VPN Tutorials & Cybersecurity Knowledge Base
Guides, news and explainers on VPN, privacy and online freedom.
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Product UpdatesSingLinkVPN macOS 2.5 officially released: performance improved 10 times, daily free traffic increased to 1GB
SingLinkVPN macOS 2.5 is now released, supporting Apple Silicon and Intel, bringing 1GB of free daily traffic, more than 10 times performance improvement, real-time speed testing, more nodes and 24/7 customer service.
SingLink NewsSingLinkVPN Discount Guide: Stack Annual + Promo Code/Credit Card to Save Up to 51%
How to buy SingLinkVPN for the best price? Annual plans save up to 30%, and stacking the first-purchase promo code SingLink or credit-card payment adds another 30% — Plus / Pro annual equals 51% off. See how the discounts stack, how Max/Rich data packs work, and the cheapest way to buy.
SingLink NewsSingLinkVPN May 2026 Milestones: 2.0 All Platforms, Free Plan Open, Hong Kong App Store Utilities Top 44, 2.93M X Impressions in 7 Days
Every SingLinkVPN milestone from April–May 2026 in one post: 2.0 client across all platforms, Beta in-house protocol at 99.5% connectivity, 200 MB daily free plan now open, ranked Top 44 on Hong Kong App Store Utilities (Free), and 2.93M X impressions with 6,388 new followers in 7 days. All numbers and download links inside.
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Knowledge BaseWhat is a Node?
A node is a server that provides proxy services, serving as a bridge to connect to the international internet.
Knowledge BaseWhat is L2TP/IPSec?
L2TP is a tunneling protocol, typically used with IPSec.
Knowledge BaseWhat is Bypassing Internet Censorship?
Bypassing internet censorship means using technical methods to circumvent network restrictions and access blocked internet content.
Knowledge BaseWhat is Router VPN?
Configure VPN on router to enable all home devices to bypass restrictions without individual setup.
Knowledge BaseWhat is Clash?
Clash is a rule-based proxy client that automatically routes traffic based on rules. One of the most popular proxy tools.
Knowledge BaseWhat is IKEv2/IPSec?
IKEv2 is a fast and stable VPN protocol, ideal for mobile.
Knowledge BaseWhat is V2Ray?
V2Ray is a powerful proxy platform supporting multiple protocols. Learn about V2Ray features, configuration, and use cases.
Knowledge BaseWhat is sing-box?
sing-box is a next-generation universal proxy platform, a modern alternative to Clash.
TutorialsStreaming Unlock Guide
Learn how to unlock Netflix, Disney+, HBO and more global streaming services with VPN.
Knowledge BaseWhat is IP?
An IP address is a unique identifier for internet devices. Learn how to protect your IP privacy.
Knowledge BaseWhat is TUN Mode?
TUN mode is a global proxy method using virtual network interface for system-level traffic proxy.
Knowledge BaseWhat is VPN?
VPN stands for Virtual Private Network. Simply put, a VPN creates an encrypted tunnel over public networks, allowing your data to be transmitted securely.