Tag: RFC6125

New tests added: International characters and SAN

During these first days since our launch we’ve gotten a lot of feedback. The Internet Society has blogged about us, We have gotten bug reports on github. And we have a lot of new ideas. Some you can see if you peek in at our Github project. Certificates and TLS is a complex area. We […]


Test #17 :: CN correct, Subject Alt Name incorrect

If a certificate contains Subject Alt Names, the name in the Subject – the Common Name – should not be used for verification. This is defined in RFC 6125, published in March 2011. Not all old browsers support this rule. It is important that you make sure that new applications and clients support this. This […]