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Editorial Team
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Asked: 2026-06-03T13:08:44+00:00

Okay. I know that I am asking a hackneyed, overchewed question but I am

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Okay. I know that I am asking a hackneyed, overchewed question but I am posting this because my problem is not getting solved despite trying all the solutions provided on various links.

My constraint – I don’t want to use a saved firefox profile to save the website’s certificate.

Selenium server version – 2.0b3

Solutions tried –
1) http://seleniumhq.org/docs/05_selenium_rc.html#handling-https-and-security-popups
Browser launcher *firefox
Selenium started with trustAllSSLCertificates option.
Did not help. FF again asks to save the certificate.

2) http://blog.mogotest.com/2010/04/13/how-to-accept-self-signed-ssl-certificates-in-selenium/
Browser launcher *firefoxproxy
Selenium started with trustAllSSLCertificates option.
Did not help.

3) Selenium Testing HTTPs Trust All certificates working for FF but not IE

4) Besides that I tried creating my own cert_override.txt and populating the 5 fields as explained in https://developer.mozilla.org/En/Cert_override.txt but getting the value for the 5th field which is the certificate’s serial number and the issuer name as a base64 encoded string is not straightforward as explained in http://tinyurl.com/ce4vn99.

5) Using the Remember Certificate Exception addon for Firefox http://sejq.blogspot.in/2009/01/remember-certificate-exception.html is yet another option but I have not been able to do a full silent install of it. When we drop the xpi file in the required directory, the next time Firefox starts, it will prompt saying that should it found the addon and should it go ahead and install. The addon won’t just get reflected in the browser. If anyone can atleast help me with a FULL silent install of this, it would be great!

All I want is that this works in Firefox. I am not interested in IE and Google Chrome.

Any help in providing an answer and not just terming this as a duplicate would be greatly appreciated.

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1 Answer

  1. Editorial Team

    So the solution turned out to be the 5th point mentioned above.
    Here are the steps to solve the issue –

    1) Download the Remember Certificate Exception xpi file from https://addons.mozilla.org/en-US/firefox/addon/remember-certificate-exception/

    2) Unzip it to get a set of files. Keep them in a temporary folder. (temp_folder/extracted_files)

    3) Open the install.rdf file and copy the content of em:id node present in the Description node.

    4) Rename the temporary folder just created with this copied string.

    5) Place this folder under the profile_name/extensions/ directory. Also delete the extensions.cache/.ini/.rdf files from your profile folder. These need to be deleted so as to prevent the user from being prompted that his profile has been changed and that there is a new addon to be installed. Only if the 3 files are deleted, it will be a fully silent install.

    This can be automated using a script. 

    #!/bin/bash
mkdir /tmp/addon
cp -r ~/POC/remember_certificate_exception-1.0.0-fx.xpi /tmp/addon
unzip /tmp/addon/remember_certificate_exception-1.0.0-fx.xpi -d /tmp/addon
rm /tmp/addon/remember_certificate_exception-1.0.0-fx.xpi
folder_name=$(cat /tmp/addon/install.rdf | grep -m 1 "<em:id>" | cut -f2 -d ">" | cut -f1 -d "<")
mv /tmp/addon /tmp/$folder_name
cp -r /tmp/$folder_name ~/.mozilla/firefox/*.default/extensions
rm -f ~/.mozilla/firefox/*.default/extensions.
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