Lets Encrypt, NGINX proxy and SSL_ERROR_NO_CYPHER_OVERLAP
I have several sites behind a reserve proxy using NGINX Proxy manager. Every time my Let encrypt certs renew, for several days after I get SSL_ERROR_NO_CYPHER_OVERLAP when trying access my sites from firefox. I do not have this issue with other browsers.
I am on firefox 95.0.2
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Thanks for the info. I don't know why but deleting the two "OS Client Cert Token" in the "Your certificates" tab of certificate manager fixed my issue. The certs regenerated and now the pages load with no issue.
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SSL_ERROR_NO_CYPHER_OVERLAP Your server apparently doesn't offer any cipher suites necessary to establish a secure https connection that are supported in Firefox. You can check what kind of cipher suites Firefox can make use of by visiting; https://www.ssllabs.com/ssltest/viewMyClient.html
Firefox will just show the SSL_ERROR_NO_CYPHER_OVERLAP error when encountered any site using the RC4 cipher.
Note: The website may only work via HTTP and won't work if you force secure HTTPS. You may have to create an 'Off' exception if you use HTTPS-Only.
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Thanks for the info. I don't know why but deleting the two "OS Client Cert Token" in the "Your certificates" tab of certificate manager fixed my issue. The certs regenerated and now the pages load with no issue.
Glad to help. Safe Surfing.