Software Secure Firewall Threat Defense
Platform Secure Firewall Threat Defense Virtual
Activity Onboard

Advanced Network Analysis and Preprocessing SCADA Preprocessors The CIP Preprocessor CIP Preprocessor Rules

Last updated: Jul 29, 2025

CIP Preprocessor Rules

If you want the CIP preprocessor rules listed in the following table to generate events, you must enable them. See Setting Intrusion Rule States for information on enabling rules.

Table 1. CIP Preprocessor Rules

GID:SID

Rule Message

148:1

CIP_MALFORMED

148:2

CIP_NON_CONFORMING

148:3

CIP_CONNECTION_LIMIT

148:4

CIP_REQUEST_LIMIT