- Enabled Security Level (Server Config > Web > Security Level) for nginx.

- Added escapeshellcmd to some paths in nginx_plugin.inc.php.

- Added SEO redirects (both Apache & nginx) to redirect from non-www website to www website or vice versa.
- Introduced placeholder [scheme] for redirect paths for alias and subdomains; will be replaced with http or https, depending on what the visitor uses.

- Fixed a bug in server settings rescue page.

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- Removed ufw firewall tab.

Custom php.ini settings: PHP-FPM might complain about invalid boolean value if you use 0 instead of off, false, or no.

Fixed bug that caused the wrong list to be loaded when the return key was pressed in a search text field of a list.

combobox can send now focused with enter when a complete match exsits like 5 in priority in spamfilters

smaller tabs in no_image and 32x32, admin has under 1024 all tabs in 1 row and in no_image some space free for 2 more tabs

Added 2 guidelines -> About ereg,split... (removed in php 5.4 or 6, different informations on php.net) and no shorttags, use <?php always and no <?

fieldset border-color set for all browsers @till blue looks in all colors bad with 1px, i used now gray + Remoteuser list, add user button has now a fieldset like every other form (i had without a problem in FF8)

fix #1747 - check for amavised for postfix rules -> pure webserver need for php sendmail, most often postfix is used for it, because admin know it. I checked different repos for differnet names, alwas amavsid or with -new.

Removed unused database tables: 

DROP TABLE `mail_greylist`;
DROP TABLE `firewall_filter`;
DROP TABLE `firewall_forward`;
DROP TABLE `proxy_reverse`;

- Added tables for web folder protection.

- Fixed FS#1745.