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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