Siemens SCALANCE M800 Operating Instructions Manual page 13

Protocol Protocol/port
number
TFTP UDP/69
DynDNS TCP/80
Telnet TCP/23
Ping ICMP
RADIUS client UDP/1812
UDP/1813
TIA Portal Cloud TCP/9023
Connector
1)
(variable)
SMTP TCP/25
HTTP proxy TCP/variable Open
Only with SCALANCE M804PB
1)
SCALANCE M874, M876
Operating Instructions, 08/2018, C79000-G8976-C331-08
Port status Default port status
Local access
Open Closed
(only outgoing)
Open Closed
(only outgoing)
Open Open
(when configured)
Open Open
Open Closed
(when configured)
Open Open
(when configured)
Open Closed
(only outgoing)
Closed
(only outgoing)
Security recommendations
Authentication
External
access
Closed No
Closed No
Closed Yes
Closed No
Closed No
Closed No
Closed No
Closed No
Encryption
No
No
No
No
No
No
No
No
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