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SEH myUTN utnserver Pro User Manual

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  • Page 1 myUTN USB Deviceserver User Manual macOS utnserver Pro, utnserver ProMAX...
  • Page 2 SEH Computertechnik GmbH has endeavored to ensure that the information in this documentation is correct. If you detect any inaccuracies please inform us at the address indicated above. SEH Computertechnik GmbH will not accept any liability for any error or omission. The information in this manual is subject to change without notifi- cation.

  • Page 3: Table Of Contents

    How to Find Status Information on USB Ports and USB Devices................29 How to Use the Selection List and Manage User Access Rights with It..............30 How to Use the SEH UTN Manager without Graphical User Interface (utnm)............33 4 Network Settings ................... 38 How to Configure IPv4 Parameters ............................
  • Page 4 How to Encrypt the USB Connection........................... 79 6.10 How to Control Access to USB Devices..........................81 6.11 How to hide protected USB devices in the SEH UTN Manager selection list? ............84 6.12 How to Block USB Device Types............................85 6.13 How to Disable a USB Port...............................

  • Page 5: General Information

    USB Deviceserver User Manual macOS General Information 1 General Information • Product  2 • Documentation  3 • Support and Service  5 • Your Safety  6 • First Steps  7...

  • Page 6: Product

     3. 1. macOS 11.x (Big Sur) only limited USB device support. 2. Installer supports only „complete version“. More details can be found in chapter ’Administration via the SEH UTN Manager’  11. 3. A successful installation cannot be guaranteed due to the variety of Linux systems! The installation must be car-...

  • Page 7: Documentation

    USB Deviceserver User Manual macOS General Information Documentation Please load all current documents from our Website: https://www.seh-technology.com/de/service/downloads.html Further applicable documents The USB Deviceserver documentation consists of the following documents: Quick Installation Guide Print, PDF Information on safety, technical data, declarations of con- formity and description of the hardware installation and initial setup.
  • Page 8 USB Deviceserver User Manual macOS General Information Symbols and Legend A variety of symbols and mark-ups are used within this document. WARNING A warning contains important information that must be heeded. Non- Warning observance may lead to malfunctions. Important: Important information These notes contain crucial information for failure-free operation. ...

  • Page 9: Support And Service

    USB Deviceserver User Manual macOS General Information Support and Service SEH Computertechnik GmbH offers extensive Support. If you have any questions, please contact us. Monday through Thursday 8:00 a.m. to 4:45 p.m. Friday 8:00 a.m. to 15:15 p.m. +49 (0)521 94226-44 support@seh.de...

  • Page 10: Your Safety

    Warning! Liability and Guarantee SEH Computertechnik GmbH will not accept any liability for personal injuries, property damages and consequen- tial damages resulting from the non-observance of the mentioned safety regulations and warnings. Non-obser- vance will also result in any guarantee claims becoming void.

  • Page 11: First Steps

    5. Use the SEH UTN Manager to establish and manage connections to the USB devices which are connected to the UTN server   ’Working with the SEH UTN Manager’  19.

  • Page 12: Administration Methods

    You can administer, configure and maintain the UTN server in a number of ways: • Administration using the utnserver Control Center  9 • Administration via the SEH UTN Manager  11 • Administration via the SEH Product Manager  14...

  • Page 13: Administration Using The Utnserver Control Center

     Your browser opens and the utnserver Control Center is displayed. Opening utnserver Control Center from SEH Product Manager The utnserver Control Center is displayed directly in the SEH Product Manager. You can also open it separately in the browser.
  • Page 14 Control Center. Review the certificate personally and add an exception rule for the certificate, if necessary. Detailed information can be   found in the 'SEH Product Manager Online Help'. Controls Figure 2.1-1: utnserver Control Center Product &...

  • Page 15: Administration Via The Seh Utn Manager

    Features The software is installed on all clients that are meant to access a USB device in the network. After the SEH UTN Manager is started, the network is scanned for connected UTN servers. All UTN servers found and their connected USB devices are displayed in the 'network list' .
  • Page 16 Detailed information on how to use the SEH UTN Manager can be found in the 'SEH UTN Manager Online Help' . To start the online help, go to the SEH UTN Manager menu bar and select Help – Online Help. Important: Some SEH UTN Manager features might not be displayed or are displayed as inac- tive.
  • Page 17 Administration Methods Installation In order to use the SEH UTN Manager, the program must be installed on a computer with a macOS operating sys- tem. The SEH UTN Manager installation file can be found on the SEH Computertechnik GmbH website: https://www.seh-technology.com/services/downloads.html...

