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How VLESS+Reality bypasses DPI in Iran
Iran's filtering infrastructure can identify almost every common VPN protocol — but VLESS+Reality slips through because it borrows a real TLS handshake from a third-party site. Here's the exact mechanism, and why it matters for users on the ground.
15.04.2026
VPN protocols compared: 12 protocols across 7 servers
NexTunnel runs 12 protocols simultaneously on every VPN node. Here is what each one is good for, what it costs in latency and CPU, and how we decide which to recommend.
20.04.2026
Why MTU=1280 fixes mobile VPN timeouts
We spent a week chasing a mysterious bug: VPN connections from Iranian mobile carriers would hang on the first big response. The fix was a one-line config change to clamp MTU at 1280. Here's the diagnosis.
24.04.2026
بهترین VPN برای استفاده از ChatGPT و Gemini در ایران
ChatGPT و Gemini در ایران فیلتر هستند، اما با VPN مناسب میتوانید بدون قطعی از آنها استفاده کنید. این راهنما پروتکلهای ضد-DPI، راهاندازی گامبهگام و پاسخ سوالات رایج را پوشش میدهد.
29.04.2026
The Complete Guide to Using a VPN in Iran in 2026
Iran blocks Telegram, Signal, ChatGPT, Instagram and thousands of other services. This complete guide explains which VPN protocols actually survive Iranian DPI in 2026, how to set one up in five steps, and what to do when your connection drops.
29.04.2026
VPN for China in 2026: Beating the Great Firewall with VLESS Reality
The Great Firewall now uses active probing and ML-based detection to identify and block VPNs. This guide explains how VLESS+Reality defeats GFW active probing, why OpenVPN fails, and which backup protocols work when Reality is throttled.
29.04.2026
Обход блокировок Роскомнадзора в 2026: какой VPN работает
Роскомнадзор заблокировал ChatGPT, Discord, Signal и тысячи других сервисов. Большинство коммерческих VPN перестали работать в России. В этой статье — только то, что реально работает в 2026 году: AmneziaWG, Reality и Hysteria2.
29.04.2026
Why Your VPN Disconnects on Iranian Mobile Networks (and How to Fix It)
Iranian mobile users reported V2Box and Hiddify timeouts on large responses — VPN connected fine, but loading Twitter or Instagram would stall. The root cause was a Path MTU Discovery black hole caused by ICMP filtering on Iranian carriers. Here is our full diagnosis and the one-line fix.
29.04.2026
tutorialReality Protocol VPN — What It Is and Why It Beats Shadowsocks in 2026
A technical deep-dive into Reality protocol vs Shadowsocks and WireGuard. Why xray reality vpn is the gold standard for anti-censorship VPN in 2026.
06.04.2026
tutorialBest VPN for Iran 2026 — Bypass Internet Censorship
Iran blocks Instagram, WhatsApp, Twitter, and thousands of sites. Discover why NexTunnel with Reality protocol is the best VPN for Iran in 2026 — including a free trial.
06.04.2026
tutorialHow to Unblock Instagram in Russia (2026)
Instagram, YouTube and X are blocked in Russia. Discover how NexTunnel's Reality protocol evades DPI and gives you free access in 2026.
06.04.2026
guidesBest VPN (Filtershekan) for Iran 2026: Complete Guide
Complete guide to choosing a VPN (filtershekan) for Iran in 2026.
05.04.2026
guidesBest VPN for Russia and Iran 2026: Protocols That Beat DPI Censorship
Both Russia and Iran operate advanced DPI censorship systems. This guide explains which protocols survive censorship in both countries.
04.04.2026
guidesBest VPN for Bypassing Blocks in Russia 2026
A ranking of VPN services that actually bypass TSPU, RKN, and DPI in Russia in 2026.
03.04.2026
guidesBest VPN for China 2026: Bypassing the Great Firewall That Actually Works
China's Great Firewall uses deep packet inspection more advanced than any other country. Learn which protocols still work in 2026 and why standard VPNs fail inside China.
01.04.2026
guidesBest VPN for Iran 2026: What Actually Works Through Filtering Waves
Iran's IRGC filtering system blocks most VPNs during crackdowns. This guide covers which protocols survive filtering waves and why NexTunnel's VLESS+Reality remains accessible.
20.03.2026
guidesHow to Bypass VPN Blocks in Russia in 2026
Russia's TSPU DPI system blocks most standard VPNs. Learn which protocols still work and how NexTunnel bypasses RKN blocklists using VLESS+Reality and Hysteria2.
15.03.2026