[/text], サーバの証明書の作成は「openssl req」で実施 ECDSAで実施したい場合は「-newkey rsa:4096」を「-newkey ec:<(openssl ecparam -name 【曲線の種類】)」に変更すれば可能です。, [text] -config /etc/pki/tls/openssl.cnf ～～～～～～省略～～～～～～ Generate a private key: $ openssl genrsa -out san.key 2048 && chmod 0600 san.key Create a configuration file. openssl subject alternative name. Common Name (eg, your name or your server's hostname) []:kaede.jp DNS.4 = ccc.bbb.kaede.jp What you are about to enter is what is called a Distinguished Name or a DN. OpenSSL 1.1.1-pre7 (beta) 29 May 2018 Organizational Unit Name (eg, section) []: into your certificate request. DNS:ggg.kaede.jp, DNS:hhh.kaede.jp, IP Address:192.168.8.123, IP Address:192.168.9.21 SSL証明書のエントリをテキスト形式で見ると このような感じになっていると思います。大抵、証明書を設置するドメインを「←※」の箇所の CN= に書きますが、Chrome 58 以降、この CN= を評価しなくなったようです。 そのため、閲覧しているドメインが CN= に一致しても、証明書が検証できないとしてエラーになります。 ----- Certificate: Modulus: Create a configuration file. Note: In the example used in this article the configuration file is "req.conf". Not Before: Jun 10 08:18:01 2018 GMT Firefox & Chrome now require the subjectAltName (SAN) X.509 extension for certificates.. Generating a 4096 bit RSA private key Check your third party TLS certificates for subject alternative names (SAN) in a container formatted pem file commonly used with UCP: # openssl x509 -text -noout -in server-cert.pem | grep "X509v3 Subject Alternative Name" -A1 X509v3 Subject Alternative Name: DNS:*.example.com, IP Address:127.0.0.1 When I inspect that CSR with openssl req -in key.csr -text I can see a corresponding section:. I wish to configure OpenSSL such that when running openssl req -new to generate a new certificate signing request, I am prompted for any alternative subject names to include on the CSR.. Not Before: Jun 10 10:02:48 2018 GMT DNS:kaede.jp, DNS:aaa.kaede.jp, DNS:bbb.kaede.jp, DNS:ccc.bbb.kaede.jp, IP Address:192.168.1.1, IP Address:192.168.2.15 (2015-03-25 01:12:44 +09:00 版) Related Searches: openssl add san to existing certificate, create self signed certificate with subject alternative names linux, add subject alternative name to certificate openssl, openssl create certificate with subject alternative name, openssl csr san, openssl sign csr with subject alternative name… Locality Name (eg, city) [Default City]:Osaka So I have been able to create a Certificate Signing Request with a Subject Alternative Name of the form subjectAltName=IP:1.2.3.4 by following the recipe in a previous (splendid) answer.. A SAN certificate is a term often used to refer to a multi-domain SSL certificate. Data: Public-Key: (4096 bit) These values added to a SSL certificate via the subjectAltName field. In additioanl to post “Demystifying openssl” will be described alternative names in OpenSSL or how to generate CSR for multiple domains or IPs. Add an subject alternative name to SSL certificate with openssl Dr. Xi. These values are called Subject Alternative Names (SANs). 1b:79:83:43:67:b2:3e:a4:91:cb:a1:b5:8f:6a:0e: Issuer: C=JP, ST=Osaka, L=Osaka, O=Kaede, CN=kaede.jp Signature Algorithm: sha256WithRSAEncryption $ openssl x509 -in example.crt -text -noout | grep -A1 'Subject Alternative Name' X509v3 Subject Alternative Name: DNS:www.example.com, IP Address:1.2.3.4 （承認された解決策とそのコメントへの功績によるものだが、私はCSRにも署名する方法を詳しく説明することが役に立つかもしれないと … Let’s create a Self-Signed Certificate by using OpenSSL that includes Subject Alternative Name (SAN) to get rid of this issue. This is a cert that will be accepted by every major browser (including chrome), so long as you install the certificate authority in the browser. T too hard for this term often used to refer to a multi-domain SSL with. 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