Configuring with Web Based Management 
  4.4 "System" menu 
SCALANCE SC-600 Web Based Management (WBM) 
Configuration Manual, 10/2021, C79000-G8976-C475-03 
195 
 
Requirement 
•  To receive the NTP frames, enable the entry "System Time" under "Security > 
Firewall > Predefined IPv4 rules". 
Description  
The page contains the following boxes: 
•  NTP Server 
Enable or disable the service of the NTP server.  
Note 
SNTP Client in Listen mode and NTP Server cannot be enabled at the same 
time. 
•  Interface 
Specify the interface via which the time is transferred using NTP. 
The table has the following columns: 
•  Select 
Select the row you want to delete. 
•  Interface 
Via this interface the time is transferred using NTP. 
•  Listen 
When enabled, the other devices can call up the time via this interface.  
•  Server Port 
Enter the port of the NTP server. 
The following ports are possible: 
–  123 (standard port) 
–  1025 to 36564 
•  Secure 
When this is enabled, the NTP server becomes an NTP server of the type "NTP 
(secure)".