● Authentication
Specifies whether the communication partner is authenticated.
If optional, the authentication can be configured as required.
● Encryption
Specifies whether the transfer is encrypted.
If optional, the encryption can be configured as required.
Service
Protocol/port num‐
ber
Default port
status
Configurable
Authentication
Encryption
Port
Service
DHCP client
UDP/68
Outgoing only
--
✓
--
--
DHCP server
UDP/67
Closed
--
✓
--
--
DNS client
TCP/53
UDP/53
Outgoing only
--
✓
--
--
EthernetIP
TCP/44818,
UDP/2222
UDP/44818
Closed
--
✓
--
--
HTTP
TCP/80
Open
✓
✓
✓
--
HTTPS
TCP/443
Open
✓
✓
✓
✓
NTP Client
UDP/123
Outgoing only
✓
✓
--
--
PROFINET
UDP/34964
UDP/49154
UDP/49155
Open
--
✓
--
--
RADIUS
UDP/1812
Closed
✓
✓
✓
--
Remote Capture
TCP/2002
Closed
--
✓
--
--
SFTP client
TCP/22
Closed
✓
✓
✓
✓
SMTP client
TCP/25
Closed
✓
✓
--
--
SMTP (secure) - Client TCP/465
Closed
✓
✓
Optional
✓
SNMPv1/V2c
UDP/161
Open
✓
✓
--
--
SNMPv3
UDP/161
Open
✓
✓
Optional
Optional
SNMP traps
UDP/162
Outgoing only
--
✓
--
--
SNTP Client
UDP/123
Outgoing only
✓
✓
--
--
SSH
TCP/22
Open
✓
✓
✓
✓
Syslog Client
UDP/514
Closed
✓
✓
--
--
Telnet
TCP/23
Open
✓
✓
✓
--
TFTP client
UDP/69
Closed
✓
✓
--
--
DCP
--
Open
--
✓
--
--
LLDP
--
Open
--
✓
--
--
RSTP
--
Open
--
✓
--
--
iPRP
--
Open
--
✓
--
--
MSTP
--
Closed
--
✓
--
--
IPv6
--
Closed
--
✓
--
--
SIMATIC NET TIME
--
Closed
--
✓
--
--
Security recommendations
SCALANCE W1780/W1740 according to IEEE 802.11ac Web Based Management
32
Configuration Manual, 11/2019, C79000-G8976-C485-03