SSL cert “err_cert_authority_invalid” on mobile chrome only
Using CentOs you may see this error in your android chrome browser or you may try analyzing your website on gtmetrix
and gtmetrix may reject your site analyzing process due to incorrectly installed SSL.
Problem: you are missing Intermediate Certificate.
This solution is for POSITIVESSL - COMODO SSL:
1) Open Zip file you received with certificate.
2) Now create one CA.TXT file and open in any text editor.
Now also open
in any text edito and copy those certificate information to CA.TXT one by one and upload ca.txt on your server
may be here /etc/pki/tls/certs
SSLProtocol -ALL +SSLv3 +TLSv1
Now test and your problem would have been solved