The SINEC H1 protocol is a simple protocol to transfer PLC (programmable logic controller) data between Siemens SIMATIC S5 devices.


XXX - add a brief description of H1 history

Protocol dependencies

Example traffic

XXX - Add example traffic here (as plain text or Wireshark screenshot).


The H1 dissector is fully functional.

Preference Settings

There are no preference settings affecting how H1 is dissected.

Example capture file

XXX - Add a simple example capture file to the SampleCaptures page and link from here (see below). Keep this file short, it's also a good idea to gzip it to make it even smaller, as Wireshark can open gzipped files automatically.

Display Filter

A complete list of H1 display filter fields can be found in the display filter reference

Show only the H1 based traffic:


Capture Filter

You cannot directly filter H1 protocols while capturing.

External links


Imported from on 2020-08-11 23:14:31 UTC