combined with the Linux KVM hypervisor, you can use it to make your systems functionally immortal.
• Syncoid — Sanoid also includes a replication tool, syncoid, which facilitates the asynchronous incremental replication of ZFS filesystems.
• Copy-on-write - Wikipedia
• ZFS Paper
• The Magic Behind APFS: Copy-On-Write — The brand-new Apple File System (APFS) that landed with macOS High Sierra brings a handful of important new features that rely on a technique called copy-on-write (CoW).
• Chapter 19. The Z File System (ZFS)

Plus the latest router botnet, why you should never go full UPnP, and the benefits of building your own home router.

Special Guest: Jim Salter.

Links:

• Google goes down after major BGP mishap routes traffic through China — Google lost control of several million of its IP addresses for more than an hour on Monday in an event that intermittently made its search and other services unavailable to many users.
• Internet Vulnerability Takes Down Google
• China has been 'hijacking the vital internet backbone of western countries'
• RPKI - The required cryptographic upgrade to BGP routing
• HTTP/3 — The protocol that's been called HTTP-over-QUIC for quite some time has now changed name and will officially become HTTP/3.
• HTTP/3: Come for the speed, stay for the security
• The Road to QUIC
• Botnet pwns 100,000 routers using ancient security flaw — Researchers have stumbled on another large botnet that’s been quietly hijacking home routers while nobody was paying attention
• BCMPUPnP_Hunter: A 100k Botnet Turns Home Routers to Email Spammers
• From Zero to ZeroDay Journey: Router Hacking
• The Ars guide to building a Linux router from scratch