Tag Archive
#Protocol
4 articles tagged with #Protocol. This page is set to noindex per SEO configuration.
Blog
FTP
FTP Explained: How File Transfer Protocol Works
How FTP really works: the two-connection model, active vs passive mode, commands, reply codes, and why FTP fails security audits. Plus FTP vs FTPS vs SFTP.
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PLC Communication
S7COMM
S7comm Protocol Explained: How Siemens S7 PLCs Communicate
S7comm protocol explained: how S7-300, S7-400, S7-1200, and S7-1500 talk over TCP port 102, the PDU header, ROSCTR message types, and S7comm vs S7CommPlus.
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Blog
CIP
CIP Protocol Ports: How EtherNet/IP Uses Ports 44818 and 2222
CIP Protocol Ports explained: learn how EtherNet/IP uses ports 44818 and 2222 to transport CIP messages for configuration, diagnostics, and real-time I/O communication.
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Blog
IEC-104
IEC 104 News 2026: Standard Updates, Security & NIS2 Compliance
Stay updated with the latest IEC 104 news for 2026, including IEC TS 60870-5-7 security extensions, standard status, testing updates, and SCADA interoperability.
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