Network structures and network configuration
2.4 Network security
Industrial Ethernet
System Manual, 09/2019, C79000-G8976-C242-10
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SCALANCE M
The following SCALANCE M industry routers ensure protected remote access via public and
private networks and support firewall and VPN functionality:
● SCALANCE M804PB (connection of existing machines and plants via PROFIBUS/MPI)
● SCALANCE M812-1 (ADSL router)
● SCALANCE M816-1 (ADSL router, 4-port switch)
● SCALANCE M826-2 (SHDSL router, 4-port switch)
● SCALANCE M874-2 (2.5G router)
● SCALANCE M874-3 (HSPA+, 2-port switch)
● SCALANCE M876-3 (HSPA+/EV-DO, 4-port switch)
● SCALANCE M876-4 (LTE, 4-port switch)
Modules for S7 systems
The following modules for SIMATIC S7 systems have security properties:
● CP 1243-1
● CP 1243-7
● CP 1243-8
● CP 1543-1
● CP 1542SP-1 IRC
● CP 1543SP-1
● CP 1545-1
● CP 343-1 advanced
● CP 443-1 Advanced
Modules for PCs
With the module CP 1628, it is also possible to access networks or automation cells
protected by security modules from a PC.
Softnet security client
The Softnet security client allows secure remote access to security modules and the
programmable controllers behind via a public network. The function of the program is based
on an IPsec tunnel connection in the VPN (Virtual Private Network).
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