openssl version detect

Vulnerabilities
https://www.openssl.org/news/vulnerabilities.html


https
openssl s_client -connect www.feistyduck.com:443 -CAfile /etc/ssl/certs

ftps
openssl s_client -connect ftp.xxx.com:21 -starttls ftp

in ruby
require "openssl"
puts OpenSSL::OPENSSL_VERSION
puts "SSL_CERT_FILE: %s" % OpenSSL::X509::DEFAULT_CERT_FILE
puts "SSL_CERT_DIR: %s" % OpenSSL::X509::DEFAULT_CERT_DIR

Mac OS X rvm 
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Show the status for all installed rubies:
rvm osx-ssl-certs status all

Update OpenSSL certificates for current ruby:
rvm osx-ssl-certs update

Update OpenSSL certificates for specific path: 
`rvm osx-ssl-certs update /etc/openssl`

Schedule daily update of certificates:
`rvm osx-ssl-certs cron install`
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