PremierVPN Blog
VPN guides, privacy tips, security news, and tutorials to help you stay safe online.
What is a VPN Split Tunnel and When Should You Use One?
Split tunnelling lets you choose exactly which traffic goes through your VPN. Here's how it works and when it's worth configuring.
04 Jun 2026
What is a VPN cipher suite and why should you care?
AES-256 is just one piece of the puzzle. Here's what a VPN cipher suite actually contains, how each component works, and what genuinely strong encryption looks like.
01 Jun 2026
What is a VPN keepalive and why does it matter?
Idle periods can silently kill your VPN tunnel before the kill switch notices. Here's how keepalive packets work and why the settings matter.
31 May 2026
What Is DNS over HTTPS—and Does a VPN Replace It?
Browsers now encrypt DNS by default, but does that mean you no longer need a VPN? We untangle what DoH and VPNs each protect—and where the gaps are.
30 May 2026
What Is a VPN IP Leak and How Do You Test for One?
Many VPN users assume they're protected without ever checking. Here's exactly what IP leaks are, how they happen, and how to test your VPN properly.
25 May 2026
What is a VPN handshake and why does it matter?
Before a single byte of your data travels through a VPN, a handshake establishes trust and encryption. Here's what actually happens in those first milliseconds.
22 May 2026
Introducing StormDNS — Internet Freedom Through DNS
StormDNS encodes your entire internet connection as DNS queries, making it invisible to censorship filters. Confirmed working in Iran, Russia, and China — and now available free to all PremierVPN subscribers.
22 May 2026
What is a VPN MTU and why does it affect your speed?
Server load and encryption get blamed for VPN slowdowns, but an incorrectly set MTU is a silent culprit—and one of the easiest to fix once you understand it.
19 May 2026
What Is a VPN Audit and Why Should You Care?
Independent VPN audits are cited everywhere, but what do they actually test? Here's how to read audit results critically and what they really tell you.
16 May 2026
What Is a VPN Warrant Canary and Should You Trust One?
Warrant canaries sound reassuring, but what do they actually mean? We explain how they work, where they fall short, and what to look for instead.
15 May 2026
راهنمای اتصال به اینترنت آزاد در ایران با SlipNet و PremierVPN
با استفاده از DNS Tunnelling و برنامه SlipNet، حتی در زمان قطعی و محدودیتهای شدید اینترنت در ایران نیز میتوانید به اینترنت آزاد دسترسی داشته باشید. این راهنمای کامل، نحوه راهاندازی SlipNet با زیرساخت ضد سانسور PremierVPN را مرحلهبهمرحله توضیح میدهد.
12 May 2026
Connecting from Iran — SlipNet Setup Guide
Step-by-step guide to setting up SlipNet with PremierVPN's anti-censorship DNS tunnelling on Android — the most reliable way to get online during Iran's internet shutdowns.
10 May 2026