Siemens SIMATIC NET SCALANCE MUM856-1 Operating Instructions Manual page 16

Security recommendations
2.2 Available services
Service
DHCPv4 Cli‐
ent
DHCPv6 Cli‐
ent
DHCPv4-
Server
DNS Client
DNS Server
DynDNS
HTTP
HTTP Proxy
HTTPS WBM
Server/Client
IPsec/IKE
NTP Client
NTP Client
(secure)
NTP Server
NTP Server
(secure)
OpenVPN
Ping
PROFINET
RADIUS Cli‐
ent
SFTP Server
Siemens Re‐
mote Serv‐
ice (cRSP/
SRS)
16
Protocol/ Default port status
Port number
Local access
UDP/68 Closed
3)
TCP/546 Open
UDP/546
UDP/67 Closed
TCP/53 Outgoing only Outgoing on‐
UDP/53
TCP/53 Open
5)
UDP/53
TCP/80 Outgoing only Outgoing on‐
UDP/80
TCP/443
UDP/443
TCP/80 Open
TCP/3128 Outgoing only Outgoing on‐
TCP/8080
TCP/443 Open
UDP/500 Closed
UDP/4500
UDP/123 Outgoing only Outgoing on‐
UDP/123 Outgoing only Outgoing on‐
UDP/123 Closed
UDP/123 Closed
UDP/1194 Outgoing only Outgoing on‐
TCP/1194
ICMP Open
UDP/34964 Open
UDP/49154
UDP/49155
UDP/1812 Closed
UDP/1813
TCP/22 Outgoing only Outgoing on‐
TCP/443 Outgoing only Outgoing on‐
Configurable
External ac‐ Port Serv‐
cess
1)
Closed --
Open --
Closed --
4)
--
ly
Closed --
--
ly
Closed ✓
✓
ly
Closed ✓
Closed --
✓
ly
✓
ly
Closed ✓
Closed ✓
✓
ly
Closed --
Closed --
Closed ✓
✓
ly
--
ly
Operating Instructions, 02/2023, C79000-G8976-C628-05
Authenti‐ Encryp‐
cation tion
ice
✓ -- --
-- -- --
✓ -- --
✓ -- --
✓ -- --
✓ ✓ --
✓ ✓ --
✓ Optional --
✓ ✓ ✓
✓ ✓ ✓
✓ -- --
✓ ✓ --
✓ -- --
✓ ✓ --
✓ ✓ ✓
✓ -- --
✓ -- --
✓ ✓ Optional
--
✓ ✓ ✓
✓ Optional ✓
SCALANCE MUM856-1
2)