Siemens SCALANCE S615 Operating Instructions Manual page 18

Security recommendations
List of available services
The following is a list of all available protocols and services as well as their ports through
which the device can be accessed.
The table includes the following columns:
• Service
The services that the device supports.
• Protocol / Port number
Port number assigned to the protocol.
• Default port status
The port status on delivery (factory setting) distinguishes between local and external
access.
– Local access: The port is accessed via a local connection (vlan1).
– External access: The port is accessed via an external connection (vlan2).
• Configurable port/service
Indicates whether the port number or the service can be configured via WBM / CLI.
• Authentication
Specifies whether an authentication of the communication partner takes place or whether
an authentication can be configured.
• Encryption
Specifies whether the transfer is encrypted or whether the encryption can be configured.
Service
DHCPv4
Client
DHCPv6
Client
DHCPv4-
Server
DNS Client
DNS Server
DynDNS
HTTP
HTTP Proxy
HTTPS WBM
Server/Client
18
Protocol/ Default port status
Port number
Local
access
UDP/68 Closed
3)
TCP/546 Open
UDP/546
UDP/67 Closed
TCP/53 Outgoing
UDP/53 only
TCP/53 Open
5)
UDP/53
TCP/80 Outgoing
UDP/80 only
TCP/443
UDP/443
TCP/80 Open
TCP/3128 Outgoing
TCP/8080 only
TCP/443 Open
Configurable
External Port Servic
access e
1)
Closed -- ✓
Open -- --
Closed -- ✓
4)
Outgoin -- ✓
g only
Closed -- ✓
Outgoin -- ✓
g only
Closed ✓ ✓
Outgoin ✓ ✓
g only
Closed ✓ ✓
Operating Instructions, 10/2022, C79000-G8976-C389-07
Authent- Encryption
ication
2)
-- --
-- --
-- --
-- --
-- --
✓ --
✓ --
Optional --
✓ ✓
SCALANCE S615