[v3_extensions] basicConstraints = CA:TRUE subjectAltName = @subject_alternative_name [subject_alternative_name] DNS.0 = localhost otherName.0 = 1.3.6.1.5.5.7.8.7;IA5STRING:_xmpp-client.localhost otherName.1 = 1.3.6.1.5.5.7.8.7;IA5STRING:_xmpp-server.localhost otherName.2 = 1.3.6.1.5.5.7.8.5;FORMAT:UTF8,UTF8:localhost [distinguished_name] countryName = GB organizationName = Prosody IM organizationalUnitName = https://prosody.im/doc/certificates commonName = Example certificate [req] prompt = no x509_extensions = v3_extensions req_extensions = v3_extensions distinguished_name = distinguished_name