FAQ
Frequently asked questions for Cerberus FTP Server.
General Questions
- How do I backup and restore my user accounts and settings?
- What IP address should I give other people to connect to my FTP server over the Internet?
- How do I connect to an Cerberus server with FileZilla?
- What does the "Default" interface do?
- Can't upload folders using Web Client when using Internet Explorer
- How do I pass a username and password to the FTP server from a web browser?
Installation
Initial Setup
Connectivity
- 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?
- I've correctly configured passive FTP but passive data connections still fail. What else could be wrong?
- Not all of my server's IP addresses are being detected. Can I manually specify an IP Address?
- What is the difference between Active and Passive FTP mode?
- Why is SSH2 SFTP so much slower than FTP and FTPS?
- TLS/SSL FTP sessions are not working through my firewall.
User Management
- How do I limit my users' maximum upload filesize and simultaneous logins?
- What does this icon mean next to a user account in the legacy User Manager?
- How do I mass import user accounts?
- How To Create a Default Virtual Directory For Account Requests
- How can a client change their login password remotely?
- How do I switch the virtual directories for all of my users and groups to another drive or base folder?
Active Directory/LDAP
- Understanding Active Directory Authentication
- Why Do My Active Directory Users Have Two Home Directories?
- Active Directory users cannot delete files or folders created by Cerberus native users.
- How do I disable public sharing for the Global Home or Global Home\%USER% default mapping option for AD or LDAP authentication?
- How do I configure LDAP authentication?
- 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?
Security
- How do I remove the reply header from the SFTP connection?
- What is FIPS 140-2?
- Securely Storing User Passwords
- How to create and integrate a reCAPTCHA
- How can I enable Strict Transport Security (HSTS) ?
- If I update my SSL certificate will my host key change?
Event Manager
- How do I setup SMTP to send Email notifications?
- How do I Add a Scheduled Task to create a backup file of the server configuration
- Does Cerberus FTP Server support file retention policies?
- Unable to send email via Office365
- 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)?
- Issues with file operations using Event Manager.
Licensing
- Can I upgrade my license to a different edition?
- Can I transfer my existing license to a new machine?
- 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?
Purchases & Renewals
- I just purchased Cerberus FTP Server through the online store. Where is my license key?
- How do I get a quote for Cerberus FTP Server?
- How do I renew the service agreement on an existing Cerberus FTP Server license?
- What happens if I don’t renew my service agreement? 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?
Upgrading
- Why is the UI Sidebar menu not visible or working after upgrade to version 11
- Important changes to logging for users upgrading to Cerberus FTP Server Version 11
- Why are my users getting errors when resetting passwords or creating public shares after I upgraded to v11.0 or v10.0.17?
- What domains need to be allowed in order to download Cerberus updates, upgrades and patches using the Auto-Updater?
- 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
- (Active Directory) How do I require a user to use Two Factor Authentication?
- Disabling two-factor authentication for an Active Directory user
- Enabling Duo for 2FA
- How do I enable my account to use Duo?
SFTP Client Help
Registration
Troubleshooting
- Why am I unable to restart the Cerberus FTP service without rebooting the server?
- I'm running Cerberus FTP Server as a service and it can't access mapped network drives or UNC paths. Why?
- Security Token Check Failed: How do I resolve this error when using the user interface (UI)
- SSL Error when syncing to another Cerberus instance.
- Error: 521 Not logged in - Secure authentication required
- Why do I keep seeing the user "root" trying to login to my server?
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?