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net:net [2025/10/08 13:12] – [DNS & Mail] Bernard Condraunet:net [2026/09/01 12:42] (current) – [SSL & Ports] Bernard Condrau
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   * [[https://www.plesk.com/kb/support/how-to-verify-that-ssl-for-imap-pop3-smtp-works-and-a-proper-ssl-certificate-is-in-use/|How to verify that SSL for IMAP/POP3/SMTP works and a proper SSL certificate is in use]]   * [[https://www.plesk.com/kb/support/how-to-verify-that-ssl-for-imap-pop3-smtp-works-and-a-proper-ssl-certificate-is-in-use/|How to verify that SSL for IMAP/POP3/SMTP works and a proper SSL certificate is in use]]
   * [[http://www.yougetsignal.com/tools/open-ports/|Port Forwarding Tester]]   * [[http://www.yougetsignal.com/tools/open-ports/|Port Forwarding Tester]]
-  * [[http://canyouseeme.org/|Open Port Check Tool]] +  * [[https://portchecker.co/|Port Checker]]
-  * [[https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/3/html/Security_Guide/s1-server-ports.html|Verifying Which Ports Are Listening]]+
  
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