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This SSL_Error_Weak_Server_ephemeral_DH_key error is a simple Mozilla Firefox error. This secure connection error has occurred recently and is very irritating. There is no special solution on the Internet to correct this unknown error. Some forums, especially the Firefox forum, discuss this bug, but it does not work well.
The complete error may look like this in your browser:
Secure Connection Failed
An error occurred during a connection to www.website.com. SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key)
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
Please contact the web site owners to inform them of this problem.
There is no way to ignore the warning and continue the connection. Ideally, the owners of the server or website in question should update their server settings and SSL certificate to ensure security.
As with some Firefox forum users, the error message also appears because of your browser’s old driver and updating it will solve the problem. To update the driver, do the following
- Open the “Open” menu, then click on “Add-ons”.
- Update the drivers if necessary.
Some Firefox users have stated that updating your browser will solve the problem. To update Firefox, do the following
- In your Mozilla Firefox browser, select “Open menu”, then click on “Help Menu”.
- Select “Troubleshooting Information” from the menu.
- Click on “Update Firefox”.
Disable SSL 2.0 in Tomcat Server
If you are using the Tomcat server (version 4.1.32 or higher), its SSL 2.0 can be enabled by default and you will encounter this error code ssl -1/1/336032856. Simply disable SSL 2.0 and disable weak encryption. And go to your server.xml file and add the code below to the ssl connector.
<connector port=”443” maxhttpheadersize=”8192” address=”127.0.0.1“
enablelookups=”false” disableuploadtimeout=”true” acceptCount=”100“
scheme=”https” secure=”true” clientAuth=”false” SSLEnabled=”true“
truststoreFile=”mytruststore.truststore” truststorePass=”changeit” />
Disable the export of encryption suites
Although modern browsers no longer support export suites, FREAK and Logjam attacks allow an intermediate hacker to encourage browsers to use exportable cryptography, after which the TLS connection can be decrypted. Export encryption is a remnant of the policy of the 1990s that prevented the export of strong cryptographic protocols from the United States. No modern customer relies on export suites and there are few disadvantages to disabling them.
Upgrading Firefox to the latest version
Let’s start by making sure your Firefox is updated to the latest version. If you make sure you are using the latest version available, there is no possibility that this error will occur due to an error.
Several users concerned reported that the problem had been fixed for them after updating their browser. Here is a short guide on how to proceed:
- Open Firefox and click on the action button in the upper right corner. Then go to Help and click on About Firefox.
- In the About Mozilla Firefox window, click Restart to update Firefox and wait until the process is complete. When prompted by the Firefox Updater User Account Control (UAC), select Yes to assign administrator privileges.
- Once Firefox has been restarted, visit the same website that has already caused you problems and see
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CCNA, Web Developer, PC Troubleshooter
I am a computer enthusiast and a practicing IT Professional. I have years of experience behind me in computer programming, hardware troubleshooting and repair. I specialise in Web Development and Database Design. I also have a CCNA certification for Network Design and Troubleshooting.