Siemens SIMATIC NET SCALANCE M874 Operating Instructions Manual page 77

Product functions
Configuration / management
Security
SCALANCE M874, M876
Operating Instructions, 02/2023, C79000-G8976-C331-12
Technical specifications
8.1 SCALANCE M874-2
M874-2
• Web Based Management (WBM) via HTTP and
HTTPS.
• Command Line Interface (CLI) via Telnet and
SSH
• Router with NAT function
– IP masquerading
– NAPT
– SourceNAT
– NETMAP
• Password protection
• Firewall function
– Port forwarding
– IP firewall with stateful packet inspection
(layer 3 and 4)
– Global and user-defined firewall rules
VPN functions
– To establish a VPN (Virtual Private Net‐
work), the following functions are available
– Up to 20 connections
– IPsec VPN, OpenVPN (as client)
• SINEMA RC client
• Proxy server
• Siemens Remote Service (SRS)
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