network where host.os.type == "linux" and event.type == "start" and event.action == "connection_attempted" and (
     user.name in (
      "apache", "www-data", "httpd", "nginx", "lighttpd", "tomcat", "tomcat8", "tomcat9", "ftp", "ftpuser", "ftpd"
     ) or
     user.id in ("99", "33", "498", "48")
   ) and (
   process.name in (
    "apache", "nginx", "apache2", "httpd", "lighttpd", "caddy", "node", "mongrel_rails", "java", "gunicorn",
    "uwsgi", "openresty", "cherokee", "h2o", "resin", "puma", "unicorn", "traefik", "tornado", "hypercorn",
    "daphne", "twistd", "yaws", "webfsd", "httpd.worker", "flask", "rails", "mongrel"
  ) or
    process.name like ("php-*", "python*", "ruby*", "perl*")
) and
network.direction == "egress" and destination.ip != null and
not destination.port in (80, 443, 8080, 8443, 8000, 8888, 3128, 3306) and
not cidrmatch(destination.ip, "127.0.0.0/8", "::1","FE80::/10", "FF00::/8")

/* 
This rule does not exclude local IP ranges by default. To exclude these, use the following exclusion statement:
cidrmatch(destination.ip, "10.0.0.0/8", "169.254.0.0/16", "172.16.0.0/12", "192.0.0.0/24", "192.0.0.0/29", "192.0.0.8/32", "192.0.0.9/32",
"192.0.0.10/32", "192.0.0.170/32", "192.0.0.171/32", "192.0.2.0/24", "192.31.196.0/24", "192.52.193.0/24", "192.168.0.0/16", "192.88.99.0/24",
"224.0.0.0/4", "100.64.0.0/10", "192.175.48.0/24","198.18.0.0/15", "198.51.100.0/24", "203.0.113.0/24", "224.0.0.0/4", "240.0.0.0/4")
*/