SEH myUTN utnserver Pro User Manual
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SEH myUTN utnserver Pro User Manual

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  • Page 1 myUTN USB Deviceserver User Manual Linux utnserver Pro...
  • 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 Automate USB Device Connections and Program Starts ................44 How to Use the Selection List and Manage User Access Rights with It..............46 How to Use the SEH UTN Manager without Graphical User Interface (utnm)............49 6 Security......................54 How to Define the Encryption Strength for SSL/TLS Connections ................
  • Page 4 How to Reset Parameters to their Default Values ......................78 How to Perform a Device Software Update ........................79 How to Restart the UTN Server .............................. 80 8 Appendix ......................81 Glossary ......................................82 Troubleshooting ..................................83 Parameter lists....................................85 SEH UTN Manager – Feature Overview..........................106...

  • Page 5: General Information

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

  • Page 6: Product

    USB ports of the UTN server for this purpose. The UTN (UTN = USB to Network) functionality and the corre- sponding software tool 'SEH UTN Manager' then establish a virtual USB connection between USB device and cli- ent. The USB device can be used as if it were connected locally.

  • Page 7: Documentation

    USB Deviceserver User Manual Linux 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 Linux 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 Linux 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 Customers from the United States of America (USA) and Canada please contact North American Support: Monday –...

  • 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’  37.

  • Page 12: Administration Methods

    2 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 Email  17...

  • Page 13: Administration Using The Utnserver Control Center

     The UTN server is connected to the network and the power grid.  The UTN server has a valid IP address  20.  The SEH UTN Manager is installed on the client  11. 1. Start the SEH UTN Manager.
  • Page 14 USB Deviceserver User Manual Linux Controls Figure 2.1-1: utnserver Control Center Product & Company Manufacturer’s contact details and additional product information. Menu item After selecting a menu item, the available submenu items are displayed. Page Menu content Globe Language selection ? icon Online help...

  • 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 USB Deviceserver User Manual Linux Installation In order to use the SEH UTN Manager, the program must be installed on a computer with a Linux 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 USB Deviceserver User Manual Linux Some installation examples are given below. • ’Installing the SEH UTN Manager in Ubuntu 20.0.4 (64-Bit) via Software Management’  14 • ’Installing the SEH UTN Manager in Ubuntu 20.0.4 (64-Bit) via Terminal’  14 •...
  • Page 19 16) and activating a connection to the USB port including the connected USB device. All information on this can be found in chapter ’Working with the SEH UTN Manager’  37. Installing the SEH UTN Manager in Red Hat Enterprise Linux Server (8) ...
  • Page 20 USB Deviceserver User Manual Linux Program Start To start the SEH UTN Manager, go to the launcher and call 'UTN Manager' via Dash (search) or go to Terminal an run the command utnmanager Update You can check for program updated manually and automatically. More information can be found in the  'SEH...

  • Page 21: Administration Via Email

    USB Deviceserver User Manual Linux 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 2.3-1 17. Table 2.3-1: Commands and comment: Commands Option...
  • Page 22 USB Deviceserver User Manual Linux 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: Network Settings

    USB Deviceserver User Manual Linux Network Settings 3 Network Settings To optimally embed your UTN server into your network, you can configure the following settings: • How to Configure IPv4 Parameters  20 • How to Use the UTN Server in VLAN Environments  22 •...

  • Page 24: How To Configure Ipv4 Parameters

    If the UTN server is connected to an IPv6 network, it will automatically receive an additional IPv6 address  24. The IPv4 address assigned to the UTN servers can be found via the SEH UTN Manager software tool. This step usu-  ...
  • Page 25 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 26: How To Use The Utn Server In Vlan Environments

    USB Deviceserver User Manual Linux 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 27 USB Deviceserver User Manual Linux 4. To confirm, click Save.  The settings will be saved. Table 3.2-2: IPv4 client VLAN parameters Parameters Description VLAN Enables/disables the forwarding of IPv4 client VLAN data. IP Address IP address of the UTN server within the IPv4 client VLAN. Subnet mask Subnet mask of the UTN server within the IPv4 client VLAN.

