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Recent content by StefanLueders

  1. StefanLueders

    Your experience on drop-outs of PLCs during network scans

    Hello ! After observing several drop-outs of some of our PLCs, it turned out, that the corresponding Ethernet communcation modules were blocked after the execution of network scans / port scans (using e.g. "nmap" or "Nessus"). In the most severe cases the blockage could only be fixed by...

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