The beep when users connect plays a system beep on every connection. This option only works on some OS's.

Always do transfers in binary prevents CrushFTP from altering ascii text files line endings even if the FTP client request such.

The check for new versions allows CrushFTP to notify you when a new version has been found. A new version can either be downloaded from the check for update from the file menu or by going directly to my website.

Allow extended PASV/PORT as EPSV/EPRT is a compatibility thing. Some clients just can't handle if its enabled because of a network configuration.

Allow directory caching determines if CrushFTP will keep temporary caches of dir listings to reduce the CPU load on CrushFTP with very active servers.

Use 'ls -la' for dir listings will use the native OS command to get a dir listing for FTP so that Crush can report the true owner, group, and privs information.


Auto IP discovery is how often CrushFTP should scan to be sure your current external IP is still the same. If you want to specify your external IP address, you do so in the box in the IP Servers window.

Slow down hack attempts will incrementally slow down responses to clients that appear to be a robot scanning for writable directories on your server. This makes their scan take a lot longer, and helps make those robots less useful. It doesn't use any extra CPU load.

Disable referer cookie will disable crush forwarding a user who was deep linking into a specific directory after they have authenticated.

The default privs option lets you specify the default privs to be applied to new folders as you add them to users in the user manager. It can save you a couple clicks to enter the data here. If your unsure of what to put, open a users VFS.XML file to see an example of the permissions. (read)(write)(view)(delete)(resume)(rename)(makedir)(deletedir)

The date and time format is a Java format for how to log time stamps with each line. If you want to alter it, check out the formatting character by googling : java simpledateformat.

The default owner and group of settings files allows CrushFTP to change the owner and group of all settings files as it is writing them. So if you don't want the settings files all owned by root for some reason, you change these settings here.

CrushFTP is keeping backups every time you make a change and save a user in the User Manager. If for some reason you don't want so many kept, you can control the setting here.


ZIP Compression level is what CrushFTP will use when zipping files/folders on the fly. Did you know you can ask for any folder name plus add on ".zip" and crush will instead zip it and send it to you?

The reverse of this zip on the fly is .zipstream. Any file that is named with the extension .zipstream will be unzipped as its coming in, never writing the zip file to disk. This allows for seamless decompression on the fly with all protocols. The WebInterface provides simple buttons for handling all this zip functionality.

Another unique feature is ':filetree'. Downloading this special file in any directory will instead give you a text file of all files and subdirectories from that current location.

Disable MDTM modifications allows you to block FTP clients that upload a file, then set the modified date on the file.

Delete partial uploads will remove any files that don't make it to what appears not to be a complete successful upload.

You can disable clients from begin able to list subdirectories with the LIST command in FTP.


Delay between dir listings allows you to make a client pause before they can get another dir listing. Some clients may recursively list your entire FTP server repeatedly looking for changes making you use a lot of server CPU to do fulfill their requests. Here you can slow them down.

Allow re-use in email events allows you to have multiple email events that all include the same notifications on files. Rarely would you want this.

Remember invalid usernames will make crush block a robot testing for passwords. Some robots will scan your server very heavily using a lot of CPU while crush tries to verify on your LDAP server, or whatever if the user is valid. This option will block the username attempted for so many seconds after one failed login attempt before it bothers to even try again. If the username is valid in the CrushFTP user manager it will ignore this setting and allow them to keep trying new passwords.

Run events asynchronously allows you to have events "complete" even when say an email server is slow to process the outgoing message or a LaunchProcess event is slow to finish. Normally events 'consume' the file item they used, but you can allow re-use if you want it used by the same event at a later time in the user's session.

The server welcome message is how CrushFTP identifies itself to clients when they connect.

The WebDAV timezone offset lets you manually adjust times reported to WebDAV to fix some clients being off by so many hours.

You can force usernames into lowercase for special case file system scenarios.


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