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No longer able to login to the web GUI using a browser other than IE or Firefox

Level 4

Hello! It seems opscenter is not configured correctly or the HTTPS settings are not secure enough. Here is the message I get when I try to login with Opera:

Server has a weak ephemeral Diffie-Hellman public key

This error can occur when connecting to a secure (HTTPS) server. It means that the server is trying to set up a secure connection but, due to a disastrous misconfiguration, the connection wouldn't be secure at all! 

In this case the server needs to be fixed. Opera won't use insecure connections in order to protect your privacy.

A quick search on the web points me to a weak key (smaller than 1024bit) being used for the https connections. Where/how can I fix this? The other browsers allow me to connect but I would prefer not using IE or Firefox...


Level 6

You didn't mention which version of OpsCenter you're running but this might apply:

OpsCenter SSL certificate signed by using a weak hash algorithm


This might also help:

 How to replace the default OpsCenter 7.6.x certificate with one using a different encryption algorithm

Level 4

Thank you, I will look at those links. We are using

Level 3
Partner Accredited

Upgrade to 7.7.  Issues go away.

Level 4

Thank you, it is now fixed with 7.7.