Firefox error code ssl_error_bad_cert_domain

What is ‘Firefox error code ssl_error_bad_cert_domain’?

“Firefox error code ssl_error_bad_cert_domain” is an error, which may indicate that the host or domain is still using an old certificate other than what is issued to the user.

 

How can you fix ‘Firefox error code ssl_error_bad_cert_domain’?

Some of the common fixes include:

  • Adding the website to Security Exception
  • Configuring the Date and Time
  • Disabling security.ssl3.dhe_rsa_aes_128_sha
  • Clearing the cache

 

Please see our in-depth walk-through solutions below.

Staff Asked on October 27, 2017 in Firefox.
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4 Solution(s)

Solution 1. Add Website to Security Exception

“Firefox error code ssl_error_bad_cert_domain” could appear when you access a website that is risky. However, if this website is safe for you to access, add it to your Security Exception. To add it, see instructions below.

  1. Click Advance.

    RE: Firefox error code ssl_error_bad_cert_domain

  2. Add Exception a window should pop up.
  3. Click Get Certificate.
  4. Confirm Security Exception. 
Staff Answered on February 5, 2018.
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Solution 2. Configure Date and Time

Mozilla Firefox validates the PC’s time and date. If the time and date are extremely far from the internet date and time, it could throw the error “Firefox error code ssl_error_bad_cert_domain.” Double check your Date and Time if it is synchronized with the internet. See video instruction below. 

Staff Answered on February 5, 2018.
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Solution 3. Disable security.ssl3.dhe_rsa_aes_128_sha

“Firefox error code ssl_error_bad_cert_domain” could also be caused by security.ssl3.dhe_rsa_aes_128_sha. It could be interrupting your connection. To fix the problem, you could try disabling security.ssl3.dhe_rsa_aes_128_sha. See instructions below on how to.

  1. Open Mozilla Firefox.

    RE: Firefox error code ssl_error_bad_cert_domain

  2. Type “about:config” in the address bar and press Enter.
  3. Click “I accept the risk” to confirm.
  4. Then, in the search bar type security.ssl3.dhe_rsa_aes_128_sha.
  5. Double click security.ssl3.dhe_rsa_aes_128_sha , to set it as false.
Staff Answered on February 5, 2018.
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Solution 4. Clear cache and disable Deceptive Content and Dangerous Software Protection

“Firefox error code ssl_error_bad_cert_domain” could also be caused by the safety protocol of Mozilla Firefox and a bad cache. You may want to clear cache and disable Deceptive Content and Dangerous Software Protection. See the instructions below.

  1. Open Mozilla Firefox.
  2. Type about:preferences#privacy into the Address bar and press Enter key.

    RE: Firefox error code ssl_error_bad_cert_domain

  3. Look for Cache Web Content then click Clear Now, and then click Ok to confirm.
  4. Scroll down, look for Security and disable Deceptive Content and Dangerous Software Protection
  5. Then, access your Website and repeat Solution 1.
Staff Answered on February 6, 2018.
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