Wiesemann & Theis GmbH

Networking, sensors and interface technology for industry, office and IT

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Firmware:

Com-Server++

#58665

Current firmware
Date Changes and comments Revision
September 15, 2025
  • DHCP: Optimization of the process after link loss
  • DHCP: After assigning a DHCP lease and its expiry, IP assignment via static ARP is deactivated.
  • Bugfix: No function of the factory default jumper in version 1.60
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.61
UHD download
SHA-256 hash:
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Older firmware
Date Changes and comments Revision
April 22, 2025
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.60
on request
June 11, 2024
  • NEW: 802.1x MD5 authentication
  • WBM: Corrected erroneous linking
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.59
on request
January 10, 2024
  • NEW: Operating mode Modbus/TCP-Gateway (connecting MB/RTU slaves to MB/TCP masters)
  • DHCP: Problem with custom DHCP options fixed
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.58
on request
January 25, 2022
  • Client modes: Behavior of the Disconnect-Char corrected
  • DHCP: Problem with DHCP relays corrected
  • TCP: Behavior of TCP-Zero-Window optimized
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.56
on request
December 2, 2021
  • Security updates: WBM session management (VDE-2022-057)
  • NEW: TCP Client mode with optional TLS-PSK encryption
  • "Encrypted COM redirector" menu moved to "TCP Server" menu
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.55
on request
October 19, 2021
  • New mode: Encrypted connection (TLS-PSK) with Windows COM Port Redirector (version 3.92 and higher)
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.54
on request
February 25, 2021
  • Security updates
  • SNMP: Private MIB activated (read only)
  • Minimum value of the serial InQueue corrected
Updates for Com-Servers with versions older than 1.52 to versions 1.53 and higher are only possible if first an intermediate update to version 1.52 is uploaded.
 1.53
on request
May 18, 2020
  • Update problem in versions 1.50 and 1.51 with activated logfile fixed
 1.52
UHD download
SHA-256 hash:
March 3, 2020
  • Configuration upload under Win10 corrected
  • GARPs with source and destination IP = 0.0.0.0 caused reset in DHCP mode
 1.51
on request
November 21, 2019
  • New: Web-Based Management via HTTPS incl. certificate support
  • BREAK signal processing optimized
  • SNMP behavior MIB2 optimized
 1.50
on request
July 24, 2019
  • Fixed possibly critical weakness in Web Based Management (VDE-2022-043)
  • Display problems in Telnet and web configuration fixed
  • Readout of the UART error register corrected
  • New: TCP client option "Direct Connect"
 1.48
on request
March 21, 2018
  • Processing of BREAK signals adjusted
  • Support of a new flash type
 1.45
on request
February 20, 2018
  • Optimizations/corrections for Web-Based-Management
  • Buffer handling optimized
 1.42
on request
June 29, 2017
  • Optimized operation in DHCP environments with relay agents
  • Security problem with Port 1094/TCP fixed
 1.41
on request
December 28, 2016
  • Optimized system response in noisy/slow network environments
 1.40
on request
August 8, 2016
  • Web Based Management: Optical corrections
  • DHCP: Lease time calculation corrected
  • TLS: TLS handshake optimized
 1.39
on request
April 12, 2016
  • Serial buffer handling optimized
 1.37
on request
December 4, 2015
  • NEW: Optional TLS encrypted Box-to-Box operation
  • IP assignment with static ARP entry is possible in just 2 minutes after restart
  • FTP server mode: Optimized closing of the connection
  • Optimized DHCP behavior after link loss
  • Configuration upload using WuTility works again
  • Web page problem with split HTTP requests corrected
 1.35
on request
July 31, 2013
  • New: Selectable detection of IP address conflicts (RFC5227)
  • New: LED indication for boot-up and missing IP address
  • Correction of Packet Options
  • Correction of FTP Client mode
 1.31
on request
June 13, 2013
  • Web page problem with IE10 corrected
  • SLIP: Calculation of the routing subnet mask corrected
 1.30
on request
April 24, 2013
  • Corrected subnet mask after switching to DHCP
  • FTP-Client mode: Greeting message with Code 200 accepted
 1.29
on request
September 24, 2012
  • Behavior with flow control using CTS AND DSR corrected
 1.27
on request
July 18, 2012
  • Up-/download of the configuration corrected
  • Optimized SLIP mode
  • Mark/Space Parity implemented
 1.26
on request
November 15, 2011
  • FTP Client mode with serial protocol corrected
  • Mark/Space Parity implemented
 1.25
on request
June 14, 2011
  • Original version
 1.24
on request
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