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Appendices 85
Appendix D: Ports Used
Table D.1 lists the UDP and TCP port numbers used by the CPS appliance. The values assume a
default configuration; some values are configurable.
Table D.1: Ports Used by CPS Appliance
Port Type and Number Used for
TCP 22 SSH2, if enabled.
TCP 23 Telnet.
UDP 161 SNMP, if enabled.
TCP 3211 Secure protocol used by DSView software.
TCP 3001-3016 Telnet serial sessions with ports 1-16.
TCP 3101-3116 SSH serial sessions with ports 1-16.
TCP 3871 Secure protocol used by DSView software.