  • Page 18: Administration Via The Seh Product Manager

    All found devices are displayed in the 'device list' . You can select and then administer and manage the devices in the device list. If a task can be performed using the SEH Product Manager, this will be described in the corresponding chapter. Important: The SEH UTN Manager can be used in IPv4 and IPv6 environments.
  • Page 19 Detailed information on how to use the SEH Product Manager can be found in the 'SEH Product Manager Online Help' . To start the online help system, go to the SEH Product Manager menu bar and select Help – Online Help.
  • Page 20 The program automatically searches for SEH Computertechnik devices on the network after starting. For more in-   formation see the 'SEH Product Manager Online Help' . Update You can check for program updates manually and automatically. More information can be found in the  'SEH Product Manager Online Help' .

  • Page 21: Administration Via Email

    USB Deviceserver User Manual macOS Administration Methods Administration via Email You can administrate the UTN server via email and thus from any computer Internet access (remote access): • Get UTN server status • Set UTN server parameters • UTN server update To do so, you write commands into the email message header table 2.4-1 17.
  • Page 22 USB Deviceserver User Manual macOS Administration Methods Examples You want to get the UTN server parameter list: UTNserver@company.com Subject: cmd: get parameters You want to set the 'configuration' parameter: UTNserver@company.com Subject: cmd: set parameters Email message body: TAN = nUn47ir79Ajs7QKE sys_descr = <your description>...

  • Page 23: Working With The Seh Utn Manager

    3 Working with the SEH UTN Manager The 'SEH UTN Manager' is a software tool developed by SEH Computertechnik GmbH. The SEH UTN Manager is used to establish and manage connections to the USB devices connected to the UTN servers.

  • Page 24: How To Find Utn Servers/Usb Devices In The Network

    UTN servers. After the SEH UTN Manager is started, the network has to be scanned for connected UTN servers. The network range to be scanned is freely definable; the search can be effected via multicast and/or in definable IP ranges. The default setting is multicast search in the local network segment.
  • Page 25 SEH UTN Manager – Edit Selection List Adding a UTN Server via IP Address  The SEH UTN Manager (complete version) is installed on the client  11.  You know the IP address of the UTN server. 1. Start the SEH UTN Manager.

  • Page 26: How To Establish A Connection To A Usb Device

    Pro utnserver ProMAX  The SEH UTN Manager (complete version) is installed on the client  11.  The USB port is shown in the selection list  20.  All provisions (driver installation, etc.) necessary to operate the USB device locally (i.e. connected directly to the client) have been met on the client.

  • Page 27: How To End The Connection Between The Usb Device And The Client

    UTN server to which the USB device is connected. • Usually the connection is cut by the user via the SEH UTN Manager  23. • The administrator can also end the connection from the utnserver Control Center  23.

  • Page 28: How To Request An Occupied Usb Device

     The SEH UTN Manager (complete version) is installed on the client  11.  The SEH UTN Manager (complete version) is installed on the client of the user who uses the USB device  11.  The SEH UTN Manager (complete version) is executed with graphical user interface on both clients.

  • Page 29: How To Automate Usb Device Connections And Program Starts

    • Automatic Connection between a USB Device and Client When a Print Job Is Received (Print-On-Demand)  26 • Creating a UTN Action: Automated Connections and Program Starts without the SEH UTN Manager Interface  26 This chapter describes features of the SEH UTN Manager with which automatisms are set up.
  • Page 30 USB devices. The process defined in the script runs automatically when the file is executed. Since the 'SEH UTN Service' is active in the background, the user does not have to start the SEH UTN Manager interface. I.e., UTN Ac-...
  • Page 31 You can create the UTN action with a wizard. The wizard is only available in the complete version ( 11) of the SEH UTN Manager. You can create the following UTN Actions: •...
  • Page 32 USB Deviceserver User Manual macOS Working with the SEH UTN Manager Apps can be moved to any place and renamed after they have been saved. (Experts only) Custom UTN Actions which activate or deactivate USB devices can be edited after their creation. To do this, edit the script within the app (path:...

  • Page 33: How To Find Status Information On Usb Ports And Usb Devices

    You can use automatic messages to be notified when a USB port becomes available or to receive informa- tion about the connection duration. • Message about the Duration of a Connection  29Displaying Status InformationThe SEH UTN Manager (complete version) is installed on the client  11.  29 •...

  • Page 34: How To Use The Selection List And Manage User Access Rights With It

    UTN servers and the connected USB devices. By default, all client users use the global selection list in the SEH UTN Manager. However, you can set a user selec- tion list for the client users. This list can be compiled by the users themselves. Alternatively, you as client admin- istrator restrict user rights and provide a list with which only the UTN servers you define can be used.
  • Page 35 USB Deviceserver User Manual macOS Working with the SEH UTN Manager Which functions (selection list editing etc.) can be used in the SEH UTN Manager de- pends on the selection list type (global/user) and user account type on the client (ad- ministrator/user;...
  • Page 36 To do so, you as administrator store a predefined list for the user ( 31) and limit the user to read-only access to the 'SEH UTN Manager.ini'-file. By limiting the user to read-only access, all SEH UTN Manager functions concerning the selection list are disabled for the user.

