FAQ

General Questions

• How do I backup and restore my user accounts and settings?
• How do I mass import user accounts?
• How do I setup SMTP to send Email notfications?
• Does Cerberus FTP Server support file retention policies?
• Why do I always get prompted by SSH SFTP clients to trust the server key?
• How do I switch the virtual directories for all of my users and groups to another drive or base folder?

See all 13 articles

Installation

• Can I transfer my existing license to a new machine?
• What operating systems are Cerberus FTP Server compatible with?
• Why am I getting a "Service failed to start" error when installing Cerberus FTP Server 9.0

Initial Setup

• 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?
• How To Create a Default Virtual Directory For a Native User
• 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?
• What is the difference between Active and Passive FTP mode?
• How do I configure LDAP authentication?

See all 7 articles

Security

• How to create and integrate a reCAPTCHA
• How do I provide robust support for Perfect Forward Secrecy with modern web browsers and FTPS clients?
• How do I protect Cerberus against the “Logjam” vulnerability?
• How do I protect Cerberus against the “POODLE” vulnerability?
• How do I protect Cerberus against the “Heartbleed” vulnerability?
• How do I disable the RC4 cipher and MD5 MAC algorithm?

See all 8 articles

Licensing

• Can I upgrade my license to a different edition?
• What happens when my software expires?
• What does a license include?
• How many licenses do I need if I want to install Cerberus FTP Server on more than one machine?
• What is the pricing model for licenses?
• Is Cerberus FTP Server a hosted service?

Purchases & Renewals

• I just purchased Cerberus FTP Server through the online store. Where is my license key?
• How can I get a quote for Cerberus FTP Server?
• How do I renew support on an existing license of Cerberus FTP Server?
• What happens if I don’t renew? Can I still use my license?
• Can I renew access to product updates and not the technical support?
• I didn't use technical support last year. Do I need to pay for service this year?

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Upgrading

• How do I update Cerberus FTP Server to the latest release?
• What happened to web administration when I upgraded to v9.0?

Two-factor authentication

• What is two-factor authentication?
• Setting up two-factor authentication
• Enabling Duo for 2FA
• How do I enable my account to use Duo?

SFTP Client Help

• Issues with file operations using Event Manager.

Registration

• I am using Cerberus FTP Server for personal use. Why does the "UNREGISTERED" text appear in the welcome message?
• Why doesn't my old license key work with the latest version of Cerberus FTP Server?

Troubleshooting

• I've correctly configured passive FTP but passive data connections still fail. What else could be wrong?
• I'm running Cerberus FTP Server as a service and it can't access mapped network drives or UNC paths. Why?
• Error: 521 Not logged in - Secure authentication required
• Unable to send email via Office365
• Why Do My Active Directory Users Have Two Home Directories?
• Why can’t Cerberus send email to external users when configured to use Exchange as an SMTP Server (How to anonymously Relay in Exchange Server)?

See all 24 articles

Multi-language Support for Web Client

• Where are the language files located?
• Do i need to restart the service for the language files to be used after updating?
• Why is there also a .CVS file which seems to have the same content as the .json file?
• I noticed there were files named xx.json and also xx-Xx.json. Can i just replace them both with the same content?