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Added openssl s_client to view cert expiration

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adelviscio 2013-09-01 15:56:15 -04:00
parent 14821d424c
commit 4d6bc270cf
1 changed files with 5 additions and 0 deletions
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cheatsheets/openssl
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@ -8,3 +8,8 @@ openssl req -new -key server.key -out server.csr
openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
# (The above commands may be run in sequence to generate a self-signed SSL certificate.)
To view certificate expiration:
+echo | openssl s_client -connect <hostname>:443 2> /dev/null | \
awk '/-----BEGIN/,/END CERTIFICATE-----/' | \
openssl x509 -noout -enddate