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authorMicah Anderson <micah@leap.se>2014-04-02 13:17:20 -0400
committerMicah Anderson <micah@leap.se>2014-04-02 13:25:13 -0400
commit5cca6d100ffd991e6f943d916361bf0497728d70 (patch)
tree64b5d93cf5fe407c19a7fb18fa036a6ea5e41eb7 /puppet/modules/site_postfix/manifests
parentb12c315edef56515321306a692d0f2098f4e8ee0 (diff)
Update TLS apache vhost TLS configuration (#5137):
. We want to allow for TLS1.2 to be enabled (supported in wheezy) . Explicitly disable SSLCompression. This aids in protecting against the BREACH attack: see http://breachattack.com), and SPDY version 3 is vulnerable to the CRIME attack when compression is on . Switch the cipher suites to match https://wiki.mozilla.org/Security/Server_Side_TLS#Apache for these reasons: . Prefer PFS, with ECDHE first then DHE (TLS 1.2, not many implementations support this, and there are no known attacks). . Prefer AES128 to AES256 because the key schedule in AES256 is considered weaker, and maybe AES128 is more resistant to timing attacks . Prefer AES to RC4. BEAST attacks on AES are mitigated in >=TLS1.1, and difficult in TLS1.0. They are not in RC4, and likely to become more dangerous . RC4 is on the path to removal, but still present for backward compatibility Change-Id: I99a7f0ebf2ac438f075835d1cb38f63080321043
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