--- a.txt 2018-06-12 11:47:24.000000000 +0800 +++ b.txt 2018-06-12 11:47:37.000000000 +0800 @@ -11,7 +11,7 @@
But for now … done enough hex-dump-reading for today … -#ifdef PLC +#ifndef PLC #define PLC = Plenty of Lovely Craftbeer #endif On Sat, Jun 9, 2018 at 12:00 AM, Christofer Dutz <christofer.d...@c-ware.de> wrote: > Hi all, > > today I had a very interesting appointment with a large pharmaceutical > company which are planning on giving PLC4X a try. If this works this would > be a huge thing for our project as well as that company. > After discussing multiple options of safely communicating PLC data from > inside the production-network to a less safe network, we started > investigating the protocols going over the wire. > > The controllers used are Emerson DeltaV MV Controllers and they > communicate with a matching Emerson OS (Operator-System … not OperatING > System) … for me this is sort of a Emerson SCADA System. > > What directly popped my eye was that all communication is done using UDP > on port 18507 and every packet sent starts with the first two bytes “0xFA” > and “0xCE” … “FACE” … I couldn’t find any mention of a protocol name and > hereby no spec or whatsoever information. Right now I’m doing a manual > pattern detection in my WireShark recording and will definitely start > automating that to prove my assumptions. > > But I was hoping that someone here on the list might be able to provide > some information and eventually give me the one or the other useful hint. > > But for now … done enough hex-dump-reading for today … > > #ifdef PLC > #define PLC = Plenty of Lovely Craftbeer > #endif > > Have a nice weekend :-) > > Chris > -- Niclas Hedhman, Software Developer http://polygene.apache.org - New Energy for Java
