Siemens SCALANCE M876-4 User Manual

Security recommendations
SCALANCE M874, M876
12 Operating Instructions, 08/2018, C79000-G8976-C331-08
●
Factory setting
– Open
The factory setting of the port is "Open".
– Closed
The factory setting of the port is "Closed".
●
Authentication
Specifies whether or not the protocol is authenticated during access.
Protocol
Protocol/port
number
Port status
Default port status
Authentication
Encryption
Local access
External
access
SSH
SFTP
TCP/22 Open
(when configured)
Open Closed Yes Yes
HTTP
TCP/80 Open
(when configured)
Open Closed Yes No
HTTPS
TCP/443 Open Open Closed Yes Yes
SNTP
UDP/123 Open
(only outgoing)
Closed Closed No No
SNMP v1/v3
UDP/161 Open
(when configured)
Open Closed Yes Yes (when con-
figured)
DNS server
TCP/53 Open
(when configured)
Open Closed No No
DNS client
UDP/53 Open
(when configured)
Open Closed No No
Syslog
UDP/514 Open
(only outgoing)
Closed Closed No No
IPsec/IKE
UDP/500
UDP/4500
Open
(when configured)
Closed Open Yes Yes
DHCP server
UDP/67 Open
(when configured)
Open Closed No No
DHCP Client
UDP/68 Open
(when configured)
Open Closed No No
NTP client
UDP/123 Open
(only outgoing)
Closed Closed No No
NTP server
UDP/123
Open
Closed
Closed
No
No
Siemens Remote
Service
(cRSP/SRS)
TCP/443 Open
(only outgoing)
Closed Closed Yes Yes
PROFINET
UDP/34964
Open
Open
Open
No
No
OpenVPN to
SINEMA RC
TCP, UDP
depending
on server
config [only
with Key-
Plug]
Open
(only outgoing)
Closed Closed Yes Yes

Siemens SCALANCE M876-4 Specifications

General

Brand	Siemens
Model	SCALANCE M876-4
Category	Network Router
Language	English