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linux:webserver:openssl:check_cert_expire

Table of Contents

Check SSL Cert Expire Date

Expire Date

echo | openssl s_client -showcerts -servername <sniname> -connect <server>:<port> 2>/dev/null | openssl x509 -noout -startdate -enddate

Beispiel:
echo | openssl s_client -showcerts -servername dwiki.heisl.org -connect dwiki.heisl.org:443 2>/dev/null | openssl x509 -noout -startdate -enddate


Subject

echo | openssl s_client -showcerts -servername <sniname> -connect <server>:<port> 2>/dev/null | openssl x509 -noout -subject

Beispiel:
echo | openssl s_client -showcerts -servername dwiki.heisl.org -connect dwiki.heisl.org:443 2>/dev/null | openssl x509 -noout -subject


Text

echo | openssl s_client -showcerts -servername <sniname> -connect <server>:<port> 2>/dev/null | openssl x509 -noout -text

Beispiel:
echo | openssl s_client -showcerts -servername dwiki.heisl.org -connect dwiki.heisl.org:443 2>/dev/null | openssl x509 -noout -text


Text local

Cert Text local abfragen inkl. der Cert Chain 

openssl crl2pkcs7 -nocrl -certfile <CERT> | openssl pkcs7 -print_certs -text -noout
linux/webserver/openssl/check_cert_expire.txt · Last modified: by stone