Security recommendations
SCALANCE S615
18
Operating Instructions, 10/2022, C79000-G8976-C389-07
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
Protocol/
Port number
Default port status Configurable
Authent-
ication
Encryption
2)
Local
access
External
access
1)
Port Servic
e
DHCPv4
Client
UDP/68
Closed
3)
Closed
--
✓
--
--
DHCPv6
Client
TCP/546
UDP/546
Open
Open
--
--
--
--
DHCPv4-
Server
UDP/67
Closed
Closed
4)
--
✓
--
--
DNS Client
TCP/53
UDP/53
Outgoing
only
Outgoin
g only
--
✓
--
--
DNS Server TCP/53
UDP/53
Open
5)
Closed
--
✓
--
--
DynDNS
TCP/80
UDP/80
TCP/443
UDP/443
Outgoing
only
Outgoin
g only
--
✓
✓
--
HTTP
TCP/80
Open
Closed
✓
✓
✓
--
HTTP Proxy TCP/3128
TCP/8080
Outgoing
only
Outgoin
g only
✓
✓
Optional
--
HTTPS WBM
Server/Client
TCP/443
Open
Closed
✓
✓
✓
✓