  • Page 28: How To Configure Ipv6 Parameters

    You can embed the UTN server into an IPv6 network. WARNING UTN functionality ( 2) and the corresponding SEH UTN Manager only work in IPv4 networks. In pure IPv6 networks, it is only possible to access the utnserver Control Center (...
  • Page 29 USB Deviceserver User Manual Linux Parameters Description Prefix length Defines the length of the subnet prefix for the IPv6 address. The value 64 is pre- set. Address ranges (e.g. your network) are specified with prefixes. To do this, the prefix length (number of bits used) is added to the IPv6 address as a decimal number and the decimal number is preceded by '/' .

  • Page 30: How To Configure The Dns

    USB Deviceserver User Manual Linux 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 31: How To Configure Email (Pop3 And Smtp)

    USB Deviceserver User Manual Linux 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  35. To use these features, the 'POP3' and 'SMTP' email protocols must be configured on the UTN server.
  • Page 32 USB Deviceserver User Manual Linux 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 3.5-2 28. 4.

  • Page 33: How To Configure Bonjour

    USB Deviceserver User Manual Linux 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 • match host names and IP addresses 1.

  • Page 34: Device Settings

    USB Deviceserver User Manual Linux Device Settings 4 Device Settings • How to Assign a Description  31 • How to Configure the Device Time  32 • How to Configure the (Encrypted) UTN Port  33 • How to Assign a Name to a USB Port  34 •...

  • Page 35: 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 and SEH UTN Manager. Description Device description, e.g.

  • Page 36: How To Configure The Device Time

    USB Deviceserver User Manual Linux 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. The device time of the UTN server can be set via an SNTP time server (Simple Network Time Protocol) in the net- work.

  • Page 37: 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 38: 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 39: How To Get Messages

    USB Deviceserver User Manual Linux 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 40 USB Deviceserver User Manual Linux 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 41: Working With The Seh Utn Manager

    5 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 42: 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 43 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 44: How To Establish A Connection To A Usb Device

    Number of physical USB ports Number of virtual USB ports utnserver Pro  The SEH UTN Manager (complete version) is installed on the client  11.  The USB port is shown in the selection list  38.  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 45: 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  41. • The administrator can also end the connection from the utnserver Control Center  41.

  • Page 46: 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 47: How To Find Status Information On Usb Ports And Usb Devices

    • Message about the Duration of a Connection  43 Displaying Status Information  The SEH UTN Manager (complete version) is installed on the client  11.  The USB port is shown in the selection list  38. 1. Start the SEH UTN Manager.

  • Page 48: How To Automate Usb Device Connections And Program Starts

    USB device is connected to the USB port. Auto-Connect must be activated for each USB port and works for all USB devices which are connected to the USB port.  The SEH UTN Manager (complete version) is installed on the client  11.  The USB port is shown in the selection list  38.
  • Page 49 USB Deviceserver User Manual Linux 2. Select the UTN server in the selection list. 3. In the UTN Server menu, select the command "Activate Auto Disconnect". The Activate Auto Disconnect dialog appears. 4. Activate the option for the desired USB ports. 5.

  • Page 50: 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 51 USB Deviceserver User Manual Linux 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; user with/without write access to ini-file). For a detailed breakdown see ’SEH UTN Manager –...
  • Page 52 To do so, you as administrator store a predefined list for the user ( 47) 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 53: 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 console of the operating system: •...
  • Page 54 USB Deviceserver User Manual Linux 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 55 USB Deviceserver User Manual Linux 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 56 This feature is not supported. Error (with error code). Using utnm via Console  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 Console.
  • Page 57 USB Deviceserver User Manual Linux 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 58: Security

    USB Deviceserver User Manual Linux Security 6 Security The UTN server can be protected with various security mechanisms. These mechanisms secure the UTN server it- self as well as the connected USB devices. In addition, you can integrate the UTN into the protection mechanisms implemented in your network.

  • Page 59: How To Define The Encryption Strength For Ssl/Tls Connections

    USB Deviceserver User Manual Linux 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): • Web access to the utnserver Control Center: HTTPS ( 59) •...
  • Page 60 Control Center ( 59), 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 ( 57), a connection cannot be established.

  • Page 61: How To Encrypt The Usb Connection

    The encryption strength is defined via the encryption protocol and level  55. 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 62 USB Deviceserver User Manual Linux The encrypted connection will be displayed client-side in the SEH UTN Manager under Properties. Figure 6.2-2: SEH UTN Manager – encryption...

