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USB Deviceservers & USB Dongleservers myUTN User Manual Linux USB Deviceservers myUTN-50a, myUTN-55, myUTN-2500 USB Dongleservers myUTN-80, myUTN-800...
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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.
How to Find Status Information on USB Ports and USB Devices................38 How to Use the Selection List and Manage User Access Rights with It..............39 How to Use the SEH UTN Manager without Graphical User Interface (utnm)............41 6 Security......................45 How to Encrypt the USB Connection...........................
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How to Backup Your Configuration ............................. 60 How to Reset Parameters to their Default Values ......................62 8 Appendix ......................63 Glossary ......................................64 Troubleshooting ..................................65 Parameter Lists .................................... 68 SEH UTN Manager – Feature Overview..........................92 Index........................................ 94...
USB ports of the UTN server. Then the UTN (UTN = USB to Network) functionality and the corre- sponding software tool 'SEH UTN Manager' establish a virtual USB connection between USB device respectively USB dongle and client. The USB device respectively USB dongle can be used as if it were connected locally.
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User Manual. More details can be found in chapter ’Documentation’ 3. Combination with Associated Products You can combine the UTN server with additional SEH Computertechnik GmbH products to ideally adapt the use of your devices to your environment! plus...
User Manual Linux General Information 1.2 Documentation Please load all current documents from our Website: http://www.seh-technology.com Further applicable documents Thee UTN documentation consists of the following documents: Quick Installation Guide Print, PDF Information on safety, technical data, instructions for hardware installation and initial setup, and declarations of conformity.
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.
4. Configure the UTN server so that it is optimally embedded it into your network and sufficiently protected. All information on how to do this you will find in this document. 5. Use the SEH UTN Manager to establish and manage connections to the USB devices which are connected to the UTN server 33.
The UTN server is connected to the network and the power grid. The UTN server has a valid IP address 17. The SEH UTN Manager is installed on the client 8. 1. Start the SEH UTN Manager.
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myUTN User Manual Linux Administration Methods Controls Figure 1: myUTN Control Center Menu item After selecting a menu item (simple mouse click), the available submenu items are displayed to the left. Submenu items After selecting a submenu item, the corresponding page with its content is displayed.
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' .
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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.
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Administration Methods 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: http://www.seh-technology.com/services/downloads.html...
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5. The user from the account used for installation can automatically use the SEH UTN Manager on the client. If further users are to use the SEH UTN Manager, you must add them to the group 'utnusers'. To do this, open a Terminal and enter the command: sudo usermod -aG utnusers <user name>...
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-i <full package name> 6. The user from the account used for installation can automatically use the SEH UTN Manager on the client. If further users are to use the SEH UTN Manager, you must add them to the group 'utnusers': sudo usermod -aG utnusers <user name>...
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User Manual Linux Administration Methods Program Start To start the SEH UTN Manager, go to the launcher and call 'UTN Manager' via Dash (search) or go to Terminal an utnmanager run the command Update You can check for program updated manually and automatically. More information can be found in the 'SEH...
myUTN User Manual Linux Administration Methods 2.3 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 1 14.
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myUTN User Manual Linux 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 cmd: set parameters Subject: Email message body: TAN = nUn47ir79Ajs7QKE sys_descr = <Your description>...
myUTN 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 17 • How to Configure IPv6 Parameters 18 •...
If the UTN server is connected to an IPv6 network, it will automatically receive an additional IPv6 address 18. The IPv4 address assigned to the UTNs erver can be found via the software tool 'SEH UTN Manager' . This step usu- ...
Network Settings Configuring IPv4 Parameters via SEH UTN Manager The SEH UTN Manager (complete version) is installed on the client 8. The UTN server is shown in the selection list 33. 1. Start the SEH UTN Manager.
You can embed the UTN server into an IPv6 network. WARNING UTN ( 1) and the corresponding SEH UTN Manager only work in IPv4 networks. The InterCon-NetTool also only works in IPv4 networks. In IPv6-only networks only the myUTN Control Center ( 6) can be accessed to administrate the UTN server.
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myUTN User Manual Linux Network Settings You know the settings of the WLAN. The UTN server is within the WLAN range. Important: If the UTN server changes the network, it may receive a new IP configuration. If this is the case, the connection to the myUTN Control Center is interrupted.
myUTN User Manual Linux Network Settings Parameters Description Key 1–4 Defines the WEP keys. Four WEP keys are available. The key type defines the max. number of characters as well as the permitted character set for the WEP keys. Important: If your access point supports multiple WEP keys, make sure that the key numbers on access point and UTN server are identical.
myUTN User Manual Linux Network Settings 3.5 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.
myUTN User Manual Linux Network Settings 3.6 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 •...