  • Page 37: How To Use The Seh Utn Manager Without Graphical User Interface (Utnm)

    (utnm) The SEH UTN Manager is available in two versions  11. It can be used without graphical user interface in the minimal version. To do so, the tool 'utnm' is utilized to use UTN features via the terminal of the operating system: •...
  • Page 38 USB Deviceserver User Manual macOS Working with the SEH UTN Manager Command Description -c "command string" Runs a command. The command is specified in greater detail by the com- mand string. Command strings: • activate server port number activates the connection to a USB port and the connected USB device.
  • Page 39 USB Deviceserver User Manual macOS Working with the SEH UTN Manager Command Description • state server port number displays the status of the USB device connected to the USB port. • getlist server shows an overview of the USB devices connected to the UTN server (including port number, vendor ID, product ID, vendor name, product name, device class, and status).
  • Page 40 This feature is not supported. Error (with error code). Using utnm via Terminal  The SEH UTN Manager is installed on the client  11.  The IP address or host name of a UTN server is known. 1. Open a Terminal.
  • Page 41 Working with the SEH UTN Manager Creating a utnm Script  The SEH UTN Manager is installed on the client  11.  The IP address or host name of a UTN server is known.  You know how to create and use scripts in your operating system. If needed, refer to the documentation of your operating system.

  • Page 42: Network Settings

    USB Deviceserver User Manual macOS Network Settings 4 Network Settings To optimally embed your UTN server into your network, you can configure the following settings: • How to Configure IPv4 Parameters  39 • How to Configure IPv6 Parameters  42 •...

  • Page 43: How To Configure Ipv4 Parameters

    If the UTN server is connected to an IPv6 network, it will automatically receive an additional IPv6 address  42. The IPv4 address assigned to the UTN server can be found via the SEH UTN Manager and SEH Product Manager  ...
  • Page 44 5. Click OK.  The settings will be saved. Determining the IPv4 Address using the SEH UTN Manager and Assigning an IPv4 Network Configuration The SEH UTN Manager searches the network for connected UTN servers.  The SEH UTN Manager (complete version) is installed on the client  11.
  • Page 45 USB Deviceserver User Manual macOS Network Settings Determining the IPv4 Address using the SEH Product Manager  The SEH Product Manager is installed on the client  14. 1. Start the SEH Product Manager. The device list is displayed. 2. Search for the UTN server in the device list. It can be identified by its product type and MAC address (which can be found on the device type plate).

  • Page 46: How To Configure Ipv6 Parameters

    USB Deviceserver User Manual macOS Network Settings How to Configure IPv6 Parameters IPv6 (Internet Protocol Version 6) is the successor of the still predominantly used IPv4 (Internet Protocol Version 4). IPv6 offers the same basic functions but has many advantages such as the increased address space of 2 (IPv6) instead of 2 (IPv4) IP addresses and auto configuration.

  • Page 47: How To Use The Utn Server In Vlan Environments

    USB Deviceserver User Manual macOS Network Settings How to Use the UTN Server in VLAN Environments The UTN server supports VLAN (Virtual Local Area Network) according to 802.1Q. A VLAN divides a physical network into logical subnetworks. Each subnetwork is its own broadcast domain, so data packets cannot be exchanged between subnetworks.
  • Page 48 USB Deviceserver User Manual macOS Network Settings Define a IP Client VLAN 1. Start the utnserver Control Center. 2. Select NETWORK – IP VLAN. 3. Configure the IP VLAN parameters; table 4.3-2 44. 4. To confirm, click Save.  The settings will be saved. Table 4.3-2: IP client VLAN parameters Parameters Description...

  • Page 49: How To Configure The Dns

    USB Deviceserver User Manual macOS Network Settings How to Configure the DNS The DNS - Domain Name Service is responsible for resolving IP addresses and domain name addresses in a net- work. The UTN server dynamically configures the DNS using the protocol DHCP (Dynamic Host Configuration Pro- ...

  • Page 50: How To Configure Email (Pop3 And Smtp)

    USB Deviceserver User Manual macOS Network Settings How to Configure Email (POP3 and SMTP) The UTN server uses email for a range of functions: • The UTN server can be administered using email  17. The notification service will send you status and error messages over email  57.To use these features, the 'POP3' and 'SMTP' email protocols must be configured on the UTN server.
  • Page 51 USB Deviceserver User Manual macOS Network Settings Configuring SMTP  An email user account for the UTN server is set up on an SMTP server. 1. Start the utnserver Control Center. 2. Select NETWORK – Email. 3. Configure the SMTP parameters; table 4.5-2 47. 4.