  • Page 63: How To Encrypt The Connection To The Utnserver Control Center

    USB Deviceserver User Manual Linux 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 64: How To Protect Access To The Utnserver Control Center(User Accounts)

    USB Deviceserver User Manual Linux 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 65: How To Block Utn Server Ports (Tcp Port Access Control)

    USB Deviceserver User Manual Linux 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 66: How To Control Access To Usb Devices

    USB device are shown in the SEH UTN Manager, i.e. the connection cannot be established. As soon as the key for the USB port is entered in the SEH UTN Manager, the USB port and the connected USB device appear and can be used.
  • Page 67 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 68 USB Deviceserver User Manual Linux 7. Click Assign device. The USB device box shows the VID and PID of the USB device. 8. To confirm, click Save.  The settings will be saved. To deactivate the feature, go to the Method list and select ---.

  • Page 69: How To Block Usb Device Types

    USB Deviceserver User Manual Linux 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 70: 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  67 • Saving a Certificate Locally  67 •...
  • Page 71 USB Deviceserver User Manual Linux 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 72 USB Deviceserver User Manual Linux 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 73 USB Deviceserver User Manual Linux 11. Click Install.  The requested certificate is installed in the UTN server. Installing a PKCS#12 Certificate Important: If a PKCS#12 certificate has already been installed in the UTN server, you must first delete the certificate  70. ...
  • Page 74 USB Deviceserver User Manual Linux Deleting Certificates WARNING To establish an encrypted (HTTPS  59) connection to the utnserver Control Cen- ter Control Center, a certificate (self-signed/CA/PKCS#12) is required. If you delete the corresponding certificate, the utnserver Control Center can no longer be reached.

  • Page 75: How To Configure Network Authentication (Ieee 802.1X)

    USB Deviceserver User Manual Linux 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 76 USB Deviceserver User Manual Linux 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 77 USB Deviceserver User Manual Linux Configuring EAP-FAST EAP-FAST (Flexible Authentication via Secure Tunneling) is a specific EAP method developed by the company Cis- As with EAP-TTLS ( 72) and PEAP ( 72) a secure tunnel protects data transmission. However, the server does not authenticate itself with a certificate.

  • Page 78: How To Configure Snmp

    USB Deviceserver User Manual Linux 6.10 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 79: 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 80: Maintenance

    USB Deviceserver User Manual Linux Maintenance 7 Maintenance You can maintain the UTN server in the following ways: • How to Backup Your Configuration  77 • How to Reset Parameters to their Default Values  78 • How to Perform a Device Software Update  79 •...

  • Page 81: How To Backup Your Configuration

    USB Deviceserver User Manual Linux How to Backup Your Configuration The UTN server includes a backup function that allows you to access a fixed configuration state at any time. All parameters are saved in the '<default-name>_parameters.txt' parameter file (exception: passwords). You can view this file on the UTN server and save it to your local client for backup.

  • Page 82: How To Reset Parameters To Their Default Values

    UTN server changes with the reset. If required, determine the new IP address  20. 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 83: How To Perform A Device Software Update

    You can find the version number of the software currently installed on the UTN server on the start page of the utn- server Control Center or in the device list in the SEH Product Manager. Visit the SEH Computertechnik GmbH website for current software files: https://www.seh-technology.com/services/downloads.html...

  • Page 84: How To Restart The Utn Server

    USB Deviceserver User Manual Linux How to Restart the UTN Server After some parameter changes or after an update, the UTN server restarts automatically. If the UTN server is in an undefined state, you can also restart the UTN server manually. •...

  • Page 85: Appendix

    USB Deviceserver User Manual Linux Appendix 8 Appendix The appendix contains a glossary, the troubleshooting and the lists of this document. • Glossary  82 • Troubleshooting  83 • Parameter lists  85 • SEH UTN Manager – Feature Overview  106...

  • Page 86: Glossary

    If a compound USB device is connected to a USB port of the UTN server, all integrated USB devices will be shown in the utnserver Control Center and in the selection list of the SEH UTN Manager. When the port connection is activated, all displayed USB devices will be connected to the user's client.

