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Siemens AG
Entry type: Application example Entry ID: 22376747, Entry date: 07/09/2019
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Understanding and Using Firewall of Industrial Security Appliance SCALANCE S

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In order to protect the automation network from unauthorized access, the use of a firewall is an adequate solution. This application example shows you how to use the firewall with the SCALANCE S industrial security appliance.

In order to protect the automation network from unauthorized access, the use of a firewall is an adequate solution.

  • All Security Integrated products have an IP-based stateful packet inspection firewall integrated.
  • With the SCALANCE S industrial security appliance (S615 and SC-600) and the SCALANCE M industrial routers, the IP-based stateful packet inspection firewall can be configured user-specifically.
  • The SCALANCE SC-600 industrial security appliance also supports the bridge firewall  to protect that network.

This application example shows you how to use the firewall with the SCALANCE S industrial security appliance. You will learn the difference between the different firewall variants (IP-based, MAC-based, user-specific) and how to configure the different firewall variants.

The application example is explained using the following configuration:


Img01

An external (insecure) network and an internal network are connected to a SCALANCE SC-600 device. The internal network is to be protected against unauthorized access by the integrated firewall in the SCALANCE S.

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Last changes
Correction of MAC rule based Firewall

Training
Germany
Security in Industrial Networks with SCALANCE

United Kingdom
Security in Industrial Networks with SCALANCE

Sweden
Security in Industrial Networks with Simatic Net products 


Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
https://www.siemens.com/cybersecurity#Ouraspiration.
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