  • Page 52: How To Configure Bonjour

    USB Deviceserver User Manual macOS Network Settings How to Configure Bonjour Bonjour is a technology which automatically detects devices and services in TCP/IP networks. The UTN server uses Bonjour to • verify IP addresses • announce and find network services •...

  • Page 53: How To Configure Server Services (Utnserver Promax Only)

    USB Deviceserver User Manual macOS Network Settings How to Configure Server Services (utnserver ProMAX only) Some features of the UTN server are based on services running on external servers: • Monitoring ( 59): Export the collected values to a WebDAV and/or syslog-ng server. •...
  • Page 54 USB Deviceserver User Manual macOS Network Settings 4. Configure the syslog-ng parameters; table 4.7-2 50.  To confirm, click Save. Table 4.7-2: syslog-ng parameters Parameters Description Server address Defines a syslog-ng server by its IP address or host name. A host name can only be used if a DNS server ( 39) was configured before- hand.

  • Page 55: Device Settings

    USB Deviceserver User Manual macOS Device Settings 5 Device Settings • How to Assign a Description  52 • How to Configure the Device Time  53 • How to Configure the (Encrypted) UTN Port  55 • How to Get Messages  57 •...

  • Page 56: How To Assign A Description

    Device name as alternative to IP address. With a name you can identify the UTN server more easily in the network, e.g. if you are using several UTN servers. Is displayed in the utnserver Control Center, in the SEH UTN Manager and SEH Product Manager.

  • Page 57: How To Configure The Device Time

    USB Deviceserver User Manual macOS Device Settings How to Configure the Device Time The UTN server has a device time. Correct time information is required for some network mechanisms, such as au- thentication for example. Device monitoring ( 59) also uses the device time as the timestamp. The UTN server has a built-in hardware clock.
  • Page 58 USB Deviceserver User Manual macOS Device Settings Device time configuration via time server  The network has a time server. 1. Start the utnserver Control Center. 2. Select DEVICE – Date/Time. 3. Tick the Time Server option. 4. Enter the IP address or the host name of the time server in the Server Address field. 39 (The host name can only be used if a DNS server was configured beforehand ...

  • Page 59: How To Configure The (Encrypted) Utn Port

    You can change the port number, e.g. if the port number is already used for another application in your network. The change is made on the UTN server and is relayed to the SEH UTN Manager installed on the clients via SNMPv1.

  • Page 60: How To Write A Description For A Usb Port

    4. Type the information in the Description field (maximum length 128byte = 128 ASCII characters). With the input <br> you create a line break. 5. To confirm, click Save.  Your entry will be saved as a description of the USB port and displayed in the SEH UTN manager.

  • Page 61: How To Get Messages

    USB Deviceserver User Manual macOS Device Settings How to Get Messages The UTN server can send you different messages: • Status email: Periodically sent email containing the status of the UTN server and of the connected USB devic- • Event notification via email or SNMP trap: - System information (restart, network connections, power supply, temperature warnings, etc.) - USB port and USB device information (enabling or disabling a USB port, connecting or disconnecting a USB device, etc.)
  • Page 62 USB Deviceserver User Manual macOS Device Settings Customizing the email subject You can specify the content of the email subject line with a–z, A–Z, 0–9 and using variables: %P = product type %p = model %N = default name %H = host name %I = IP address %M = MAC address %E = event...

  • Page 63: How To Monitor The Utn Server (Utnserver Promax Only)

    USB Deviceserver User Manual macOS Device Settings How to Monitor the UTN Server (utnserver ProMAX only) The UTN server has a monitoring function (logging) that collects various values: • Error (e.g. missing certificates) • System status (e.g. restarts) • Parameter Changes •...
  • Page 64 USB Deviceserver User Manual macOS Device Settings Deleting the Monitoring Log 1. Start the utnserver Control Center. 2. Select DEVICE – Monitoring. 3. In the Monitoring area, click the Delete button. 4. Confirm the security query by clicking OK.  The monitoring log is deleted. Viewing the Monitoring Log 1.
  • Page 65 USB Deviceserver User Manual macOS Device Settings 4. Optional: If you want to save the monitoring logs for a single day to subfolders, enable the Create individual directories for days option. Important: The FIFO principle (first-in, first-out) is applied after one year. For example, 1 Janu- ary of last year will overwritten with files from 1 January of the current year.
  • Page 66 USB Deviceserver User Manual macOS Device Settings Exporting Monitoring Logs Daily via Email  SMTP is configured on the UTN server  46.  Monitoring is enabled  59. 1. Start the utnserver Control Center. 2. Select DEVICE – Monitoring. 3.

