User Guide Contents CHAPTER 1 WS_FTP Server Overview What is Ipswitch WS_FTP Server? . 1 System requirements . 1 How FTP works . 2 How SSH works. 3 Sending feedback. 3 CHAPTER 2 Learning about WS_FTP Server Manager Understanding the server architecture . 5 Understanding the relationship between listeners and hosts. 6 Accessing the WS_FTP Server Manager . 7 Managing WS_FTP Server remotely . 7 Navigating the WS_FTP Server Manager . 8 Using the top menu . 9 CHAPTER 3 Configuring and Managing WS_FTP Server Setting global options . 13 Starting and stopping the server . 13 Changing the default host . 14 Changing the host separator. 15 Configuring DNS for hosts. 15 CHAPTER 4 Configuring Hosts About hosts. 17 Choosing host configuration. 18 Creating hosts . 18 Associating hosts with listeners . 19 Configuring an external user database. 20 Microsoft Windows user database. 21 Ipswitch IMail Server user database . 22 ODBC user database. 22 Synchronizing external user databases . 23 Using Windows file permissions . 24 Changing user context via user impersonation . 25 Changing user context on the services. 25 Microsoft Active Directory user database. 26 Setting host options . 27 i Setting folder listings to use local time . 27 Setting maximum number of connections. 28 Enabling anonymous access . 28 Controlling access by IP address. 29 Using firewalls with WS_FTP Server . 31 Enabling disabled users . 32 Using banner, welcome and exit messages . 32 Setting timeouts for connections. 34 Limiting connections to a host. 34 Deleting hosts. 35 Renaming hosts. 35 Managing hosts from the command line . 35 Configuring SITE commands . 37 Creating a SITE command . 37 Securing SITE commands . 39 CHAPTER 5 Configuring Listeners About listeners. 41 Configuring listeners for SSH. 42 Configuring listeners for SSL . 43 CHAPTER 6 Managing User Accounts How user accounts work. 45 Setting user options for hosts . 45 Changing user passwords. 48 Enabling disabled users from the command line. 48 Resetting a user's failed login count. 48 Understanding administrator privileges . 49 Granting administrative privileges . 50 Creating user accounts . 50 Setting users' home folders . 53 Renaming a user account . 53 Deleting user accounts . 53 Disabling user accounts . 54 Managing users from the command line. 54 CHAPTER 7 Managing User Groups How user groups work. 57 ii Creating user groups. 57 Adding users to user groups. 58 Adding Users to a User Group. 58 Deleting user groups. 58 CHAPTER 8 Managing Folders and Files Managing folders. 59 About virtual folders. 59 Creating, editing, and deleting virtual folders . 60 Understanding limitations of virtual folders. 61 Managing folder permissions. 62 Understanding folder permissions . 62 Using Windows permissions . 65 Checking file integrity. 65 CHAPTER 9 Using Rules and Notifications Rules overview. 67 About failed login rules . 68 Creating failed login rules . 68 About folder action rules . 69 Creating folder action rules . 69 About quota limit rules. 71 Creating quota limit rules. 71 About notifications . 72 Configuring the Notification Server. 73 About email notifications . 74 Creating email notifications . 74 About pager notifications. 75 Creating a pager notification . 76 About SMS notifications. 76 Creating SMS notifications. 77 Using notification variables . 77 CHAPTER 10 Using SSL What is SSL? . 79 Understanding SSL terminology. 80 SSL Terminology . 80 Choosing a type of SSL . 81 iii Configuring implicit SSL . 82 Common SSL configurations. 83 Selecting an SSL certificate . 83 Importing an SSL certificate . 84 Creating an SSL certificate . 84 Disabling SSL . 86 Requiring SSL for specific folders. 86 Requesting client certificates . 87 Signing SSL certificates . 87 CHAPTER 11 Using SSH What is SSH? . 89 How does SSH work? . 89 Understanding SSH terminology . 90 Selecting methods of authentication. 90 Selecting an SSH host key. 90 Creating an SSH host key. 91 Selecting an SSH user key. 91 Importing an SSH user key. 92 Creating an SSH user key. 92 Specifying MACs and ciphers . 93 CHAPTER 12 Managing Connections in Real-time Monitoring active sessions. 95 Terminating an active session. 96 Viewing server statistics . 96 CHAPTER 13 Maintaining the Server Backing up WS_FTP Server. 97 Restoring WS_FTP Server from backup . 98 Maintaining the WS_FTP Server data store. 100 APPENDIX A RFC 959 Highlights Overview of RFC 959. 101 FTP commands . 102 FTP replies.