Siemens SIMATIC NET ET 200SP Operating Instructions Manual page 10

Table of contents
4.4.3 Access to the Web server ...................................................................................................... 57
4.5 Time-of-day synchronization .................................................................................................. 57
4.6 DNS configuration .................................................................................................................. 59
4.7 Communication with the CPU ................................................................................................ 59
4.8 SNMP ..................................................................................................................................... 61
4.9 Security (CP 1543SP-1) ......................................................................................................... 62
4.9.1 Security user .......................................................................................................................... 62
4.9.2 Firewall ................................................................................................................................... 62
4.9.2.1 Pre-check of messages by the MAC firewall. ........................................................................ 62
4.9.2.2 Settings for online security diagnostics and downloading to station with the firewall
activated ................................................................................................................................. 63
4.9.2.3 Notation for the source IP address (advanced firewall mode) ............................................... 63
4.9.2.4 Firewall settings for S7 connections via a VPN tunnel .......................................................... 64
4.9.3 Log settings - Filtering of the system events ......................................................................... 64
4.9.4 E-mail configuration ............................................................................................................... 64
4.9.5 VPN ........................................................................................................................................ 65
4.9.5.1 VPN (Virtual Private Network) ................................................................................................ 65
4.9.5.2 SINEMA Remote Connect ..................................................................................................... 67
4.9.5.3 Creating a VPN tunnel for S7 communication between stations ........................................... 70
4.9.5.4 VPN communication with SOFTNET Security Client (engineering station) ........................... 71
4.9.5.5 Establishment of VPN tunnel communication between the CP and SCALANCE M ............. 72
4.9.5.6 CP as passive subscriber of VPN connections ...................................................................... 72
4.9.6 SNMP ..................................................................................................................................... 73
4.9.7 Certificate manager ................................................................................................................ 74
4.10 Messages: E-mails (CP 1543SP-1) ....................................................................................... 75
5 Program blocks ..................................................................................................................................... 81
5.1 Program blocks for OUC ........................................................................................................ 81
5.2 Changing the IP parameters during runtime .......................................................................... 84
5.3 MODBUS blocks .................................................................................................................... 85
6 Diagnostics and maintenance ............................................................................................................... 87
6.1 Diagnostics options ................................................................................................................ 87
6.2 Online security diagnostics via port 8448 (CP 1542SP-1 IRC, CP 1543SP-1) ..................... 90
6.3 Diagnostics with SNMP .......................................................................................................... 90
6.4 Web server of the CPU .......................................................................................................... 93
6.5 Processing status of e-mails (CP 1543SP-1) ........................................................................ 95
6.6 Downloading firmware ........................................................................................................... 97
6.7 Module replacement .............................................................................................................. 98
7 Technical specifications ........................................................................................................................ 99
A Approvals ............................................................................................................................................ 101
B Dimension drawings ............................................................................................................................. 107
C Accessories ......................................................................................................................................... 109
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Operating Instructions, 12/2019, C79000-G8976-C426-05
CP 154xSP-1