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2712 posts

Uber Geek

# 214116 28-Apr-2017 12:17
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I have various devices that I connect to over the LAN using https which have self-signed certificates (routers, printers, etc). Since they are only being accessed over the LAN I am perfectly happy with self-signed.


To avoid security warnings, and to allow Chrome to save the login details, I import the self-signed certificates as Trusted Root Authorities on my PC.


However, Chromes latest update to version 58 has broken this.


Everything I am reading says it is because of the certificates not having a SAN, however Chrome is reporting two problems with the certificate. One says "Subject Alternative Name Missing" but the other says "ERR_CERT_AUTHORITY_INVALID".


What little I can find about this change says that replacing the certs with new self-signed ones that have a SAN will sort both problems, however when I do this it only resolves the first error. I still get the second error "ERR_CERT_AUTHORITY_INVALID" and the cert is still not trusted by Chrome. I have imported the new cert as a Trusted Root Authority.


Does anyone now how I can get Chrome to trust a self-signed certificate on version 58?

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Uber Geek

  # 1771956 28-Apr-2017 15:22
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Figured it out.


Chrome now not only insists on a certificate having a SAN, but the CN now has to be a FQDN. So hostname or IP address is no good.

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