  • Page 67: Security

    • How to Encrypt the USB Connection  79 • How to Control Access to USB Devices  81 • How to hide protected USB devices in the SEH UTN Manager selection list?  84 • How to Block USB Device Types  85 •...

  • Page 68: How To Define The Encryption Strength For Ssl/Tls Connections

    USB Deviceserver User Manual macOS Security How to Define the Encryption Strength for SSL/TLS Connections Some connections to and from the UTN server can be encrypted with the protocol SSL (Secure Sockets Layer) and its successor TLS (Transport Layer Security): •...
  • Page 69 Control Center ( 66), a connection cannot be established. Use an encryption level as high as possible. WARNING The SEH UTN Manager does not support the encryption level Low. If you set up Low in combination with an encrypted USB connection ( 79), a connection cannot be established.

  • Page 70: How To Encrypt The Connection To The Utnserver Control Center

    USB Deviceserver User Manual macOS Security How to Encrypt the Connection to the utnserver Control Center You can protect the connection to the utnserver Control Centerby encrypting it with the SSL (Secure Sockets Lay- er) protocol and its successor TLS (Transport Layer Security). •...

  • Page 71: How To Protect Access To The Utnserver Control Center(User Accounts)

    USB Deviceserver User Manual macOS Security How to Protect Access to the utnserver Control Center (User Accounts) By default, anyone who can find the UTN server on the network can access the utnserver Control Center. To pro- tect the UTN from unwanted configuration changes, you can set up two user accounts: •...

  • Page 72: How To Configure Snmp

    USB Deviceserver User Manual macOS Security How to Configure SNMP SNMP (Simple Network Management Protocol) is protocol for configuring and monitoring network elements. The protocol controls communication between the monitored devices and the monitoring station (SNMP manage- ment tool). Information can be read and changed. SNMP exists in 3 versions, the UTN supports version 1 and 2.

  • Page 73: How To Block Utn Server Ports (Tcp Port Access Control)

    USB Deviceserver User Manual macOS Security How to Block UTN Server Ports (TCP Port Access Control) You can restrict access to the UTN server by blocking ports using 'TCP port access control' . If a port is blocked, the protocols and/or services using this port cannot establish a connection with the UTN server. Thus attackers have less room for attack.

  • Page 74: How To Use Certificates

    (PKIs) are supported. Important: Upon delivery, a default certificate is stored in the UTN server. This certificate is issued by SEH Computertechnik GmbH for each device specifically. • Having a Look at Certificates  71 • Saving a Certificate Locally  71 •...
  • Page 75 USB Deviceserver User Manual macOS Security Having a Look at Certificates  A certificate is installed on the UTN server. 1. Start the utnserver Control Center. 2. Select SECURITY – Certificates. 3. Select the certificate via the icon  The certificate is displayed. Saving a Certificate Locally ...
  • Page 76 USB Deviceserver User Manual macOS Security Parameters Description Domain component Allows you to enter additional attributes. (Optional entry) SAN (multi-domain) Allows you to enter Subject Alternative Names (SAN). Used to specify additional host names (e.g. domains). (Optional entry, max. 255 characters) Country Country where the company is based.
  • Page 77 USB Deviceserver User Manual macOS Security The certification authority creates the certificate and gives it to you. Important: The certificate must be in 'base64' format. 9. Click Requested certificate. 10. Enter the password into the Password box. 11. Click Install. ...
  • Page 78 USB Deviceserver User Manual macOS Security Deleting Certificates WARNING To establish an encrypted (HTTPS  66) connection to the utnserver Control Cen- ter, a certificate (self-signed/CA/PKCS#12) is required. If you delete the correspond- ing certificate, the utnserver Control Center can no longer be reached. In this case restart the UTN server ...

  • Page 79: How To Configure Network Authentication (Ieee 802.1X)

    USB Deviceserver User Manual macOS Security How to Configure Network Authentication (IEEE 802.1X) Authentication is the proof and verification of an identity. With it your network is protected from abuse, because only authorized devices have access. The UTN supports authentication according to the IEEE 802.1X standard which is based on EAP (Extensible Au- thentication Protocol).
  • Page 80 USB Deviceserver User Manual macOS Security Configuring EAP-TTLS In EAP-TTLS (Tunneled Transport Layer Security), a TLS-protected tunnel is used for exchanging secrets. The meth- od consists of two phases: 1. Outer authentication: An encrypted TLS (Transport Layer Security) tunnel is created between UTN server and RADIUS server.
  • Page 81 USB Deviceserver User Manual macOS Security Configuring EAP-FAST EAP-FAST (Flexible Authentication via Secure Tunneling) is a specific EAP method developed by the company Cis- As with EAP-TTLS ( 76) and PEAP ( 76) a secure tunnel protects data transmission. However, the server does not authenticate itself with a certificate.

