RKN upgraded the TSPU/DPI deep packet inspection system. Are traditional MTProto proxies frequently disconnecting, lagging, or dropping entirely? Let's break down the mechanics and explore effective ways to fix your mtproto telegram proxy issues.
Lately, many users living in Russia or using Russian networks have noticed that their perfectly fine Telegram built-in proxies (MTProto) are suddenly dropping connections, lagging, or failing to load entirely. If you search for "mtproto proxy list" or "working proxy for Telegram", you're not alone — these queries have surged in 2026.
Rest assured, your phone is fine, and the proxy server hasn't run out of power. The real reason is that Roskomnadzor (RKN), the Russian internet regulatory body, has fully upgraded its network censorship system, known as the TSPU/DPI system. In plain English, the government has outfitted internet bottlenecks with advanced "eagle eyes" designed specifically to detect and throttle Telegram traffic.
To help you understand exactly what is going on, we have broken down this technical battle using straightforward, everyday language.
In the past, firewalls blocked proxy mtproto using a very basic approach: much like a security guard checking a blacklist, if they caught a server IP helping users bypass restrictions, they simply blocked that IP. Back then, all we had to do was switch to a new IP address to get right back online.
As of 2026, this new system no longer just looks at IPs. Instead, it has learned to analyze behavioral patterns and traffic fingerprints (technically called Deep Packet Inspection):
google.com or the Russian domestic site yandex.ru. The new system doesn't just look at where you claim to go; it actively verifies it (Active Probing). It mimics a regular user to knock on your mtproto telegram proxy server's door—if the server fails to match the secret handshake, it is instantly blocked.
Due to this system upgrade, the ways Telegram proxies fail have become highly unusual. If you are experiencing connection issues, you can easily diagnose them here:
In plain English: Typing and text chatting with others works quite fast, and your proxy latency shows a healthy green number. However, the moment someone sends an image, a voice message, or a sticker, your client gets stuck on the proxy shield icon, spinning endlessly without loading anything.
The underlying truth: The censorship system has gotten smarter; it doesn't drop your connection completely, it throttles your bandwidth. Once it tags your connection as Telegram traffic, it limits your internet speed to a crawl—reminiscent of 20-year-old dial-up lines (a few KB/s). Text bytes can squeeze through, but media files hit a wall, time out, and freeze.
In plain English: The proxy appears perfectly fine in your server list, but the second you click into a chat, the status bar continuously switches back and forth between "Connected" and "Connecting...".
The underlying truth: This is a technique called "precision cutoff." The new DPI system simultaneously injects forged reset signals (TCP RST) to both ends of your connection. Right when your client tries to perform a handshake with the proxy server, the firewall steps in and forces the connection closed, forcing your app to retry over and over.
In plain English: Tech-savvy communities used to say that adding the letters ee to the front of a proxy secret key would guarantee smooth access. Now, adding any prefix letters makes absolutely no difference.
The underlying truth: The fake disguise has been thoroughly exposed. The new system cross-checks the metadata: your client claims to be connecting to Russia's largest banking website, but when tracing down the fiber optic wire, the traffic is actually heading to an obscure, unnamed server in Europe. This discrepancy immediately triggers a permanent block.
Since ordinary "one-click direct-connect MTProto proxies" are heavily targeted within Russia, what options do we have? The technical community has mapped out two distinct paths forward:
Previously, we let the Telegram app connect to a proxy out in the open, which left a very clear footprint. The modern approach is to run a dedicated, system-wide proxy tool locally on your computer or phone (such as Xray, v2rayNG, etc.) using the highly resilient VLESS-Reality protocol. This method works even when standard mtproto proxy list entries fail.
[Telegram Client]
│ (Secure internal local forwarding)
▼
[Local Proxy App (e.g., v2rayNG)] ──► Wraps data into an "impeccable" legitimate TLS outer layer
│
▼ (Passes cleanly through the national DPI firewall)
[Remote Relay Server] ──► Strips the outer layer, forwards clean data to Telegram core DCsWhy is this method so effective?
Because the Reality protocol doesn't use artificial setups; it directly piggybacks onto the real, valid encryption certificates of giant global websites (like Microsoft's official site) to wrap your traffic. Unless the national censorship system cuts off internet lines to Microsoft across all of Russia, it cannot distinguish whether your computer is downloading a Windows update or if you are chatting on Telegram.
In short: In the current 2026 network climate, traditional direct-connect MTProto proxies are reaching the end of their lifespan. Using a separate client to build a robust underlying "encrypted tunnel relay" is the safest, most reliable way to stay connected. For those looking for free MTProto proxy options, we recommend combining a free tier with the tunnel method for best results.