Protection; Overview Of The Protection Functions - Siemens SIMATIC S7-1500 System Manual

Protection

8.1

Overview of the protection functions

Introduction
This chapter describes the following functions for protecting the S7-1500 automation
system/ET 200MP distributed I/O system against unauthorized access:
Pro tection functions
Access protection
Know-how protection
Copy protection
Protection by locking the CPU/interface module
Further m easures for protecting the CPU
The following measures additionally increase the protection against unauthorized access to
functions and data of the S7-1500 CPU from external sources and via the network:
● Deactivation of the Web server
● Deactivation of the OPC UA server (you can find additional information on the security
mechanisms for OPC UA server in the Communication
(https://support.industry.siemens.com/cs/de/de/view/59192925/en) Function Manual)
● Deactivation of the time synchronization via an NTP Server
● Deactivation of the PUT/GET communication
When you use Web server, protect your S7-1500 automation system against unauthorized
access:
● By setting password-protected access rights for specific users in the user administration.
● By using the pre-set option "Permit access only via HTTPS".
The option allows access to the web server only with the secure hypertext transmission
protocol HTTPS.
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