How to disable particular SSL ciphers

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In case you need to disable a particular SSL cipher, it can be done by adjusting it in RAS Console > Farm > Gateways > right-click on a Gateway > Properties > SSL/TLS > Cipher Strength.

For example, you want to use Medium Cipher Strength, excluding the TLS_RSA_WITH_3DES_EDE_CBC_SHA cipher.

Here how it's done:

  1. Copy the Medium Cipher string:

  2. Add the following after !EXP: - !DES-CBC3-SHA:
  3. End result should be like that:


In general, you should get the OpenSSL name of the cipher suite, and insert it into a string with an "!" before the name. OpenSSL name list for cipher suites is available here.

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