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Having trouble accessing ESIC website

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I am having trouble accessing the website https://www.esic.in/ESICInsurance1/ESICInsurancePortal/Portal_Login.aspx. Just throws error message "Error code: SSL_ERROR_NO_CYPHER_OVERLAP". The "advanced"and "add exception" options are not displayed and I could not enter the website.

I am having trouble accessing the website https://www.esic.in/ESICInsurance1/ESICInsurancePortal/Portal_Login.aspx. Just throws error message "Error code: SSL_ERROR_NO_CYPHER_OVERLAP". The "advanced"and "add exception" options are not displayed and I could not enter the website.

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www.esic.in uses an invalid security certificate.

The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported.

Error code: <a id="errorCode" title="SEC_ERROR_UNKNOWN_ISSUER">SEC_ERROR_UNKNOWN_ISSUER</a>

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There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites