nginx
Open ports:
20, 21, 25, 53, 80, 81, 110, 143, 443, 465, 587, 993, 995, 2525, 3306, 5432, 34571, 34572, 34573
HttpOnly, RedirectLocation, Country, nginx, Cookies, HTTPServer, IP, UncommonHeaders, Bootstrap, Title, X-UA-Compatible, HTML5, MetaGenerator, Script, JQuery, OpenSearch
...