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Applet doesn't start, I see a gray box, or a blank screen.
1) Do you have an old browser? Try downloading the latest version of Netscape or Internet Explorer.
For Netscape users
Did you grant all of the permissions the Applet asked for? If not, start it up again and grant all the permissions.
For Internet Explorer (IE) users running Windows
Microsoft no longer ships Java with Windows or Internet Explorer. Please install the the Java plugin, which can be found at http://java.sun.com/getjava.
For users running Mac OS.
See below...
For users running UnlimitedFTP in Netscape on Linux
Set the window manager to KDE and try to load the applet again.
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Applet starts but I get errors when trying to connect/login
Make sure the IP address or Host name you specified are entered correctly.
Make sure the Port number you entered is specified correctly.
Make sure you entered your username and password correctly
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I login to the FTP server but I can not navigate through the remote directory structure. "Error" Appears in the current remote directory text field.
If you are connecting to an FTP server that is not compatible with UNIX type L8 server, You have to manually specify the remote directory by typing it. You will not be able to navigate the remote file structure.
Make sure that the FTP server that you are using is of a UNIX Favor (L8 type) All FTP servers running on Windows 2000 will also work fine.
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I can connect to a remote server, but the client seems to hang.
There are a few possibilities here.
- The server you are attempting to connect to may not be fully supported by the applet. It is very rare that this is the problem. If you run across a server that doesn't work, please let us know about it.
- If you are behind a firewall or NAT, make sure that the Passive switch is turned on.
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Can I use UnlimitedFTP on my Macintosh?
Yes you can, Unlimited FTP applet has been designed to work on all Macintosh computers. Please follow these instructions: Mac OS X users will require version 10.1 or higher. There is no need to install any additional software. Classic Mac users need to have the MRJ (Macintosh Runtime for Java) installed. If you do not, you can download it from http://developer.apple.com/Java/download.html
- Internet Explorer users: You will have to use Internet Explorer 4.0 or higher to run the applet. We recommend IE 5.0 or later. You will also have to enable (MRJ) in IE preferences.
- Netscape Users: If you are using Netscape 4.76 or earlier, you will need the MRJ Plugin for Netscape. Visit http://www.mozilla.org/oji/MRJPlugin.html to learn how to download, install and configure the MRJ Plugin for Netscape.
MacBinary Support
UnlimitedFTP can automatically convert all Mac files into a MacBinary format. MacBinary format is Internet friendly and allows all Mac files to be transferred to other platforms without any problems.
This feature would not be possible without the source code written by Gregory Guerin. The source code for MacBinary can be found at http://www.amug.org/~glguerin/sw/index.html#macbinary
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When I try to view a remote file, it doesn't display properly
UnlimitedFTP attempts to open files with it's associated program. If it doesn't open properly, the file you are trying to view doesn't have a file association. Mac and UNIX systems only attempt to view text files.
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I get an error "permission denied" when trying to view, get, or put a file.
- You may not have permission to read, or write files in the directory to are trying to access. Contact the System Admin for the server you are connecting to.
- Click on DirInfo Button and verify file or directory permissions.
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The applet hangs when I stay connected for a while and don't send any files
This problem was resolved in UnlimitedFTP 2.5.2. Please download the latest version now.
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What platforms are supported by the UnlimitedFTP Client?
UnlimitedFTP was tested on all types of Windows, Linux, AIX and Solaris platforms. UnlimitedFTP will also work on Macintosh.
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Can I use UnlimitedFTP with an FTP Proxy?
UnlimitedFTP will work with any existing FTP proxy as long as the Proxy server supports the following login syntax: username@hostname.com
Here is how to configure UnlimitedFTP:
- make sure that the Passive switch is turned off
- In the host field specify the IP address of your proxy server.
- In username field specify: username@YOURFTPHOST.COM
- In Password field specify your regular password to that FTP server.
We tested UnlimitedFTP with the following FTP proxy servers:
AnalogX
SpoonProxy
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To what degree is UnlimitedFTP "customizable"?
UnlimitedFTP has over 60 customizable parameters. Using UnlimitedFTPs parameters, you can create fully customized, simple to use, file transfer site for your users. Please review the documentation.
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How do I get rid of the ad banner?
The ad banner is removed in the licensed version of the software. Please click here for licensing information.
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Is UnlimitedFTP available in languages other than English?
UnlimitedFTP allows you to customize the language of the text on the interface. To do this, edit the contents of "lang_en.txt" which is included in the download archive. Save the file with an appropriate language code. Example for French might be "lang_fr.txt". Then set the "language" parameter to "fr" or whatever you chose as a language code. This can be done in the javascript config file. See the documentation for more details.
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Do you provide source code?
No we don't license the source code.
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If I purchase a license, can I sign the applet with my own certificate?
Yes. We will provide you with obfusicated class files that you can sign with your own certificate. If you require assistance with the actual signing process, or you need to purchase a certificate, additional charges will apply. Also please note that this is a custom version of UnlimitedFTP, and thus if you want any features of newer versions that are released, it will cost extra to have them added to your custom version. If you want more information of this, please email us.
