Security recommendations
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
12 Operating Instructions, 04/2020, C79000-G8976-C512-03
List of available protocols
All available protocols and their ports that are used with SIMATIC RF18xC, RF18xCI are
listed below.
Table 2- 1 List of available protocols
PROFINET UDP/34964
UDP/49152-
Open ✓ -- No No
OPC UA TCP/4840 Open ✓ ✓ Yes (when
Yes (when
EtherNet/IP TCP/44818
UDP/44818
Open ✓ -- No No
Explanation of the table:
● Authentication
Specifies whether authentication of the communication partner takes place.
● Encryption
Specifies whether the transfer is encrypted.