  • Page 82: How To Assign A Name To A Usb Port

    How to Assign a Name to a USB Port By default, the names of the connected USB devices are displayed on the USB ports in the utnserver Control Cen- ter and SEH UTN Manager. These names are specified by the device manufacturers and might be ambiguous or inaccurate.

  • Page 83: How To Encrypt The Usb Connection

    The encryption strength is defined via the encryption protocol and level  64. WARNING The SEH UTN Manager does not support the encryption level Low. If you set up Low in combination with an encrypted USB connection, a connection cannot be established.
  • Page 84 USB Deviceserver User Manual macOS Security The encrypted connection will be displayed client-side in the SEH UTN Manager under Properties. Figure 6.9-2:SEH UTN Manager – encryption...

  • Page 85: How To Control Access To Usb Devices

    UTN Manager greyed out, i.e. the connection cannot be established. As soon as the key for the USB port is en- tered in the SEH UTN Manager, the USB port and the connected USB device appear and can be used.
  • Page 86 To gain access to the protected USB device, the key must be entered on the client in the SEH UTN Manager. Since the port key applies only to the user account currently in use on the client, you must enter it into each client user account that should have access to the USB device (user port key).
  • Page 87 USB Deviceserver User Manual macOS Security 6. Select a period from the Validity list and define the time window if necessary: - off (always invalid, use 'off' if you want to keep the key but temporarily disable it) - always (permanently valid) - expires on (valid until hour X on day Z) - weekly (valid on X days from hour Y to Z) 7.

  • Page 88: How To Hide Protected Usb Devices In The Seh Utn Manager Selection List

    SEH UTN Manager without being accessible. In addition, you can hide the protected USB devices so that they are not displayed in the selection list of the SEH UTN Manager. Proceed as follows: 1.

  • Page 89: How To Block Usb Device Types

    USB Deviceserver User Manual macOS Security 6.12 How to Block USB Device Types USB devices are grouped into classes according to their function. For example, input devices such as keyboards belong to the group 'Human Interface Device' (HID). USB devices may present themselves as HID class USB devices while they are actually used for abuse (known as 'BadUSB').

  • Page 90: How To Disable A Usb Port

    • unused USB ports to ensure that unwanted USB devices cannot be connected to the network. (Deactivated USB ports cannot be seen in the SEH UTN Manager.) • a USB port and re-activate it to restart the connected USB device if it is in an undefinable condition. (The USB device does not need to be removed and reconnected manually.)

  • Page 91: Maintenance

    USB Deviceserver User Manual macOS Maintenance 7 Maintenance You can maintain the UTN server in the following ways: • How to Backup Your Configuration  88 • How to Reset Parameters to their Default Values  91 • How to Perform a Device Software Update  92 •...

  • Page 92: How To Backup Your Configuration

    • Exporting the Parameter File via SEH Product Manager  88 • Loading the Parameter File utnserver Control Center onto a UTN Server  89 • Loading the Parameter File via SEH Product Manager onto a UTNServer  89 See Parameter Values 1.
  • Page 93 Only upload parameter files to multiple UTN servers at the same time if the settings are universal.  The SEH Product Manager is installed on the client  14.  The device is shown in the device list  14.
  • Page 94 USB Deviceserver User Manual macOS Maintenance Automatic WebDAV System Backup (utnserver ProMAX only) System backup to a WebDAV server stores the UTN server system in a directory on the WebDAV server. The system backup is automatically updated when you make changes to the system. To increase clarity on the WebDAV serv- er, you can automatically create individual directories for days.

  • Page 95: How To Reset Parameters To Their Default Values

    UTN server changes with the reset. If required, determine the new IP address  39. You can change the settings either via remote access (utnserver Control Center and SEH Product Manager) or us- ing the Reset button on the UTN server.

  • Page 96: How To Perform A Device Software Update

     The update is executed. Afterwards, the UTN server restarts. Update via SEH Product Manager You can use the SEH Product Manager to update one or more UTN servers.  The SEH Product Manager is installed on the client  14.

  • Page 97: How To Restart The Utn Server

     The UTN server restarts. Restarting the UTN Server from the SEH Product Manager You can use the SEH Product Manager to restart one or more UTN servers.  The SEH Product Manager is installed on the client  14.

  • Page 98: Appendix

    USB Deviceserver User Manual macOS Appendix 8 Appendix The appendix contains a glossary, the troubleshooting and the lists of this document. • Glossary  95 • Troubleshooting  97 • Parameter lists  99 • SEH UTN Manager – Feature Overview  124...

