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Tor and rate limiting #1015

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Changaco opened this issue Mar 17, 2018 · 1 comment · Fixed by #1092
Closed

Tor and rate limiting #1015

Changaco opened this issue Mar 17, 2018 · 1 comment · Fixed by #1092
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@Changaco
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defense protecting ourselves, our users and innocent third-parties good first issue suitable for new contributors

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@Changaco
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For rate limiting purposes we should treat Tor exit nodes as a single origin network. Context: liberapay/salon#192 (comment).

If I remember correctly Cloudflare tags requests coming from Tor with a specific "country" code, so we should be able to use that.
@Changaco Changaco added good first issue suitable for new contributors defense protecting ourselves, our users and innocent third-parties labels Mar 17, 2018
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If I remember correctly Cloudflare tags requests coming from Tor with a specific "country" code, so we should be able to use that.

Yep, that is the case.

Since late February 2016, Cloudflare treats Tor exit nodes as a "country" of their own. There's no geography associated with these IPs, but this approach lets Cloudflare customers override the default Cloudflare threat score to define the experience for their Tor visitors. [1]

@Changaco Changaco self-assigned this Apr 30, 2018
@Changaco Changaco mentioned this issue Apr 30, 2018
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@Changaco Changaco

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defense protecting ourselves, our users and innocent third-parties good first issue suitable for new contributors
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Add more rate limits liberapay/liberapay.com
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@Changaco @EdOverflow