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July 2019: COMPROTware:Testtool 2.19.3 released

COMPROTware:Testtool 2.19.3 is adapted to and successfully tested with MS Windows 10 version 1903 (May 2019 Update).

For details and to download this release see Product | CPTT | 2.19 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

June 2019: COMPROTware:Testtool 2.19.2 released

Many customers use COMPROTware:Testtool to ensure the availability and stability of their grid. In the 2010s to achieve this, it is necessary to carry out day- or week-long protocol monitoring or simulations.

We continued to work on this goal in the current release: When used for days or weeks a very large amounts of data is collected. In order to compensate this, we worked on our MLG file format and now compress the stored Frames. The file sizes were more than halved depending on the protocol, thus speeding up file reading.

For details and to download this release see Product | CPTT | 2.19 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

February 2019: COMPROTware:Testtool 2.19.1 released

With COMPROTware:Testtool 2.19.1, we have successfully completed some open tasks:

  • Experimental: TLS-secured TCP/IP connections now for MODBUS TCP/IP too, both for client and server simulation. In this way, we support TLS-secured connections for all our TCP/IP-based protocols.
  • All protocol implementations now use the CPLB Design pattern "Frame Scanner NGT 2018": This provides greater robustness and problem tolerance over faulty characters on a serial line. Additionally, the new Frame Scanners are more resource-efficient, resulting in an enhanced user experience.
  • Many minor improvements ...


For details and to download this release see Product | CPTT | 2.19 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

December 2018: Update: Dongle manufacturer Wibu-Systems warns of security vulnerabilities

In the dongle licensing software "WibuKey Runtime" (by [ Wibu-Systems ] ), several security vulnerabilities have been fixed. We advise all users of our products

to update "WibuKey Runtime" to version 6.50 or newer.

"WibuKey Runtime 32/64 Bit" can be downloaded from [ WibuKey Runtime ] (alternatively: [ WIBU-User Software ] ).

Wibu-Systems has provided the following user information: WibuKey-User-Information-20181219a.pdf (500K)

You can request further information about the vulnerabilities from us: e-mail info@realthoughts.de

December 2018: COMPROTware:Testtool 2.18.4 released

For COMPROTware:Testtool 2.18.4, we worked hard on the general Message processing speed, resulting in noticeable improvements for every user:

  • Reading and processing of an MLG file got a significant speed boost, files with more than 1,000,000 items will now be shown within seconds.
  • Changing of Formatting options got a speed up, Link Layer or verbose Message display is now on the screen within seconds.
  • Experimental: TLS-secured TCP/IP connections for IEC 60870-5-104, DNP3 over LAN/WAN and Raw data net, both for client and server simulation (based on IEC 62351-3).
  • Many minor improvements ...


For details and to download this release see Product | CPTT | 2.18 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

October 2018: COMPROTware:Testtool 2.18.3 released

COMPROTware:Testtool 2.18.3 is one more release with a lot of changes in the core but with only a few visible.

For this release the news are:

  • New keyboard shortcut in Message View window: ALT+CTRL+z clears Message Storage/View.
  • In Message View window, when mouse wheel is scrolled while CTRL is pressed the font size increases/decreases, while SHIFT is pressed the windows is scrolled horizontally.
  • Experimental: TLS-secured TCP/IP connections for IEC 60870-5-104 server simulation based on IEC 62351-3.
  • Many minor improvements ...


For details and to download this release see Product | CPTT | 2.18 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

July 2018: COMPROTware:Testtool 2.18.2 released

With COMPROTware:Testtool 2.18.2, little has been done on the outside, but we worked intensively on the core. Everything together creates the necessary basis for providing important developments in the next releases.

For details and to download this release see Product | CPTT | 2.18 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

May 2018: COMPROTware:Testtool 2.18.1 released

COMPROTware:Testtool 2.18.1 is the first release, which follows our new release numbering scheme.

For this release the news are:

  • CPTT 2.18.1 does not run on MS Windows XP and Vista anymore. We keep on supporting MS Windows 7, 8.1, 10, Windows Server 2012, Windows Server 2012 R2 and Windows Server 2016.
  • By the General Preferences "Max. Stationname width" and "Max. DataObj name width" the width of Data Object names can be specified.
  • DNP3 serial and DNP3 over LAN/WAN: DNP3 Secure Authentication- resp. IEC 62351-5-Messages are now dissected.
  • Drag&Drop for MLG and MLS files implemented.
  • Many minor improvements ...


