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MiddlewareBox: How to create CSR using openssl with SAN details. / How to create SAN certificate using openssl.
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x509certificate - add or create 'Subject Alternative Name' field to self-signed certificate using makecert - Stack Overflow
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security - Should subject alternative name displayed by openssl utility? - Unix & Linux Stack Exchange
HOWTO: Create Your Own Self-Signed Certificate with Subject Alternative Names Using OpenSSL in Ubuntu Bash for Window · GitHub
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