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News and guides

Plain-language guides to online privacy and VPN technology, plus updates from VPNRice.

GRE-in-UDP RFC 8086 and GENEVE: ECMP Hash Polarization and VPN Multipath

Analyze GRE-in-UDP RFC 8086, GENEVE RFC 8926, ECMP hash polarization across transit networks, and entropy source port load balancing for high-scale VPNs.

November 5, 2026 · 8 min read

Security
DNSSEC Zone Walking: NSEC, NSEC3 GPU Cracking and NSEC5 Cryptographic Defense
November 5, 2026 · 8 min read
Protocols
BGP Graceful Restart: RFC 4724, LLGR RFC 9478 & Anycast VPN Resilience
November 5, 2026 · 8 min read
Protocols
TCP TIME_WAIT State: RFC 1337 Traps and High-Scale VPN Gateway Engineering
November 5, 2026 · 8 min read
Protocols
BGP Route Flap Damping: RFC 2439 Penalty Traps and Anycast VPN Resiliency
November 5, 2026 · 8 min read
Privacy
DNS Cache Snooping: Non-Recursive Probing, Cache Timing, and Private Resolvers
November 5, 2026 · 8 min read
Security
BGP Flowspec vs RTBH: Line-Rate DDoS Scrubbing and VPN Core Resilience
November 5, 2026 · 8 min read
Security
HTTP/2 Rapid Reset: Stream Cancellation Floods and Gateway VPN Defense
November 5, 2026 · 7 min read
Security
Wi-Fi FragAttacks: Frame Aggregation Flaws and Layer 3 VPN Defense
November 5, 2026 · 8 min read
Security
IPv6 Rogue Router Advertisements: NDP Spoofing and Layer 3 VPN Defense
November 5, 2026 · 8 min read