Blog / Security


Server has a weak ephemeral Diffie-Hellman public key

ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY Yeah, this is one of the new features coming with the latest version of Google Chrome (45). It basically means that the most used browser is becoming unusable to manage older Cisco products. I faced the problem when I was trying to access one CUCM version 9.x in my lab. I'm pretty sure there are thousands of products working pretty fine sitting in your private LAN behind a firewall, but you simply cannot use Chrome to access them as all of them require https. I've spent probably half a day looking for a workaround in Chrome but so far…

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