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myUTN User Manual Linux Network Settings Parameters Description POP3 – Server port Defines the port which the UTN server uses to receive emails. The default port number for POP3 is 110. The default port number for SSL/TLS (parameter ’POP3 – Security’ 24) is 995. If required, read the documentation of your POP3 server.
myUTN User Manual Linux Network Settings Parameters Description SMTP – User name Defines the user name used by the UTN server to log on to the SMTP server. SMTP – Password Defines the password used by the UTN server to log on to the SMTP server. SMTP –...
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myUTN User Manual Linux Network Settings Parameters Description VLAN ID ID for the identification of the IPv4 management VLAN (0–4096). IP address of the UTN server 17. IP address Subnet mask of the UTN server 17. Subnet mask IP address of the network's standard gateway which the UTN server uses ...
myUTN User Manual Linux Device Settings 4 Device Settings • How to Configure the Device Time 27 • How to Assign a Description 27 • How to Assign a Name to a USB Port 28 • How to Disable a USB Port (only myUTN-80 and later) 28 •...
4.3 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 myUTN Control Center and SEH UTN Manager. These names are specified by the device manufacturers and might be ambiguous or inac- curate.
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.
myUTN User Manual Linux Device Settings 6. To confirm, click Save. The settings will be saved. Configuring event notifications via email The event emails can be sent to up to two recipients. SMTP is set up 23. ...
myUTN User Manual Linux Device Settings 4.8 How Do I Determine What is Shown in the Display? (myUTN-800 only) The Dongleserver myUTN-800 has a display panel at its front side. The following information can be displayed: • Identifier Freely definable name which will be displayed as default. (Default: DS) •...
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myUTN User Manual Linux Device Settings (Max. 2 characters; A–Z, 0–9. E+digit is not permitted because this combination is used for errors.) 4. To confirm, click Save. The settings will be saved. Figure 5: Display panel myUTN-800 Enable Error Notifications 1.
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.
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Working with the SEH UTN Manager Adding the UTN Server to the Selection List The SEH UTN Manager (complete version) is installed on the client 8. The UTN server was found via the network scan and is displayed in the network list.
12 myUTN-80 The SEH UTN Manager (complete version) is installed on the client 8. The USB port is shown in the selection list 33. 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.
The SEH UTN Manager (complete version) is installed on the client 8. The SEH UTN Manager (complete version) is installed on the client of the user who uses the USB device 8. The SEH UTN Manager (complete version) is executed with graphical user interface on both clients.
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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 8. The USB port is shown in the selection list 33.
• Message about the Duration of a Connection 38 Displaying Status Information The SEH UTN Manager (complete version) is installed on the client 8. The USB port is shown in the selection list 33. 1. Start the SEH UTN Manager.
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.
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SEH UTN Managers functions. 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;...
(utnm) The SEH UTN Manager is available in two versions 8. It can be used without graphical user interface in the min- imal version. To do so, the tool 'utnm' is utilized to use UTN features via the console of the operating system: •...
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User Manual Linux 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.
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User Manual Linux Working with the SEH UTN Manager Command Description Specifies a USB port key 51. -k USB port key Important: --key USB port key The command only enters the key to make the USB device available.
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This feature is not supported. Error (with error code). Using utnm via Console The SEH UTN Manager is installed on the client 8. You know the UTN server’s IP address or host name. 1. Open a Console.
The encryption strength is defined via the encryption protocol and level 47. 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.
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3. Enable the encryption for the USB port. 4. To confirm, click Save. The data transfer between the clients and the USB device will be encrypted. The encrypted connection will be displayed client-side in the SEH UTN Manager under Properties. Figure 9:SEH UTN Manager – encryption...
myUTN User Manual Linux Security 6.2 How to Encrypt the Connection to the myUTN Control Center You can protect the connection to the myUTN Control Center by encrypting it with the protocol SSL (Secure Sock- ets Layer) and its successor TLS (Transport Layer Security). •...
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Control Center ( 47), 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 ( 45), a connection cannot be established.
myUTN User Manual Linux Security 6.4 How to Protect Access to the myUTN Control Center (User Accounts) By default, everyone who can find the UTN in the network can access its myUTN Control Center. To protect the UTN from unwanted configuration changes, you can set up two user accounts: •...
myUTN User Manual Linux Security 6.5 How to Block Ports of the UTN Server (TCP Port Access Control) You can restrict access to the UTN server by blocking ports with the ‘TCP port access control’ . If a port is blocked, the protocols respectively services using this port cannot establish a connection with the UTN server.
• USB port key control A key is defined for the USB port. Neither the USB port nor the connected USB device are shown in the SEH UTN Manager, i.e. the USB device cannot be used. Only if the key for the USB port is entered in the SEH UTN Manager, the USB port and the connected USB device appear.
myUTN User Manual Linux Security 5. To confirm, click Save. The settings will be saved. Only the assigned USB device model can be operated on the USB port. To deactivate the feature, go to the Method list and select ---. 6.7 How to Block USB Device Types USB devices are grouped into classes according to their function.
