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07-21-2015 03:05 PM
07-21-2015 03:05 PM
FIrefox (Error code: ssl_error_weak_server_ephemeral_dh_key)
Using SDN Controller v2.5.15.1175
Getting this error message after upgrading to the latest Firefox version 39.0.
SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message.
(Error code: ssl_error_weak_server_ephemeral_dh_key)
IE and Chrome seem to be working.
A workaround to allow weak cyphers in Firefox seems to work:
1) In FireFox, enter "about:config" in the URL field and press enter.
2) Accept the "This might void your warranty!" warning :)
3) In the search field at the top, enter "security.ssl3.dhe_rsa_aes"
4) Double click each result (128 and 256) to toggle the Value to "false"
Is there a way to fix this with keytool to gen a new cert?
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07-23-2015 08:16 AM
07-23-2015 08:16 AM
Re: FIrefox (Error code: ssl_error_weak_server_ephemeral_dh_key)
Chris,
Thank you for contacting the HP SDN Forum. At the moment I am researching your issue with our engineering department to see if they can upgrade the script. I will get back to you once I get an official notice that the script has been updated.
Best Regards,
Carlos
CoE/SDN Team
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02-01-2016 02:01 PM
02-01-2016 02:01 PM
Re: FIrefox (Error code: ssl_error_weak_server_ephemeral_dh_key)
was able to generate a new cert but i cant login to the web page, now on firefox it says:
"Unable to connect
Firefox can't establish a connection to the server at 192.168.192.42:8443.
The site could be temporarily unavailable or too busy. Try again in a few moments.
If you are unable to load any pages, check your computer's network connection.
If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web."
But from chrome it states:
"This webpage is not available
ERR_CONNECTION_TIMED_OUT"
:(
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04-28-2016 03:13 PM
04-28-2016 03:13 PM
Re: FIrefox (Error code: ssl_error_weak_server_ephemeral_dh_key)
any update on this issue? why is this listed in 'resolved issues' tag? thanks.
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05-13-2016 02:33 PM
05-13-2016 02:33 PM
Re: FIrefox (Error code: ssl_error_weak_server_ephemeral_dh_key)
Please use version 2.7.10 or newer of the VAN SDN Controller. There is an OVA download package, or debian package with upgrade instructions. Download link below:
Best Regards,
-Scott
HPE Aruba