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News and guides — Page 3 of 27

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

Protocols
QUIC Spin Bit RFC 9000: Passive Latency Profiling and Privacy in VPNs
November 9, 2026 · 6 min read
Protocols
QUIC Header Protection RFC 9001: Packet Number Masking and DPI Defense in VPNs
November 9, 2026 · 6 min read
Protocols
DPLPMTUD RFC 8899: ICMP-Free Path MTU Discovery in UDP & QUIC VPNs
November 9, 2026 · 6 min read
Protocols
QUIC Key Update RFC 9001: Phase Bit Signaling & AEAD Security Limits in VPNs
November 9, 2026 · 6 min read
Protocols
Multipath QUIC: Eliminating Mobile Roaming Latency in VPN Tunnels
November 9, 2026 · 6 min read
Protocols
QUIC Flow Control RFC 9000: Credit Windows & Deadlock Prevention in VPNs
November 9, 2026 · 7 min read
Performance
TCP Pacing & Fair Queueing: Microburst Defense and Latency Optimization in VPNs
November 8, 2026 · 8 min read
Performance
TCP Westwood+: End-to-End Bandwidth Estimation for Lossy Wireless and VPN Links
November 8, 2026 · 7 min read
Performance
TCP GSO and GRO Offloading: Accelerating Linux TUN and Encrypted VPN Throughput
November 8, 2026 · 7 min read
Performance
TCP SACK RFC 6675: Conservative Loss Recovery and Pipe Control in VPNs
November 8, 2026 · 8 min read