  • Page 87: Troubleshooting

    USB Deviceserver User Manual Linux 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 88 • 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 ( 79).

  • Page 89: Parameter Lists

    USB Deviceserver User Manual Linux 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)  77 The following tables list all parameters and their values so that you can use them in the actions named above. •...
  • Page 90 USB Deviceserver User Manual Linux 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_mask valid IP address 255.255.0.0 Subnet mask of the UTN server. [Subnet mask] Subnet masks are used to logically partition big networks into subnetworks.
  • Page 91 USB Deviceserver User Manual Linux Table 8.3-2: 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 valid IP address...
  • Page 92 USB Deviceserver User Manual Linux Table 8.3-3: 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 93 USB Deviceserver User Manual Linux 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 94 USB Deviceserver User Manual Linux 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 ( 20) was configured beforehand.
  • Page 95 USB Deviceserver User Manual Linux 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.
  • Page 96 USB Deviceserver User Manual Linux Table 8.3-7: Parameter list – IPv4-VLAN Parameters Value Default Description ip4vlan_mgmt on/off Enables/disables the forwarding of IPv4 man- agement VLAN data. [IPv4 management VLAN] If this option is enabled, SNMP is only available in the IPv4 management VLAN. ip4vlan_mgmt_id 0-4096 ID for the identification of the IPv4 manage-...
  • Page 97 UTN server more eas- [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. sys_descr max. 64 characters [blank] Device description, e.g. location or department. [Description] [a–z, A–Z, 0–9]...
  • Page 98 USB Deviceserver User Manual Linux Table 8.3-9: Parameter list – Date/Time Parameters Value Default Description on/off Enables/disables the use of a time server (SNTP). [Date/Time] ntp_server max. 64 characters pool.ntp.org Defines a time server by its IP address or host name.
  • Page 99 USB Deviceserver User Manual Linux Table 8.3-10: 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 100 USB Deviceserver User Manual Linux Parameters Value Default Description notistat_h 0-23 Specifies the time (hour) at which a status email is sent. [hh] [1–2 characters; 0– 1 = 1. hour 2 = 2. hour 3 = 3. hour etc. notistat_tm Specifies the time (minute) at which a status email is sent.
  • Page 101 USB Deviceserver User Manual Linux Parameters Value Default Description trapusb on/off Enables/disables sending SNMP traps with information about the USB port and connected [Send USB port and USB devices (enable or disable a USB port, con- USB device informa- nect or remove a USB device, etc.) tion] trap_sdcard on/off...
  • Page 102 USB Deviceserver User Manual Linux Table 8.3-13: Parameter list – Control Center Parameters Value Default Description http_allowed on/off Defines the connection type (HTTP/HTTPS) to be used for connecting to the utnserver Control [Connection] Center Control Center. on = HTTP/HTTPS off = HTTPS only The encryption strength is defined via the encryption protocol and level ...
  • Page 103 USB Deviceserver User Manual Linux Parameters Value Default Description any_pwd max. 64 characters [blank] Defines the password for the read-only user account. [Read-only user – Pass- [a–z, A–Z, 0–9] Important: word] Also is the password of the SNMPv3 user account  74. sessKeyUList on/off Defines the type of login screen.
  • Page 104 USB Deviceserver User Manual Linux Table 8.3-14: 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 105 USB Deviceserver User Manual Linux Table 8.3-15: 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 106 USB Deviceserver User Manual Linux Table 8.3-16: 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 107 USB Deviceserver User Manual Linux Table 8.3-17: 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  55. utn_hid on/off Enables/disables the blocking of input devices...
  • Page 108 USB Deviceserver User Manual Linux Table 8.3-18: Parameter list – USB device access control Important: Some parameters can be assigned to a USB port twice, e.g. two USB port keys per USB port. These parameters are assigned to the USB ports as follows: USB port 01 = Parameter number '_01' and '_21' .
  • Page 109 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 110: Seh Utn Manager - Feature Overview

    USB Deviceserver User Manual Linux 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 111 USB Deviceserver User Manual Linux Global selection list User selection list User Adminis- Adminis- User (read/ User (no read/ trator trator write *.ini) write *.ini) Port – Settings      Buttons Selection List – Refresh   ...

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