Online Security Diagnostics Via Port 8448; Online Functions And Teleservice - Siemens CP 1243-1 Operating Instructions Manual

6.2

Online security diagnostics via port 8448

Security diagnostics without opening port 102
If you want to perform security diagnostics without opening port 102, follow the steps below:
1. Select the CP in STEP 7.
2. Open the "Online & diagnostics" shortcut menu.
3. In the parameter group "Security" click the "Connect online" button.
In this way you perform the security diagnostics via port 8448.
See also
Settings for online security diagnostics and downloading to station with the firewall activated
(Page 68)
6.3

Online functions and TeleService

Online functions and TeleService
Along with STEP 7 on the engineering station (ES) the CP provides various diagnostics and
maintenance functions under the following terms:
● Online functions
Access from the ES to the station via LAN
Requirement: The ES and the CP are located in the same subnet.
● TeleService
Access from the ES to the station via WAN (Internet)
Requirement: The CP is connected to the telecontrol server and can be reached via this
path Refer to the information in section Access to the Web server (Page 115).
For a remote station located in a different IP subnet or that can be reached via the
Internet, these functions can only be used if the ES (with CP 1628 or via SCALANCE S)
is connected to the station via a VPN tunnel.
Connections between a CP and telecontrol server for transferring user data are not
interrupted by a TeleService-connection.
The functions and the connection establishment are largely the same with the online
functions and TeleService.
CP 1243-1
Operating Instructions, 04/2017, C79000-G8976-C365-03
Diagnostics and upkeep
6.2 Online security diagnostics via port 8448
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