Question 1

Should I use Switcher or sslh for sharing ports?

Accepted Answer

Switcher is lighter and easier to extend in Go, with better performance under load due to goroutines. However, sslh has more built-in protocols and a larger community, making it better for complex setups. Choose based on your need for simplicity versus feature richness.

Question 2

How do I set up Switcher with Nginx for HTTPS?

Accepted Answer

Configure Switcher to listen on port 443 using --listen :443, set --default to your Nginx server's HTTPS address (e.g., 127.0.0.1:8443), and ensure Nginx handles TLS termination. This routes HTTP(S) traffic to Nginx while SSH goes to the specified backend.

Question 3

Can Switcher handle WebSocket connections?

Accepted Answer

Yes, since it proxies HTTP traffic, WebSocket connections over HTTP should work seamlessly. However, the documentation doesn't specify any special handling, so performance might depend on the backend server's capabilities.

Question 4

Is Switcher production-ready for high-traffic sites?

Accepted Answer

It's built with Go and uses efficient goroutines, making it scalable, but as a smaller project, it lacks extensive testing and enterprise features. Evaluate based on your traffic needs and risk tolerance, possibly testing in staging first.

Question 5

What happens if a protocol isn't recognized by Switcher?

Accepted Answer

Connections that don't match SSH or HTTP(S) are forwarded to the default backend address, which could cause errors if the backend isn't prepared. This is noted in the configuration options but may require fallback handling.

Question 6

How does Switcher's performance compare to traditional proxies?

Accepted Answer

It's lightweight with minimal overhead due to goroutines, but protocol detection adds a small latency by reading initial bytes. For most use cases, this is negligible, but for ultra-low-latency requirements, direct port usage might be better.

Question 7

Does Switcher support IPv6 or custom routing rules?

Accepted Answer

The README doesn't mention IPv6 explicitly, and routing is based solely on protocol detection without advanced rules. For IPv6 or complex routing, you might need to modify the source code or use a more feature-rich proxy.

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