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networking:ssl-installation

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networking:ssl-installation [2024/08/14 16:43] oscarnetworking:ssl-installation [2024/08/14 16:45] (current) oscar
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 |-showcerts |Prints all certificates in the certificate chain presented by the SSL service. Useful when troubleshooting missing intermediate CA certificate issues.  |openssl s_client -connect <hostname>:<port> -showcerts| |-showcerts |Prints all certificates in the certificate chain presented by the SSL service. Useful when troubleshooting missing intermediate CA certificate issues.  |openssl s_client -connect <hostname>:<port> -showcerts|
  
 +==== Port using STARTTLS ====
 In order to check STARTTLS ports, the following command should be run. Replace [port] with the port number and [protocol] with smtp, pop3 or imap value: In order to check STARTTLS ports, the following command should be run. Replace [port] with the port number and [protocol] with smtp, pop3 or imap value:
   openssl s_client -connect example.com:[port] -servername example.com -starttls [protocol]   openssl s_client -connect example.com:[port] -servername example.com -starttls [protocol]
   openssl s_client -connect 192.168.178.xx:25 -servername oscardegroot.nl -starttls smtp   openssl s_client -connect 192.168.178.xx:25 -servername oscardegroot.nl -starttls smtp
   openssl s_client -connect 192.168.178.xx:143 -servername oscardegroot.nl -starttls imap   openssl s_client -connect 192.168.178.xx:143 -servername oscardegroot.nl -starttls imap
 +  
 +==== Port not using STARTTLS ====
 In order to check non-STARTTLS ports, use the following command: In order to check non-STARTTLS ports, use the following command:
-  openssl s_client -connect example.com:[port] -servername example.com 
   openssl s_client -connect 192.168.178.xx:443 -servername www.oscardegroot.nl   openssl s_client -connect 192.168.178.xx:443 -servername www.oscardegroot.nl
 +  openssl s_client -connect example.com:[port] -servername example.com
 +
  
  
networking/ssl-installation.1723653784.txt.gz · Last modified: by oscar