CN112118260A - Opcda报文处理方法、装置、电子设备及存储介质 - Google Patents
Opcda报文处理方法、装置、电子设备及存储介质 Download PDFInfo
- Publication number
- CN112118260A CN112118260A CN202010983815.1A CN202010983815A CN112118260A CN 112118260 A CN112118260 A CN 112118260A CN 202010983815 A CN202010983815 A CN 202010983815A CN 112118260 A CN112118260 A CN 112118260A
- Authority
- CN
- China
- Prior art keywords
- message
- opcda
- detected
- function code
- packet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
- H04L63/0236—Filtering by address, protocol, port number or service, e.g. IP-address or URL
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0227—Filtering policies
- H04L63/0245—Filtering by information in the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/133—Protocols for remote procedure calls [RPC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010983815.1A CN112118260B (zh) | 2020-09-16 | 2020-09-16 | Opcda报文处理方法、装置、电子设备及存储介质 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010983815.1A CN112118260B (zh) | 2020-09-16 | 2020-09-16 | Opcda报文处理方法、装置、电子设备及存储介质 |
Publications (2)
Publication Number | Publication Date |
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CN112118260A true CN112118260A (zh) | 2020-12-22 |
CN112118260B CN112118260B (zh) | 2021-09-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010983815.1A Active CN112118260B (zh) | 2020-09-16 | 2020-09-16 | Opcda报文处理方法、装置、电子设备及存储介质 |
Country Status (1)
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CN (1) | CN112118260B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160091397A1 (en) * | 2014-09-25 | 2016-03-31 | General Electric Company | Systems and methods for fault analysis |
CN106559382A (zh) * | 2015-09-25 | 2017-04-05 | 北京计算机技术及应用研究所 | 基于opc协议的安全网关防护系统访问控制方法 |
CN108848067A (zh) * | 2018-05-28 | 2018-11-20 | 北京威努特技术有限公司 | 智能学习并预置只读白名单规则的opc协议安全防护方法 |
CN109639701A (zh) * | 2018-12-25 | 2019-04-16 | 杭州迪普科技股份有限公司 | 基于opc协议的访问控制方法、装置、设备及存储介质 |
-
2020
- 2020-09-16 CN CN202010983815.1A patent/CN112118260B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160091397A1 (en) * | 2014-09-25 | 2016-03-31 | General Electric Company | Systems and methods for fault analysis |
CN106559382A (zh) * | 2015-09-25 | 2017-04-05 | 北京计算机技术及应用研究所 | 基于opc协议的安全网关防护系统访问控制方法 |
CN108848067A (zh) * | 2018-05-28 | 2018-11-20 | 北京威努特技术有限公司 | 智能学习并预置只读白名单规则的opc协议安全防护方法 |
CN109639701A (zh) * | 2018-12-25 | 2019-04-16 | 杭州迪普科技股份有限公司 | 基于opc协议的访问控制方法、装置、设备及存储介质 |
Also Published As
Publication number | Publication date |
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CN112118260B (zh) | 2021-09-14 |
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Effective date of registration: 20211116 Address after: 430040 No. 666, Wuhuan Avenue, Linkang economic and Technological Development Zone, Wuhan, Hubei (21) Patentee after: Hubei Tianrongxin Network Security Technology Co., Ltd Patentee after: Beijing Topsec Network Security Technology Co.,Ltd. Patentee after: Topsec Technologies Inc. Patentee after: BEIJING TOPSEC SOFTWARE Co.,Ltd. Address before: 100000 4th floor, building 3, courtyard 1, Shangdi East Road, Haidian District, Beijing Patentee before: Beijing Tianrongxin Network Security Technology Co., Ltd Patentee before: Topsec Technologies Inc. Patentee before: BEIJING TOPSEC SOFTWARE Co.,Ltd. |
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