Siemens 6GK5738-1GY00-0AA0, Operating Instructions Manual

Page: 17 / 77

Security recommendations
SCALANCE W778-1 / W738-1
Operating Instructions, 03/2022, C79000-G8976-C450-07
17
Service Protocol / Port
number
Default port
status
Configurable Authentication Encryption
Port Service
DHCP Client IPv4 UDP/68 Outgoing only -- ✓ -- --
DHCP Client IPv6 UDP/546 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 Client UDP/1812 Outgoing only ✓ ✓ ✓ --
Remote Capture TCP/2002 Closed -- ✓ -- --
SFTP Client TCP/22 Closed ✓ ✓ ✓ ✓
SMTP Client TCP/25 Closed ✓ ✓ -- --
SMTP Client (secure)
1)
TCP/465 Closed ✓ ✓ ✓ ✓
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 ✓ ✓ -- --
Syslog (secure) Client TCP/6514 Closed ✓ ✓ -- ✓
Telnet TCP/23 Closed 1) /
Open 2)
✓ ✓ ✓ --
TFTP Client UDP/69 Outgoing only ✓ ✓ -- --
1) Only for SCALANCE W1700ac
2) Only for SCALANCE W700n