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Cloudflare blog card with the orange Cloudflare cloud logo and the headline 'How we saved 100 terabytes of memory by optimizing 1.1.1.1's DNS cache', beside an illustrated pineapple standing among small houses.
Web·

100 terabytes of RAM came back when Cloudflare shrank one DNS cache entry by 56%

Cloudflare's 1.1.1.1 holds 250 billion DNS cache entries. Five Rust layout changes cut each one from 953 bytes to 420, and lookups got faster.

Glowing DNS server illustration above a darkened network rack
Security·

Six new bugs hit dnsmasq, the DNS daemon in every Linux router. One gives a local attacker root.

CERT VU#471747 lists six dnsmasq CVEs disclosed May 11. The DHCPv6 flaw is local-root code execution. Simon Kelley credits 'a revolution in AI-based security research.'