package ca import ( "golang.org/x/sys/windows" ) func init() { majorVersion, _, _ := windows.RtlGetNtVersionNumbers() // crypto/x509: certificate validation in Windows fails to validate IP in SAN // https://github.com/golang/go/issues/37176 // As far as I can tell this is still the case on most older versions of Windows (but seems to be fixed in 10) if majorVersion < 10 && len(_CaCertificates) > 0 { DisableSystemCa = true } }