Tag: SSL

postfix/submission/smtpd certificate expired alert number 45

I tried to configure Laravel mail client with secure connection via TLS to my email server but in email client I got: Unable to connect with STARTTLS: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed. At the same time on my email server in /var/log/maillog I observed the following: …

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Virtualmin: no Manage SSL certificate option

Virtualmin-SSL-certificate-option-enable

The problem is that you want to enable SSL certificate for virtual domain in Virtualmin but the Manage SSL certificate option is absent from the Server Configuration. By default Manage SSL option is absent and you need to enable it in Features. To do so go toEdit Virtual Server -> Enabled Features, and set “Apache …

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How To Create SSL Certificate for Apache on CentOS 7

An SSL certificate is an electronic ‘document’ that is used to bind together a public security key and a website’s identity information (such as name, location, etc.) by means of a digital signature. The ‘document’ is issued by a certificate provider such as GlobalSign, Verisign, GoDaddy, Comodo, Thawte, and others. In this article I will …

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SSL/TLS Alert Protocol & the Alert Codes

There have been many occasions where a event corresponding to SChannel is logged in the System event logs which indicates a problem with the SSL/TLS handshake and many a times depicts a number. The logging mechanism is a part of the SSL/TLS Alert Protocol. SChannel logging may have to be enabled on the windows machines …

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