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Category Archives: Firefox

How to disable purple alert box in Ghostery Firefox browser extension

To disable the purple alert box in Ghostery Firefox browser extension that appears in the right lower corner
ghostery1
Go to My Ghostery
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Uncheck the option Show the purple box tracker list in the corner of my browser
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Firefox Error code: sec_error_ca_cert_invalid

I was receiving this error when trying to open an iLO 3 connection through Onboard Administrator.
sec_error_ca_cert_invalid

To solve this problem, type about:config in the address bar.

Then toggle to false the preference security.use_mozillapkix_verification

Firefox Error code: sec_error_reused_issuer_and_serial

The correct way to solve is to regenerate a new certificate on the device you’re connecting to.
Or to update the firmware of this device.

Error code: sec_error_reused_issuer_and_serial

If it is not possible, enter in this folder and delete these two files
%APPDATA%\Mozilla\Firefox\Profiles\<random.string>
cert_override.txt
cert8.db

Restart Firefox. Try again and if it doesn’t solve, remove all the certificates on Firefox options.

You may also want to install this extension Skip Cert Error. Access the page and don’t do anything when Firefox asks you what to do with the certificate. It will skip the confirmation for self-generated certificates. Valuable for the IT professionals. Since you won’t be adding the certificate permanently, this error won’t show again. Remember to check the option “has domain mismatch”

Skip Cert Error

You can also check if this applies to your situation Firefox Error code: sec_error_ca_cert_invalid

Source:
Error code: sec_error_reused_issuer_and_serial

Bug 435013 – Cert error “sec_error_reused_issuer_and_serial” (e.g. for Linksys devices) cannot be overridden

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