Quote from: bitjoin on February 24, 2017, 12:23:04 PM

A bug was recently discovered with Cloudflare, which Kraken and many other websites use for DoS protection and other services. Due to the nature of the bug, we recommend as a precaution that you change your Kraken security credentials:

   Change your password
   Change your two-factor authentication (remove and re-enable it)
   Clients who use API keys should generate a new set of keys

You should similarly change your security credentials for other websites that use Cloudflare (see link below for a list of possibly affected sites). If you are using the same password for multiple sites, you should change this immediately so that you have a unique password for each site. And you should enable two-factor authentication for every site that supports it.

The Cloudflare bug has now been fixed, but it caused sensitive data like passwords to be leaked during a very small percentage of HTTP requests. The peak period of leakage is thought to have occurred between Feb 13 and Feb 18 when about 0.00003% of HTTP requests were affected. Although the rate of leakage was low, the information that might have been leaked could be very sensitive, so its important that you take appropriate precautions to protect yourself.

The problem is thought to have only started 6 months ago and 2FA or API keys generated before that time are probably not affected, but we recommend changing them anyway because the bug existed for years.

I got this link
https://github.com/pirate/sites-using-cloudflare/blob/master/README.md

From this topic
https://bitcointalk.org/index.php?topic=1802851.0;topicseen

Seems to sum up the problem

zottejos

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