wildcard NameVirtualHosts and _default_ servers:
*:443 is a NameVirtualHost
default server localhost (/etc/apache2/sites-enabled/ssl:2)
port 443 namevhost localhost (/etc/apache2/sites-enabled/ssl:2)
*:80 is a NameVirtualHost
default server localhost (/etc/apache2/sites-enabled/000-default:2)
port 80 namevhost localhost (/etc/apache2/sites-enabled/000-default:2)
Syntax OK
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Firefox Error (german): localhost hat eine falsche oder unerwartete Nachricht gesendet. Fehler-Code: -12263
localhost sent a wrong or unexpected message. Error-Code: -12263
connecting to http://localhost works, https://localhost not.