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News and guides — Page 8 of 27

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

Protocols
BFD RFC 5880: Sub-Second Failure Detection, Echo Mode, and BGP Fast Reroute
November 6, 2026 · 7 min read
Protocols
BGP EVPN All-Active Multi-Homing RFC 7432: ESI, DF Election, and Anycast Gateways
November 6, 2026 · 7 min read
Protocols
SRv6 Network Programming RFC 8986: TI-LFA Fast Reroute and VPN Anycast
November 6, 2026 · 8 min read
Protocols
DTLS 1.3 RFC 9147: Record Layer Security, CID, and Datagram VPNs
November 6, 2026 · 8 min read
Protocols
WireGuard Cryptokey Routing: AllowedIPs, Kernel Tries, and Anti-Spoofing
November 6, 2026 · 8 min read
Protocols
GRE-in-UDP RFC 8086 and GENEVE: ECMP Hash Polarization and VPN Multipath
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