V.8 Cerberus, LLC Grant Averett [CERBERUS FTP SERVER 8.0] User manual for Cerberus FTP Server 8.0. It contains detailed steps and help on configuring Cerberus FTP Server. CONTENTS Introduction .............................................................................................................................................. 11 Description ........................................................................................................................................... 11 Guide .................................................................................................................................................... 11 Minimum System Requirements .............................................................................................................. 12 Hardware Requirements ...................................................................................................................... 12 Operating Systems ................................................................................................................................ 12 Cerberus FTP Server 5.0, 6.0, and 7.0 ............................................................................................... 12 Cerberus FTP Server 8.0 and higher ................................................................................................. 12 Installation ................................................................................................................................................ 13 Upgrading an Existing Installation ............................................................................................................. 19 Method 1: Using the Auto-updater ...................................................................................................... 19 Method 2: Manually downloading and running the latest Installer ..................................................... 20 Getting Started - Initial Setup Wizard ....................................................................................................... 21 The Wizard ........................................................................................................................................... 21 Step 1 - Licensing .............................................................................................................................. 21 Step 2 - Initial User Creation ............................................................................................................ 23 Step 3 - Network Setup .................................................................................................................... 25 Step 4 – Security ............................................................................................................................... 27 Getting Started - Network Setup .............................................................................................................. 29 Basic Setup so users can connect from the Internet............................................................................. 29 Step 1 - Control Connection ............................................................................................................. 29 Step 2 - Passive Mode ...................................................................................................................... 29 Step 3 - Firewall ................................................................................................................................ 29 How many types of FTP are there? ........................................................................................................... 30 Controlling what types of FTP are Allowed ........................................................................................... 30 Restricting FTP connections at the User level .................................................................................. 30 Restricting FTP connections at the Listener level ............................................................................. 31 SSH2 SFTP Setup ....................................................................................................................................... 32 About SSH SFTP Support in Cerberus FTP Server .................................................................................. 32 Supported SSH2 Key Exchange Methods .............................................................................................. 32 Supported SSH2 Ciphers ....................................................................................................................... 32 Supported SSH2 MAC Algorithms ......................................................................................................... 32 Adding an SSH2 SFTP Listener .............................................................................................................. 33 Allowing SSH2 SFTP Connections through a Firewall ............................................................................ 33 Enabling or Disabling Existing SFTP Listeners ....................................................................................... 33 Configuring the Server .............................................................................................................................. 35 Allowing External Access to your Server ............................................................................................... 35 Common Network Configurations ........................................................................................................ 36 Configuration 1: Your computer is connected directly to the Internet ............................................ 36 Configuration 2: Your computer is connected to a router, and the router is connected to the Internet ............................................................................................................................................ 36 The Summary View ................................................................................................................................... 38 Understanding the Summary View ....................................................................................................... 38 Common System Messages ............................................................................................................ 39 The User Manager .................................................................................................................................... 41 About Cerberus FTP Server Authentication .......................................................................................... 41 Adding a new user ................................................................................................................................ 42 Configuring a user for SSH Public Key Authentication .......................................................................... 44 The Virtual Directory System ................................................................................................................ 45 Simple Virtual Directory mode ......................................................................................................... 45 Standard Virtual Directory mode ..................................................................................................... 45 Variables that can appear in Virtual Directory Names and Paths ..................................................... 46 Adding a virtual directory to a user account ......................................................................................... 46 Virtual Directory Permissions ............................................................................................................... 48 Cerberus Group Accounts ......................................................................................................................... 49 About Groups ....................................................................................................................................... 49 Overriding Group settings for a User .................................................................................................... 50 Adding a new group.............................................................................................................................. 50 User Policy Settings ................................................................................................................................... 52 Authentication Order ........................................................................................................................... 52 Authentication Requirements .............................................................................................................. 52 Password Complexity Requirements .................................................................................................... 53 Password Change Policy ....................................................................................................................... 54 Password History .................................................................................................................................. 54 General Settings ........................................................................................................................................ 56 Configuring General Settings ................................................................................................................ 56 General ................................................................................................................................................