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Resuming transfers does not work on Microsoft IIS FTP server, why not?
This is not a bug with UnlimitedFTP, or with IIS. This is actually a security feature implemented by Microsoft. Here are things you should know about IIS FTP server.
- IIS5 does support resuming a broken download. Previous versions of the FTP service did not support resuming a broken download.
- Downloading files larger than 4 gigabytes do not support resume.
- Uploading files to IIS FTP server do not support resume.
Microsoft discusses this briefly in the following document.
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Is there a personal license?
No. We are not trying to compete with the more established standalone FTP clients. Instead we are targeting companies who require a customized FTP solution on a web page for a broad base of users. As long as you use UnlimitedFTP for noncommercial purposes it is free to use as long as you want. However, you will always have the ad banner on the top of the interface. It is a way for us to spread the word about UnlimitedFTP. Due to overwhelming response from personal users, we have also created Unlimited FTP On-Line. If takes the applet and combines it with a database to give you all the features of standalone FTP clients, but running in a web page which means that you can access from anywhere. Click here to check it out.
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How large is a full install of UnlimitedFTP on my web server?
UnlimitedFTP leaves a very small footprint on your server. The total size is about 350K. The reason it is so small is because the archive files are only Java byte codes, and are executed in the clients JVM in their web browser. In fact the user on actually downloads the archive file that s right for their browser, so it is a download of about 70K for them.
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Is there a trial period, how long is it free for?
There is no limit on the trial period. Personal users may use it for as long as they wish. Commercial users must license the software when they move it to a production environment, or they will be in breach of the license agreement they downloaded with the software and can be prosecuted.
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How can I set up the UnlimitedFTP parameters dynamically?
We are now distributing a javascript file to aid in setting up UnlimitedFTP on your web server. However, if you want to dynamically set the parameters of UnlimitedFTP, the easiest way to do it is to first cut and paste the contents of uftpscript.js directly into your HTML. Now, depending on your server side technology, ASP, JSP, PHP, etc... you need only replace the javascript variables with scriptlets. Here is an example with JSP: ...
<%
String username = "anonymous";
String password = "uftp@nlimitedftp.com";
String hostname = "ftp.sun.com";
String port = "21";
%>
<script> // Connection related values
var server = "<%= hostname %>";
var port = "<%= port %>";
var pass = "<%= password %>";
var user = "<%= username %>";
...
</script>
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What kind of support do you offer for your products?
We are happy to entertain any questions (via email) you may have about using UnlimitedFTP regardless of whether you have a license or not. Of course priority goes to those with a license. You can also visit our support forums.
In addition to email support, those with a license will receive priority bug fixes, upgrades, and phone support.
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Does UnlimitedFTP have Drag and Drop support?
Yes, but it only works with browsers that have the latest Java Plugin (ver 1.2 or higher) installed. Those browsers will see a signed Java 2 applet. We estimate the percentage of browsers using Sun's Java Plugin to be about 20% today (Aug 2003). On browsers that are not running the Java Plugin the drag and drop will not work.
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Does UnlimitedFTP use a server program or script as a middle man when transferring files?
No. UnlimitedFTP functions exactly the same as any other FTP client and connects directly to the server.
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Is UFTP compatible with the AOL browser?
Yes. UFTP was tested with AOL client 8.0
NOTE: In order to run UFTP in AOL, Parental Controls have to be set to Adult (18+) or Mature Teen (16-17).
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Is UFTP compatible with Windows XP SP2?
Yes. UFTP and all our other products were tested and are certified on Windows XP SP2.
NOTE: In order to run UnlimitedFTP problem free, you must connect with Passive option enabled. When Passive option is disabled, XP's built-in firewall will display a security warning that Internet Explorer is blocked. User will have to click on "Unblock" button to allow FTP communication. All other communication including SFTP, FTPS and FtpServlet are not affected by Service Pack 2. The following image shows the warning window that will appear:
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- Can run from any web page using Netscape Navigator 4.5 or Internet Explorer 5 or later versions.
- Runs on many OSs including Windows, Linux, Mac, and many UNIX OSs.
- Connection to any FTP site.
- Remote Directory browsing through a Windows-like interface.
- The ability to transfer multiple files and/or directories and directory tree structures.
- Cross platform data transfers (ex. UNIX, Windows, Mac) with automatic conversion.
- Smart file viewing in Windows. Files with certain file extensions automatically open in the default application.
- File transfers through firewalls.
- UnlimitedFTP will work with any existing FTP proxy using the 'username@hostname.com' syntax.
- CHMOD is supported through the SITE interface.
- The ability to delete non-empty folders on FTP sites (if authorized).
- Automatic file type detection for ASCII or BIN transfer mode.
- File filtering allows you to configure UnlimitedFTP to view and transfer only files with specific extensions.
- Ability to limit browsing to initial directory and it's sub-directories.
- Incremental transfers
- Directory synchronization (with customizable file priority)
- Auto-upload/Auto-download capabilities.
- Redirect to a webpage when transfer is complete.
- Progress dialog with cancel button.
- Configurable display options.
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