Sudden deaths of the impersonator process no longer cause unintended behavior.

Configuration data that cannot be serialized now prevents an incomplete output file from being written to disk.Admin UI: The system_user's name cannot be edited anymore (rightly so).Admin UI (macOS): Implemented workarounds for some wxWidgets glitches and malfunctions.Admin UI: Fixed a crash in listener editor.Admin UI: The password fields in the configuration dialog now how show a hint to inform the user about how to keep the existing password.Communication with the impersonator child process is now asynchronous.Settings still residing under %LOCALAPPDATA%ilezilla-server are automatically migrated. This is to workaround the issue that when doing a Windows Update the settings could be wiped out. MSW: If the service is running under the SYSTEM account, configuration files are now placed under %PROGRAMDATA%ilezilla-server.Server: The version number in the welcome messsage can now be manually suppressed by setting the 'has_version' attribute of the message field in the configuration file to 'false'.Server: Implemented throttling of login attempts in case of too many failed attempts.Admin UI: Connection dialog did not remember the last used port if there are multiple saved entries for the same hostname with different ports.Admin UI: Fixed switching from 'Use system credentials to log in' to 'Require a password to log in' not applying.MSW: The notification area icon now displays again in all display scale factors.Fixed a crash if a session is closed and the data connection receives a connection error at the same time.

FileZilla Server 1.5.1 () Bugfixes and minor changes:

Filezilla server setup limit file size