Viewing topic GoL HTTPS | GamingOnLinux

GoL HTTPS

minj Dec 3, 2015

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The server uses TLS_DHE_RSA_WITH_AES_256_CBC_SHA cipher suite (suite id=0x0039[1]). DHE means Diffie-Hellman key exchange mechanism which is typically 1024bit assymetric cryptography. Unfortunately that might not be so secure any more[2] and many[3] of our accustomed protocols[4] are in danger.

While your SSL certificate expires only on May 19th, please consider changing it and/or your certificate authority now. Fortunately now is a very apt time to do so[5].

[1] https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-4
[2] https://freedom-to-tinker.com/blog/haldermanheninger/how-is-nsa-breaking-so-much-crypto/
[3] https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH
[4] https://stribika.github.io/2015/01/04/secure-secure-shell.html
[5] https://letsencrypt.org/2015/11/12/public-beta-timing.html

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tuubi Dec 3, 2015

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GOL might not exactly be a priority target for NSA or other organizations with the resources to crack DHE primes, but better safe than sorry I guess. :)

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minj Dec 3, 2015

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Point is, I want to blacklist the suite and GoL is the only site so far I am having trouble with.

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Liam Dawe Dec 3, 2015

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I've sent this onto Levi, our server admin.

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