Last seen: Sep 22, 2026
TcpTestSucceeded False from the office host. True from the plant laptop. Port 102 from the office host, True. So the rule IT wrote must be for 102 onl...
Copied Design to Runtime, rebuilt the MER on V11, loaded it this morning before first shift. Numbers came back straight away, bar graphs move, operato...
Right. The client checks the hostname it connected with against the certificate's SAN, and kep01.plant.local isn't there. Your laptop uses the short n...
Two things, in order. 1. That secure MAC is the dead module, so the port's locked to something sitting on a shelf. Sticky learns whatever is live, and...
That's the DCOM hardening, KB5004442. Once the server side enforces it, a DA client coming in below Packet Integrity gets refused. Something in Sunday...
1000 ms scan, 30 tags, nothing heavy. Firewall off for the test, no luck either way. KEPServer log line exact: "Device 'Line2.Filler' block request fa...
That's the cause. A distributed SE application lives in the Network Directory on your server box. A fresh V12 client defaults to the Local Directory, ...
Opened their project on the engineering laptop. DB1 has an Offset column, 0.0, 2.0, 4.0 straight down the list. DB5 has no Offset column at all, just ...
Both certs sit in Trusted on the CPU, checked twice. And with policy None there's no cert exchange at all and it still refuses. Server log line from t...
Both care about the layout. Inserting a member moves the byte offset of everything after it. The MSG hands the L33ER a block of raw data and your COP ...
Switches are 999, photo attached. No BOOTP server that I know of, nobody has touched this rack since 2019. And no rookie_ray, I don't know either.
Nobody ever admits to hardening a server. Glad it was free.
Kepware is TCP, class 3, it doesn't care. Your I/O is multicast. Two things: is there an IGMP querier on that VLAN, and what's the snooping group time...