List of Open Ports

Table 2-3 lists some of the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports that the Cisco CDA uses for communication with client devices and Active Directory domain controllers. These ports are open by default on the Cisco CDA.

Table 2-3 List of Default Open Ports on the Cisco CDA

Port No.

Protocol

Service

22

TCP

The Secure Shell (SSH) Protocol

80

TCP

HTTP (Web GUI, redirected to HTTPS)

123

UDP

NTP

443

TCP

HTTPS (Secure web GUI)

1645

UDP

RADIUS

1646

UDP

RADIUS

1812

UDP

RADIUS

1813

UDP

RADIUS Accounting

The following ports are open for internal communication between the Cisco CDA processes, but blocked for access from outside the appliance by the Linux firewall:

 • 8005

 • 8009

 • 8020

 • 8090

 • 8091

 • 8092

 • 8093