For details and to download this release see Product | CPTT | 2.18 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

January 2018: COMPROTware:Testtool 1.50.8 released

With COMPROTware:Testtool 1.50.8 today we published the last release of the 1.50-line. Starting with the next release we will introduce a new release numbering scheme:

<Release State>.<Major Release No.>.<Year 2 digits>.<Patchlevel>


  • <Release State> shows the state of the release:
    • "X" for a development snapshot.
    • "T" for a "Tested Release", which successfully passed all internal QA tests.
    • "A" for an "Approved Release", which successfully passed internal and external tests.
  • <Major Release No.> is increased on major technology changes.
  • <Year 2 digits> shows the last two digits of the year of release.
  • <Patchlevel> is increased for each published Tested and Approved Release.


For this release the news are:

  • For network-based protocols, for Client simulation, the IP address of a network interface can be specified as a hint to the operating system which IP address should be used ("bind to Client address").
  • IEC 60870-5-101/-104: IEC 60870-5-7- resp. IEC 62351-5-Message are now dissected.
  • MODBUS: Consecutive 16 bit-values are presented as 32 bit floating-point-value.
  • MODBUS: Function Code 23-Message (Read/Write Multiple Registers) can now comfortably be edited.


For details and to download this release see Product | CPTT | 1.50 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

November 2017: COMPROTware:Testtool 1.50.6 with Message List Single Step

Since the last release in July, we together with some end users did very intensive development on COMPROTware:Testtool :

  • We are especially proud of Message List Single Step. With this the user can now send Link Layer Frames or Application Layer Message step by step to the opposite station.
  • For many protocols we introduced the new protocol profile parameter "Time offset", which is very useful to send a device under test into the past or into the future, without the necessity to change the computerĀ“s date&time.
  • L&G TG809 also did get a lot of improvements, e.g. qualified Message List like with IEC 60870-5-101/-104.
  • Data Object Database: We added extra data types for protocols with separate address spaces per data type. For the protocols IEC 60870-5-101/-104, DNP3 and L&G TG809 we introduced protocol-specific examples.
  • MS Windows 10 version 1709 (Fall Creators Update) is supported.


For details and to download this release see Product | CPTT | 1.50 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

July 2017: COMPROTware:Testtool 1.50.5 released

Some details are corrected in COMPROTware:Testtool Release 1.50.5, nothing big.

Nevertheless we recommend everyone to change to this release.

For details and to download this release see Product | CPTT | 1.50 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

April 2017: COMPROTware:Testtool 1.50.4 released

There are not many visible changes in COMPROTware:Testtool Release 1.50.4, but it includes important error corrections and many improvements.

We recommend everyone to change to this release!

For details and to download this release see Product | CPTT | 1.50 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

February 2017: COMPROTware:Testtool 1.50.3 released

We are constantly developing COMPROTware:Testtool, in the just published release 1.50.3 we enhanced the address filters. With many protocols you can now use address lists, address ranges and combinations of addresses and ranges to specify address filters:

  • Address list: "1, 5, 10",
  • Address range: "1-5, 50-60" and
  • Combinations: "1-5, 10, 50-60".

For details and to download this release see Product | CPTT | 1.50 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de

November 2016: COMPROTware:Testtool 1.50 released

After a long period of development we now published COMPROTware:Testtool T.1.50.

Among other things, new in COMPROTware:Testtool is:

  • Ported to MS Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2 and Windows 10. CPTT also available for 32 Bit- and 64 Bit-Linux. Adapted to Java 8.
  • File operations significantly speeded up.
  • Particular for long term tests: Option for File, Log to file ... to change the name of the target file regularly. Extra, Split Log file ... enhanced to get resulting filenames which may contain date and time.
  • Qualified Message List with IEC 60870-5-101/-104.
  • The RIO Client can now be used free of charge, when any protocol is licensed.
  • Many minor improvements ...


For details and to download this release see Product | CPTT | 1.50 .

We are open to any suggestion or problem report! Please mail us: e-mail cptt@realthoughts.de