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News and guides — Page 6 of 27

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

Protocols
IKEv2 Seamless Rekeying RFC 7296: Make-Before-Break, Zero Loss & SA Rollover
November 7, 2026 · 8 min read
Protocols
IPsec Dead Peer Detection RFC 3706: Traffic Liveness, DPD Timers, and Tunnel Failover
November 7, 2026 · 8 min read
Protocols
IPsec NAT-T RFC 3948: UDP 4500 Encapsulation, Non-ESP Markers, and CGNAT Survival
November 7, 2026 · 8 min read
Security
IPsec Traffic Flow Confidentiality RFC 4303: Padding and Dummy Packets
November 7, 2026 · 7 min read
Protocols
QUIC Datagram RFC 9221: Unreliable Delivery and Congestion Control in Modern VPNs
November 7, 2026 · 7 min read
Protocols
QUIC Loss Detection RFC 9002: Packet Numbers, PTO and Recovery
November 7, 2026 · 8 min read
Protocols
TCP CUBIC RFC 9438: Mathematical Modeling, RTT Independence & High-BDP VPNs
November 7, 2026 · 7 min read
Protocols
TLS Extended Master Secret RFC 7627: Session Hash and Triple Handshake Defense
November 7, 2026 · 8 min read
Performance
TCP Thin Streams RFC 7414: Eliminating Latency Spikes in Interactive VPNs
November 6, 2026 · 8 min read
Security
HPKE RFC 9180: Two-Phase KEM-DEM Architecture & Modern Network Privacy
November 6, 2026 · 8 min read