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(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 53 • Creating a Self-Signed Certificate 53 •...
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myUTN User Manual Linux Security Parameters Description Organization name Name of the company which uses the UTN server. (max. 64 characters) Organizational unit Name of a department or subsection in the company. (max. 64 characters; optional) Location Location of the company. (max.
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myUTN User Manual Linux Security 8. Send the text file as certificate request to a certification authority. The certification authority creates the certificate and gives it to you. Important: The certificate must be in 'base64' format. 9. Click Requested certificate. 10.
myUTN User Manual Linux Security Deleting Certificates WARNING To establish an encrypted (HTTPS 47) connection to the myUTN Control Center, a certificate (self-signed/CA/PKCS#12) is required. If you delete the corresponding certificate, the myUTN Control Center can no longer be reached. In this case restart the UTN server ...
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myUTN User Manual Linux Security WARNING Follow the instructions below in the given order. If you do not follow the order, the UTN server might not be reachable in the network. In this case, reset the parameters of the UTN serve 62. 1.
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myUTN User Manual Linux Security 1. Start the myUTN Control Center. 2. Select SECURITY – Authentication. 3. Select PEAP from the Authentication method list. 4. Enter the user name and the password of the user account that is set up for the UTN server on the RADIUS server.
myUTN User Manual Linux Maintenance 7 Maintenance You can maintain the UTN server in the following ways: • How to Restart the UTN Server 60 • How to Update 60 • How to Backup Your Configuration 60 •...
You can find the version number of the firmware/software installed on the UTN server on the start page of the myUTN Control Center. For current firmware/software files go to the SEH Computertechnik GmbH website: http://www.seh-technology.com/services/downloads.html Only the existing firmware/software is updated; settings will be preserved.
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myUTN User Manual Linux Maintenance The Dongleserver myUTN-800 also has an automatic backup feature. It saves the parameter values, passwords and certificates installed on the UTN server automatically to a connected SD card. After a parameter or certificate change, the backup will be updated automatically. To transfer the settings to another UTN server, you simply in- sert the SD card into the other device.
myUTN User Manual Linux Maintenance 7.4 How to Reset Parameters to their Default Values You can reset the UTN to its default values, e.g. if you want to install the UTN server in a different network. All set- tings will be set to factory settings. Installed certificates will not be deleted. Important: The connection to the myUTN Control Center my be interrupted if the IP address of the UTN server changes with the reset.
If a compound USB device is connected to a USB port of the UTN server, all integrated USB devices will be shown in the myUTN Control Center and in the selection list of the SEH UTN Manager. When the port connection is ac- tivated, all displayed USB devices will be connected to the user's client.
• SEH UTN Manager: USB Devices Are Not Shown 66 • SEH UTN Manager: A USB Device Is Connected to the USB Port, but several USB Devices Are Displayed 66 • SEH UTN Manager: Features Are Not Available or Deactivated 67 UTN Server: BIOS Mode The UTN server switches to the BIOS mode if the firmware works but the software is faulty.
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• The USB port is deactivated 28. • The USB port key control is activated for the USB device 51. Only once the key for the USB port is entered in the SEH UTN Manager, the USB port and the connected USB device appear.
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Possible causes: • Your client user account does not have the required administrative rights. This restricts user rights in the SEH UTN Manager as well. More details can be found in chapter ’SEH UTN Manager – Feature Overview’ 92.
myUTN User Manual Linux Appendix 8.3 Parameter Lists The UTN servers stores its configuration as parameters. You directly use parameters for: • Administration via email 14 • Configuration backup (viewing, editing and loading parameters onto other devices) 60 The following tables list all parameters and their values so that you can use them in the actions named above.
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myUTN User Manual Linux Appendix Table 16: 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.
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myUTN User Manual Linux Appendix Table 17: 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 configuration] ipv6_addr...
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myUTN User Manual Linux Appendix Table 19: 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.
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myUTN User Manual Linux Appendix Table 20: Parameter list – Bonjour Parameters Value Default Description bonjour on/off Enables/disables Bonjour. [Bonjour] bonjour_name max. 64 characters [Default Defines the Bonjour name of the myUTN server. name] [Bonjour name] [a–z, A–Z, 0–9] The myUTN server uses this name to announce its Bonjour services.
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myUTN User Manual Linux Appendix Table 21: Parameter list – POP3 (only myUTN-80 and later) 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.
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myUTN User Manual Linux Appendix Table 22: Parameter list – POP3 (only myUTN-80 and later) Parameters Value Default Description smtp_srv max. 128 characters [blank] Defines the SMTP server via the IP address or the host name. [Server name] A host name can only be used if a DNS server was configured beforehand.
