● 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