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

Linux Page Pool: Driver-Level Memory Recycling for High-Rate VPN Gateways

Understand how the Linux kernel Page Pool API recycles network packet buffers in lockless driver caches, slashing allocation stalls on high-throughput VPN gateways.

November 13, 2026 · 6 min read

Performance
Linux RPS and RFS: Multi-Core Packet Steering for High-Throughput VPN Gateways
November 13, 2026 · 6 min read
Security
Oblivious HTTP RFC 9458: Decoupling Identity and Data in Modern Privacy Architecture
November 13, 2026 · 6 min read
Security
Privacy Pass RFC 9505: How Blind Signatures and PAT Eliminate VPN CAPTCHAs
November 13, 2026 · 6 min read
Security
RFC 9462 DDR and RFC 9463 DNR: Upgrading Encrypted DNS on VPN Gateways
November 13, 2026 · 6 min read
Security
Linux BPF LSM: Enforcing Kernel-Level Mandatory Access Control on VPN Daemons
November 12, 2026 · 5 min read
Security
Linux eBPF Sockmap and sk_msg: Socket-to-Socket Redirection for VPN Proxies
November 12, 2026 · 5 min read
Security
Linux Kernel Keyring: Protecting In-Memory Cryptographic Keys for VPN Daemons
November 12, 2026 · 5 min read
Performance
Linux MGLRU and PSI: Preventing Memory Latency Spikes in VPN Gateways
November 12, 2026 · 6 min read
Security
Linux Socket MSG_ZEROCOPY: Eliminating Memory Copy Overhead in VPN Egress
November 12, 2026 · 5 min read