How to check the VCF License Server certificate expiration date using the openssl command

Products

• VCF Operations

Issue/Introduction

While the "Verification" section of VCF License Server certificate replacement with an external CA-signed certificate explains how to check the VCF License Server certificate details via a web browser, this article provides the steps to verify the certificate expiration date using the openssl command.

Environment

• VCF Operations 9.1.0
• VCF License Server 9.1.0

Resolution

To verify the expiration date and details of the VCF License Server certificate, run the following command from a machine with network connectivity to the License Server:
# echo | openssl s_client -connect <license_server>:443 2>/dev/null | openssl x509 -noout -subject -issuer -dates

Note: Replace <license_server> with the actual IP address or FQDN of the VCF License Server.

Additional Information

VCF License Server certificate replacement with an external CA-signed certificate

openssl コマンドを使用して VCF License Server 証明書の有効期限を確認する方法