SSL received a weak ephemeral Diffie-Hellman key

Environment

Firefox 45.0.1

Situation

When connect to a HTTPS web site, an fail message SSL received a weak ephemeral Diffie-Hellman key (Error code: ssl_error_weak_server_ephemeral_dh_key) occurs.

Workaround

Open firefox→about:config→Search “security.ssl3.dhe_rsa_aes_128_sha” and “security.ssl3.dhe_rsa_aes_256_sha”→Set to false

Reference

https://forum.eset.com/topic/5348-since-firefox-39-ssl-received-a-weak-ephemeral-diffie-hellman-key-error-code-ssl-error-weak-server-ephemeral-dh-key/

 

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