Cerberus FTP Server FAQ

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FAQ Contents

1. Introduction
   
   
2. Installation
   • What operating systems are Cerberus FTP Server compatible with?
   
   
3. Initial Setup
   • What are the basic steps to configure Cerberus FTP Server so Internet users can see my server?
   • Why can't I assign a directory to the root directory?
   • My IP address begins with 192.168.xxx.xxx. Is there anything special I have to do for people to see my FTP Server on the Internet?
   • What is the difference between Active and Passive FTP mode?
   • How do I configure LDAP authentication?
   
   
4. Registration
   • Why doesn't my old license key work with the latest version of Cerberus FTP Server?
   • I am using Cerberus FTP Server for personal use. Why does the "UNREGISTERED" text appear in the welcome message?
   
   
5. General Questions
   • Does Cerberus FTP Server support TLS/SSL encryption?
   • How do I pass a username and password to the FTP server from a web browser?
   • How do I configure Cerberus FTP Server to run as a service?
   • How can a client change their login password remotely?
   • What IP address should I give other people to connect to my FTP server over the Internet?
   • What does the "Default" interface do?
   • How do I backup and restore my user accounts and settings?
   
   
6. Troubleshooting
   • Why does issuing the LIST command result in an error message?
   • I'm running Cerberus FTP Server as a service and it can't access mapped network drives or UNC paths. Why?
   • I've correctly configured passive FTP but passive data connections still fail. What else could be wrong?
   • I cannot access the GUI when Cerberus FTP Server is running as a service.
   • TLS/SSL FTP sessions are not working through my firewall.
   • I cannot use a remote share as an NT home directory when authenticating a user against a domain.
   • Error message using an FTP client to download a large file from an FTP server.
   • How do I convert over the old 2.X user to the new 4.0 version?
   • Why are directory and file names incorrect when I view them through my FTP client?
   • Why am I being prompted for a Remote Access password after installing Cerberus FTP Server 4.0?
   • Why do I get an error when I try to enumerate Active Directory (AD) users through the User Manager's AD page, or why does AD authentication take so long?
   • Why is SSH2 SFTP so much slower than FTP and FTPS?
   • Why do I see "An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full." error mesasges in the log file?
   • Not all of my server's IP addresses are being detected. Can I manually specify an IP Address?

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We welcome bug reports, updates, reports about broken links, comments and outright disagreements. Please send your comments to support@cerberusftp.com. Please make sure that you are referring to the most recent version of the FAQ (maintained at /faq/); someone else might have caught the problem before you.

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