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21 lines
1.7 KiB
Markdown
21 lines
1.7 KiB
Markdown
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# NaiveProxy
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A secure, analysis-resistent proxy framework.
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The primary security goal is availability in presence of pervasive censorship. Nevertheless, privacy and integrity are simultaneously achieved through implementations of TLS best practices.
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The main attacks considered:
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* Website fingerprinting / traffic classification: [mitigated](https://arxiv.org/abs/1707.00641) by traffic multiplexing in HTTP/2.
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* [TLS parameter fingerprinting](https://arxiv.org/abs/1607.01639): defeated by using identical behaviors from [Chromium's network stack](https://www.chromium.org/developers/design-documents/network-stack).
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* [Active probing](https://ensa.fi/active-probing/): defeated by application fronting, using a common frontend with application-layer routing capability, e.g. HAProxy.
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* Length-based traffic analysis: mitigated by length padding.
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There are three setups:
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* The portable setup doesn't ask you to build any code or run anything client-side, but it is prone to traffic analysis due to lack of length padding. See [Linux Quick HOWTO](https://github.com/klzgrad/naiveproxy/wiki/Linux-Quick-HOWTO).
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* The fast setup improves performance by having a client. See "Fast client" in [Linux HOWTO](https://github.com/klzgrad/naiveproxy/wiki/Linux-HOWTO).
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* The resistent setup implements length padding upon the fast setup by requiring an extra server. See "Obfuscated tunnel" in [Linux HOWTO](https://github.com/klzgrad/naiveproxy/wiki/Linux-HOWTO).
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The application is entirely based on Chromium's code base and build system. The master branch contains a minimal set of files that are changed from Chromium stable, for ease of code review. The version branches contain a minimized but still large buildable codebase with the same changes.
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