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myUTN User Manual Linux Appendix Parameters Value Default Description smtp_encrypt on/off on = Activates the encryption of emails. Only the intended recipient can open and read [Full encryption] the encrypted email. [Signing emails] An S/MIME certificate is required for the encryption ...
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myUTN User Manual Linux Appendix Table 23: Parameter list – IPv4-VLAN (only myUTN-80 and later) 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.
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myUTN User Manual Linux Appendix Table 24: Parameter list – WLAN (myUTN-55 only) Parameters Value Default Description wifi_mode adhoc adhoc Defines the communication mode (network infrastructure): [Mode] infra • Ad hoc: Your WLAN is a decentralized ad- hoc-network in which devices communicate directly with each other (peer-to-peer).
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myUTN User Manual Linux Appendix Parameters Value Default Description wifi_keyid 0–4 Defines the WEP key to be used. [Use WEP key] [1 character; 0–4] 0 = no key 1 = key 1 2 = key 2 3 = key 3 4 = key 4 wifi_wkey1 Depends on the key...
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[Host name] [a–z, A–Z, 0–9] ily in the network, e.g. if you are using several UTN servers. Is displayed in the myUTN Control Center and SEH UTN Manager. sys_descr max. 64 characters [blank] Device description, e.g. location or department. [Description] [a–z, A–Z, 0–9]...
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myUTN User Manual Linux Appendix Table 28: 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; 0–9] WARNING The UTN port must not be blocked by security software (firewall).
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myUTN User Manual Linux Appendix Table 29: Parameter list – Notification (only myUTN-80 and later) Parameters Value Default Description mailto_1 valid email address [blank] Email address of the recipient for notifications. mailto_2 [max. 64 characters] [Email address] noti_stat_1 on/off Enables/disables the periodical sending of a sta- tus email to recipient 1 or 2.
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myUTN User Manual Linux Appendix Parameters Value Default Description noti_pup_1 on/off Enables/disables the sending of emails when the UTN server restarts. noti_pup_2 [Send email if UTN server is restarted] noti_pwr_1 on/off Enables/disables the sending of emails when one of the two power supplies of the UTN server noti_pwr_2 is interrupted or established.
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myUTN User Manual Linux Appendix Parameters Value Default Description trap_pwr on/off Enables/disables the sending of SNMP traps when one of the two power supplies of the UTN [Send trap if power server is interrupted or established. supply is interrupted or established] (myUTN-800 only) trap_lnk on/off...
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myUTN User Manual Linux Appendix Table 30: Parameter list – Display (myUTN-800 only) Parameters Value Default Description dis_def 1–2 characters Defines the name (ID) shown in the display panel on the front side of the UTN server. [Identifier (display [A–Z, 0–9; E+digit is panel)] not permitted because this combi-...
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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, a connection cannot be estab- lished.
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myUTN User Manual Linux Appendix Table 33: Parameter list – myUTN Control Center security Parameters Value Default Description http_allowed on/off Defines the connection type (HTTP/HTTPS) to be used for connecting to the myUTN Control [Connection] Center. on = HTTP/HTTPS off = HTTPS only The encryption strength is defined via the encryption protocol and level ...
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myUTN User Manual Linux Appendix 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] word] Important: Also is the password of the SNMPv3 user account 22. sessKeyUList on/off Defines the type of login screen.
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myUTN User Manual Linux Appendix Table 34: 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)
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myUTN User Manual Linux Appendix Table 35: Parameter list – USB connection encryption Parameters Value Default Description utn_sec_1 on/off Enables/disables the SSL/TLS encryption for the connection between USB port (i.e. USB device) and client. utn_sec_20 Important: [USB port] Only payload will be encrypted. Control and log data will be trans- mitted without encryption.
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myUTN User Manual Linux Appendix Table 38: Parameter list – Authentication Parameters Value Default Description auth_typ Defines the authentication method used in your network in which the UTN server is to partici- [Authentication pate. method] = none TTLS MD5= EAP-MD5 PEAP TLS = EAP-TLS FAST...
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Parameters Value Default Description utn_heartbeat 1–1800 WARNING [1–4 characters; 0– This parameter can only be used after consultation with the SEH support team. utn_poffdura_1 0–100 WARNING [1–3 characters; This parameter can only be used 0–9] after consultation with the SEH utn_poffdura_20 support team.
User Manual Linux Appendix 8.4 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, OS X/macOS, Linux) •...
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myUTN User Manual Linux Appendix Global Selection List User Selection List User Adminis- Administr User (read/ User (no read/ trator ator write *.ini) write *.ini) Buttons Selection List – Refresh Selection List –...
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