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From Sean Kelly <>
Subject Disabling weak ciphers
Date Tue, 04 Oct 2016 16:54:36 GMT

My network security team is threatening to block access to our 
ApacheDS-2.0.0-M20 instance, citing weak ciphers like RC4 in use on our 
port 636.

Here's the list of ciphers I have enabled in the config:

ads-enabledciphers: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
ads-enabledciphers: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
ads-enabledciphers: TLS_DHE_RSA_WITH_AES_128_CBC_SHA
ads-enabledciphers: TLS_DHE_DSS_WITH_AES_128_CBC_SHA
ads-enabledciphers: TLS_RSA_WITH_AES_128_CBC_SHA256
ads-enabledciphers: TLS_RSA_WITH_AES_128_CBC_SHA

There's no RC4 in there. But sure enough, when I test with OpenSSL, I 
can indeed connect with ECDHE-RSA-RC4-SHA, AECDH-RC4-SHA, and RC4-SHA, 
despite those NOT appearing in the list.

Any idea what's going on?

Sean Kelly
Member, Apache Software Foundation

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