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Is there a way to disable SSL/TLS Compression in Apache 2.2.x when using mod_ssl?

If not, what are people doing to mitigate the effects of CRIME/BEAST in older browsers?

Related Links:

  1. https://issues.apache.org/bugzilla/show_bug.cgi?id=53219
  2. https://threatpost.com/en_us/blogs/new-attack-uses-ssltls-information-leak-hijack-https-sessions-090512
  3. http://security.stackexchange.com/questions/19911/crime-how-to-beat-the-beast-successor
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Also see serverfault.com/questions/455450/… –  Stefan Lasiewski Dec 11 '12 at 22:57
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1 Answer

up vote 7 down vote accepted

You can use SSLCompression off if you're on 2.2.24 or later.

If not, you can set the OPENSSL_NO_DEFAULT_ZLIB environment variable to force compression off in OpenSSL - see this question.

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