Question 1

How do I set up vproxy with HTTPS and my own TLS certificates?

Accepted Answer

Use the command 'vproxy run https --tls-cert cert.pem --tls-key key.pem' with your certificate files. If no certificate is provided, vproxy auto-generates a self-signed one, but this is not suitable for production environments.

Question 2

vproxy vs Squid: which is better for an HTTP caching proxy?

Accepted Answer

vproxy is optimized for raw performance and multi-protocol support but lacks built-in caching features. Squid is a better choice if you need extensive caching, access control lists, and a mature ecosystem for web proxying.

Question 3

How to run vproxy as a background daemon on Linux?

Accepted Answer

Use 'sudo vproxy start' with parameters like '-i' for IP ranges. The daemon can be managed with 'vproxy stop', 'restart', and 'log' commands, but note that these require sudo privileges for full functionality.

Question 4

Can vproxy handle WebSocket connections?

Accepted Answer

Yes, as it supports HTTP and HTTPS proxying, WebSocket traffic can be tunneled through CONNECT methods. However, there's no specific WebSocket optimization mentioned, so performance may depend on general throughput.

Question 5

What are the security risks of kernel-space zero-copy in vproxy?

Accepted Answer

Kernel-space optimizations can improve performance but require careful privilege management; running as root for automatic setup increases attack surface. Always follow least-privilege principles and audit configurations in production.

Question 6

How to implement session-based IP sticking for testing?

Accepted Answer

Append '-session-id' to the username in authentication, e.g., 'username-session-123456'. This ensures the same IP is reused for that session, as shown in the curl examples with repeated requests returning identical IPs.

Question 7

Is vproxy suitable for high-availability setups with failover?

Accepted Answer

vproxy focuses on single-instance performance and lacks built-in clustering or health check features. For high availability, you'd need to pair it with external load balancers or orchestration tools like Kubernetes.

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