Avocent DSR Series, Installer/User Manual, Page: 24 / 240

Table 2.2: TCP Ports and Functions for the DSR Switch On-Board Web Interface
TCP Port Number Function
80 Used for the initial downloading of the Avocent Video Viewer (for downloading the
Java applet)
443 Used by the web browser interface for managing the DSR switch and launching
KVM sessions
2068 Transmission of KVM session data (mouse & keyboard) or transmission of video on x030
and x035 model DSR switches
8192 Transmission of KVM session data (video) except for x030 and x035 model
DSR switches
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DSR Switch Installer/User Guide
In a typical configuration, as shown in Figure 2.3, the user’s computer is located outside of the
firewall, and the DSR switch resides inside the firewall.
1
2
3
5
4
Figure 2.3: Typical DSR Switch Firewall Configuration