Splitted the remote function permission array for the remote user form into separate config files. The new remote.conf.php files are located in the lib folder of the modules.

- Fix: IPv6 address must not be '*'.

- Added SNI config field in sysetm > server config > web.

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

- Fixed a bug in server settings rescue page.

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- Removed ufw firewall tab.

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)

- Fixed FS#1745.

fixed #681 - removed all onblur, checked onchange for function and removed it in filter panels. Added jquery keypress (event 13 -> enter) and tested it in different browsers

- Added a new IP validator to the tform library which validates IPv4 and IPv6 addresses.

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