  • Page 99: Glossary

    MAC address 00:c0:eb:00:01:ff Manufacturer ID Device number You can read the MAC address on the type plate on the housing, in the SEH UTN Manager, or in the SEH Product Manager. SEH Product Manager The SEH Product Manager is a software tool developed by SEH Computertechnik GmbH for the administration and management of SEH Computertechnik GmbH devices.
  • Page 100 Appendix SEH UTN Manager The 'SEH UTN Manager' is a software tool developed by SEH Computertechnik GmbH . The SEH UTN Manager is used to establish and manage connections to the USB devices connected to the UTN servers. More information  11.

  • Page 101: Troubleshooting

    USB Deviceserver User Manual macOS Appendix Troubleshooting The SEH Computertechnik GmbH website contains our Knowledge Base articles that provide solutions and detailed background knowledge addressing specific problems and questions. https://www.seh-technology.com/services/knowledgebase.html Fault Cause Lost password and/or user — Reset the UTN server parameter values name for the user accounts.
  • Page 102 • Check if the USB device is connect- the SEH UTN Manager nected to the UTN server. • The SEH UTN Manager and the UTN • Update the SEH UTN Manager ( server firmware/software are in- 11) and the software ( 92).

  • Page 103: Parameter Lists

    USB Deviceserver User Manual macOS Appendix Parameter lists The UTN servers stores its configuration as parameters. You directly use parameters for: • Administration via email  17 • Configuration backup (viewing, editing and loading parameters onto other devices)  88 The following tables list all parameters and their values so that you can use them in the actions named above.
  • Page 104 USB Deviceserver User Manual macOS Appendix Table 8.3-1: Parameter list – IPv4 Parameters Value Default Description ip_addr valid IP address 169.254.0.0/ IP address of the UTN server. [IP address] ip_pfxlen valid IP address 255.255.0.0 The IP address and the prefix length defines the network mask of the UTN server.
  • Page 105 USB Deviceserver User Manual macOS Appendix Table 8.3-2: Parameter list – IPv6 Parameters Value Default Description ipv6 on/off Enables/disables the IPv6 functionality of the UTN server. [IPv6] ipv6_auto on/off Enables/disables the automatic assignment of the IPv6 address to the UTN server. [Automatic configura- tion] ipv6_addr...
  • Page 106 USB Deviceserver User Manual macOS Appendix Table 8.3-3: Parameter list – IP-VLAN Parameters Value Default Description iplan_mgmt on/off Enables/disables the forwarding of IP manage- ment VLAN data. [IP management VLAN] If this option is enabled, SNMP is only available in the IP management VLAN. ipvlan_mgmt_idx 0-4096 ID for the identification of the IP management...
  • Page 107 USB Deviceserver User Manual macOS Appendix Table 8.3-4: Parameter list – DNS Parameters Value Default Description on/off Enables/disables the name resolution via a DNS server. [DNS] dns_domain max. 255 characters [blank] Defines the IP address of the primary DNS server. [Domain name] [a–z, A–Z, 0–9] dns_primary...
  • Page 108 USB Deviceserver User Manual macOS Appendix Table 8.3-5: Parameter list – POP3 Parameters Value Default Description pop3 on/off Enables/disables the POP3 functionality. [POP3] pop3_srv max. 128 characters [blank] Defines the POP3 server via its IP address or host name. [Server address] A host name can only be used if a DNS server (...
  • Page 109 USB Deviceserver User Manual macOS Appendix Table 8.3-6: Parameter list – SMTP Parameters Value Default Description smtp_srv max. 128 characters [blank] Defines the SMTP server via its IP address or host name. [Server address] A host name can only be used if a DNS server ( 39) was configured beforehand.
  • Page 110 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description smtp_encrypt on/off Enables the encryption of emails. Only the intended recipient can open and read the [Encrypt] encrypted email. Table 8.3-7: Parameter list – Bonjour Parameters Value Default Description bonjour on/off Enables/disables Bonjour.
  • Page 111 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description syslogng_ssl on/off Enables/disables SSL/TLS encryption of commu- nication between the UTN server and syslog-ng [SSL/TLS] server. The encryption strength is defined via the encryption protocol and level  64.
  • Page 112 [Host name] [a–z, A–Z, 0–9] ily in the network, e.g. if you are using several UTN servers. Displayed in the utnserver Control Center, the SEH UTN Manager and the SEH Product Man- ager. sys_descr max. 64 characters [blank] Device description, e.g. location or department.
  • Page 113 USB Deviceserver User Manual macOS Appendix Table 8.3-11: Parameter list – UTN port Parameters Value Default Description utn_port 1-9200 9200 Defines the number of the UTN port for unen- crypted connections. [UTN port] [1–4 characters; 0– WARNING The UTN port must not be blocked by security software (firewall).
  • Page 114 USB Deviceserver User Manual macOS Appendix Table 8.3-12: Parameter list – Notification Parameters Value Default Description mailto_1 valid email address [blank] Email address of the recipient for notifications. mailto_2 [max. 64 characters] [Email address] mailsub max. 64 characters %p %N: %E Defines the content of the email subject line for notification and status emails.
