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SSL Certification Expiry Date Checker

Problem

You want to automate checking expiry of SSL (HTTPS) Certificate expiry.

Problem	Solution	Example	Reference	Recommended
./openssl_cert_expiry_check www.example.com:443 Here is the code - but take note you may need the openssl client that supports proxying. Leave me a comment if you want this code. #!/bin/bash [ $# -ne 1 ] &echo -n "$1 - " echo " GET / HTTP/1.0 EOT " \| openssl s_client -connect $1 2>&1 \| \ sed -n '/—–BEGIN CERTIFICATE—–/,/—–END CERTIFICATE—–/p' \| \ openssl x509 -enddate \| \ awk -F= ' /notAfter/ { printf("Expires: %s\n",$NF); } ' exit 0

SSL Certification Expiry Date Checker

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