Question 1

How does LittleProxy compare to Squid for Java applications?

Accepted Answer

LittleProxy is an embeddable library for custom proxy solutions in Java, offering programmability and Netty performance, while Squid is a standalone proxy server with more out-of-the-box features but less integration flexibility. Choose LittleProxy for embedding in apps; Squid for standalone deployment.

Question 2

How to implement HTTPS interception with LittleProxy?

Accepted Answer

Use the MITM manager during bootstrap, ideally with extensions like LittleProxy-mitm for better certificate control. Configure it to generate and manage certificates, allowing interception of encrypted traffic in your filters.

Question 3

Can LittleProxy handle WebSocket traffic?

Accepted Answer

The README doesn't explicitly mention WebSocket support, so it likely requires custom implementation or may not handle it out-of-the-box. It's primarily designed for HTTP/HTTPS traffic, so check community extensions for WebSocket capabilities.

Question 4

Is LittleProxy good for building ad-blocking proxies?

Accepted Answer

Yes, by implementing custom filters to block requests based on URLs or content. However, it lacks pre-built ad-blocking rules, so you'll need to develop and maintain the filtering logic yourself in Java.

Question 5

What are the performance benchmarks for LittleProxy?

Accepted Answer

The README includes benchmarking instructions and results, showing high performance due to Netty's event-driven model. Actual numbers vary with hardware, but it's optimized for low latency and efficient resource usage in proxy scenarios.

Question 6

How to scale LittleProxy for high traffic loads?

Accepted Answer

Use the cloning support to create multiple proxy instances sharing event loops, as shown in the README. This reduces resource usage and allows handling concurrent connections efficiently, leveraging Netty's scalability.

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