The subject_alt_name parameter (or the Common Name parameter if the subject_alt_name parameter is empty) of the server's certificate must contain the hostname or the IP address (as resolved from the syslog-ng clients and relays) of the server (for example, syslog-ng.example.com).
Alternatively, the Common Name or the subject_alt_name parameter can contain a generic hostname, for example, *.example.com.
Note that if the Common Name of the certificate contains a generic hostname, do not specify a specific hostname or an IP address in the subject_alt_name parameter.
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