Table of contents
CP 1543-1
8
Operating Instructions, 12/2019, C79000-G8976-C289-08
4.6
DNS configuration .................................................................................................................. 42
4.7
FTP communication ............................................................................................................... 42
4.7.1
FTP server ............................................................................................................................. 42
4.7.1.1
Configuring the FTP server function ...................................................................................... 42
4.7.2
FTP client ............................................................................................................................... 45
4.7.2.1
The program block FTP_CMD (FTP client function) .............................................................. 45
4.7.2.2
Input parameter - FTP_CMD .................................................................................................. 47
4.7.2.3
Job blocks for FTP_CMD ....................................................................................................... 49
4.7.2.4
Output parameters and status information FTP_CMD........................................................... 54
4.7.2.5
Structure of the data block (file DB) for FTP client operation ................................................ 58
4.8
Security .................................................................................................................................. 61
4.8.1
Security user .......................................................................................................................... 61
4.8.2
VPN ........................................................................................................................................ 61
4.8.2.1
Creating VPN tunnel communication between S7-1500 stations .......................................... 63
4.8.2.2
Establishment of VPN tunnel communication between the CP and SCALANCE M ............. 65
4.8.2.3
VPN tunnel communication with SOFTNET Security Client .................................................. 65
4.8.2.4
CP as passive subscriber of VPN connections ...................................................................... 65
4.8.3
Firewall ................................................................................................................................... 66
4.8.3.1
Firewall sequence when checking incoming and outgoing frames ........................................ 66
4.8.3.2
Notation for the source IP address (advanced firewall mode) ............................................... 66
4.8.3.3
HTTP and HTTPS not possible with IPv6 .............................................................................. 66
4.8.3.4
Firewall settings for connections via a VPN tunnel ................................................................ 67
4.8.4
Online functions ..................................................................................................................... 67
4.8.4.1
Settings for online security diagnostics and downloading to station with the firewall
activated ................................................................................................................................. 67
4.8.4.2
Online security diagnostics via port 8448 .............................................................................. 68
4.8.5
Log settings - Filtering of the system events ......................................................................... 68
4.9
Program blocks for OUC ........................................................................................................ 68
5
Diagnostics and upkeep .......................................................................................................................... 71
5.1
Diagnostics options ................................................................................................................ 71
5.2
Connect online ....................................................................................................................... 72
5.3
Diagnostics with SNMP .......................................................................................................... 73
5.4
Update firmware ..................................................................................................................... 75
5.5
Replacing a module without a programming device .............................................................. 78
6
Technical specifications ........................................................................................................................... 79
6.1
Technical specifications of the CP ......................................................................................... 79
6.2
Pinout of the Ethernet interface ............................................................................................. 80
6.3
Permitted cable lengths - Ethernet......................................................................................... 80
6.4
Permitted cable lengths - Gigabit Ethernet ............................................................................ 80
7
Approvals ................................................................................................................................................. 81
Index ........................................................................................................................................................ 87
