User guide
Chapter 1
Introduction
RUGGEDCOM ROS
User Guide
8 Available Services by Port
Services Port Number Port Open Port Default
Access
Authorized
Note
RSH TCP/512 Open
(configurable)
Closed Yes Only available
through two
management
interfaces.
TFTP UDP/69 Open
(configurable)
Closed No Only available
through two
management
interfaces.
SFTP TCP/22 Open Open Yes Only available
through two
management
interfaces.
SNMP UDP/161 Open
(configurable)
Closed Yes Only available
through two
management
interfaces.
SNTP UDP/123 Open - Always
might acts as
server
Open No Only available
through two
management
interfaces.
SSH TCP/22 Open Open Yes Only available
through two
management
interfaces.
ICMP — Open Open No
TACACS+ TCP/49
(configurable)
Open
(configurable)
Closed Yes
RADIUS UDP/1812
to send
(configurable),
opens random
port to listen to
Open
(configurable)
Closed Yes Only available
through two
management
interfaces.
Remote Syslog UDP/514
(configurable)
Open
(configurable)
Closed No Only available
through two
management
interfaces.
TCP Modbus (Server) TCP/502 Open Open No Only available
through two
management
interfaces.
TCP Modbus (Switch) TCP/502 Open
(configurable)
Closed No
DHCP, DHCP Agent UDP/67 sending
msg if enabled - if
received, always
come to CPU,
dropped if service
not configured
Open Open No
RCDP — Open
(configurable)
Closed Yes