S7.Protocol_CPU.Function.Read.SZL
Description
This indicates detection of the S7 CPU function Read SZL command.S7 is a proprietary communication protocol by Siemens. It is run between PLCs of the Siemens S7 family for PLC programming, data exchange, data accessing from SCADA systems and diagnostic purposes.
Affected Products
S7 CPU Read SZL
Impact
Unexpected network communication
Technology
Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device
Behavior
- Reasonable
Application Dependencies
Default Ports
- TCP/102