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APPENDIX A: SPECIFICATIONS 139
TCP and UDP Ports Used
• HTTP, Port 80 – All requests received by Dominion KX II via HTTP (port 80) are
automatically forwarded to HTTPS for complete security. Dominion KX II responds to Port
80 for user convenience, relieving users from having to explicitly type “https://” in the URL
field to access Dominion KX II, but while still preserving complete security.
• HTTPS, Port 443 – This port is used for a single purpose only: to send the Dominion KX II
Web-accessible clients (KX II Console, MPC) to the user. No other communication occurs on
this port. If you do not wish to use the Dominion KX II Web-access capabilities and instead
prefer to use the installed client software provided on the CD-ROM, you can prevent access
to Port 443 via your firewall and Dominion KX II can still function.
• Dominion KX II (Raritan KVM-over-IP) Protocol, Configurable Port 5000 – With the
exception of the ports above, all communication to Dominion KX II occurs over a single,
configurable TCP Port. By default, this is set to Port 5000, but you may configure it to use
any TCP port of your choice (except 80 and 443). For details on how to configure this setting,
refer to
Network Settings.
• SNTP (Time Server) on Configurable UDP Port 123 (optional) – Dominion KX II offers
the optional capability to synchronize its internal clock to a central time server. This function
requires the use of UDP Port 123 (the standard for SNTP), but can also be configured to use
any port of your designation.
• LDAP on Configurable Ports 389 and 636 (optional) – If Dominion KX II is configured to
remotely authenticate user logins via the LDAP protocol, ports 389 and 636 will be used, but
the system can also be configured to use any port of your designation.
• RADIUS on Configurable Port 1812 (optional) – If Dominion KX II is configured to
remotely authenticate user logins via the RADIUS protocol, either port 1812 or 1813 will be
used, but the system can also be configured to use any port of your designation.
• RADIUS Accounting on Configurable Port 1813 – If Dominion KX II is configured to
remotely authenticate user logins via the RADIUS protocol, and also employs RADIUS
accounting for event logging, port 1813 or an additional port of your designation will be used
to transfer log notifications.
• SYSLOG on Configurable UDP Port 514 – If Dominion KX II is configured to send
messages to a Syslog server, then the indicated port(s) will be used for communication - uses
UDP Port 514.
• SNMP Default UDP Ports (optional) – Port 161 is used for inbound/outbound read/write
SNMP access and port 162 is used for outbound traffic for SNMP traps.
• UDP Port 21 – Port 21 is used for the Dominion KX II command line interface (when you
are working with Raritan Technical Support).