  • Page 115 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description notisys_1 on/off Enables/disables sending emails with system information (reboot, network connections, notisys_2 power supply, temperature warnings, etc.). [Send system informa- tion] notiusb_1 on/off Enables/disables sending emails with informa- tion about the USB port and connected USB notiusb_2 devices (enable or disable a USB port, connect [Send USB port and...
  • Page 116 USB Deviceserver User Manual macOS Appendix Table 8.3-13: Parameter list – Monitoring (utnserver ProMAX only) Parameters Value Default Description monitoring on/off Enables/disables the monitoring of system val- ues, events and errors. [Monitoring] wdav_monidir max. 128 characters [blank] Defines the directory on the WebDAV server where the monitoring logs are stored.
  • Page 117 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description monimail on/off Enables/disables the regular sending of moni- toring logs as email. [Continuous backup] Important: The monitoring logs are divided into 2 MB files on the UTN server. Once this size is reached, the file is sent as an email attachment.
  • Page 118 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description security Defines the encryption level for SSL/TLS con- nections. [Encryption level] [1 character; 1–4] 1 = low 2 = medium 3 = high 4 = any (automatic negotiation) WARNING Current browsers do not support cipher suites from the Low level.
  • Page 119 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description sessKeys on/off Enables/disables the utnserver Control Center Control Center user accounts. If they are [Restrict Control Cen- enabled, a login screen is displayed when open- ter access] ing the utnserver Control Center. Important: Define user accounts (user names and passwords).
  • Page 120 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description sessKeyTimeout 120-3600 Time in seconds after which the timeout is to be effective. [Session timeout] [3–4 characters; 0–...
  • Page 121 USB Deviceserver User Manual macOS Appendix Table 8.3-16: Parameter list – SNMP Parameters Value Default Description snmpv1 on/off Enables/disables SNMPv1. [SNMPv1] snmpv1_ronly on/off Enables/disables the write protection for the community. [Read-only] snmpv1_community max. 64 characters public SNMP community name Enter the name as it is defined in the monitoring station.
  • Page 122 USB Deviceserver User Manual macOS Appendix Table 8.3-17: Parameter list – TCP port access Parameters Value Default Description protection on/off Enables/disables the blocking of selected ports and thus connections to the UTN server. [Port access control] protection_level protec_utn protec_utn Specifies the port types to be blocked. [Security level] protec_tcp protec_utn= UTN access (UTN ports)
  • Page 123 USB Deviceserver User Manual macOS Appendix Table 8.3-18: Parameter list – Authentication Parameters Value Default Description auth_typ Defines an authentication method (according to IEEE 802.1X). [Authentication method] If you use an authentication method in your network, the UTN server can participate. TTLS =none PEAP...
  • Page 124 USB Deviceserver User Manual macOS Appendix Table 8.3-19: Parameter list – USB Parameters Value Default Description utn_sec on/off Enables/disables SSL/TLS encryption of all USB and UTN communication. [Encrypt USB commu- nication (SSL/TLS)] The encryption strength is defined via the encryption protocol and level  64. utn_hide on/off Disables/enables the display of USB devices in...
  • Page 125 [blank] Allows a description of the USB port. The writ- utn_dscr_1 ters ten information is displayed on the properties page of the SEH UTN manager for the corre- [a–z, A–Z, 0–9] utn_dscr_20 sponding USB port. [Descripton] (A line break can be created with <br>.)
  • Page 126 USB Deviceserver User Manual macOS Appendix Parameters Value Default Description utn_pkalive_40 sMtWTFS:hh:hh:JJ: sMtWTFS:00: Defines the validity of a port key. Validity allows MM:DD:HH 23:19:12:31:2 you to specify when users can use a USB port and the USB device connected to it. [max.
  • Page 127 Value Default Description WARNING utn_heartbeat 1-1800 [1–4 characters; 0– This parameter can only be used after consultation with the SEH support team. WARNING utn_poffdura_1 0-100 [1–3 characters; 0– This parameter can only be used after consultation with the SEH utn_poffdura_20 support team.

  • Page 128: Seh Utn Manager - Feature Overview

    USB Deviceserver User Manual macOS Appendix SEH UTN Manager – Feature Overview Which features are inactive (grayed out) in the SEH UTN Manager depends on different factors: • Selection list mode - global - user • Client operating system (Windows, macOS, Linux) •...
  • Page 129 USB Deviceserver User Manual macOS Appendix Global selection list User selection list User Administr Administr User (read/ User (no read/ ator ator write *.ini) write *.ini) Port – Create UTN Action      Port – Settings  ...

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