How to Choose a Reliable Circumvention Service in 2026

If you’ve searched for a way past the Great Firewall, you’ve probably noticed the market is crowded and the marketing all sounds the same: “unlimited speed,” “military-grade encryption,” “99.9% uptime.” Here’s what actually separates a service worth paying for from one that won’t last the year.

Shared lines vs. IPLC dedicated lines

Most budget services route your traffic over shared public infrastructure — multiple users on the same relay, competing for bandwidth, taking whatever path the public internet happens to route them through. That’s why performance on cheap services tends to swing wildly during peak hours.

An IPLC (International Private Leased Circuit) is a dedicated, point-to-point line leased directly between carriers — the same kind of infrastructure banks use for cross-border transactions. It doesn’t touch the public internet, so it isn’t competing for bandwidth and isn’t routed through the choke points that are easiest to monitor. It also costs a lot more to run, which is exactly why a provider that’s willing to pay for it is usually a signal they’re building for the long term, not just collecting a few months of subscriptions before disappearing.

Protocol matters more than it sounds

Older protocols like plain Shadowsocks have well-documented traffic signatures at this point, making them easier for deep packet inspection to flag. Newer combinations like VLESS with Reality transport work differently — Reality essentially borrows the TLS fingerprint of a real, reputable website, so inspection tools have a much harder time telling the difference between your traffic and a normal HTTPS visit. If a provider is still running infrastructure from several years ago, that’s usually a sign their technical investment hasn’t kept pace.

Pricing that doesn’t add up

Dedicated bandwidth costs real money. If a provider is promising unlimited everything at a price well below the market, the math usually doesn’t work — either the service degrades quietly a few months in, or it’s a short-term cash grab. It’s worth comparing prices across a few providers rather than just taking the lowest number at face value.

Support you can actually reach

A lot of “customer support” in this space is a barely-monitored group chat. A provider that publishes real contact channels, responds in a reasonable time, and can communicate in the language you’re comfortable with is generally a better bet — it usually means they’re running this as an actual business, not a side project.

The takeaway

Choosing a service is really choosing who you trust with your network access and your payment details. Line type, protocol, and how reachable support actually is tend to matter a lot more over time than the headline price. That’s the same reasoning behind how Firefly is built — IPLC lines, VLESS with Reality, and support that actually responds.