ZyXEL Communications GS-2750 - Manual (Page 275)

Chapter 32 Access Control
GS-2750 User’s Guide
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Figure 162 Example: Lock Denoting a Secure Connection
32.9 Service Port Access Control
Service Access Control allows you to decide what services you may use to access the Switch.
You may also change the default service port and configure “trusted computer(s)” for each
service in the Remote Management screen (discussed later). Click Access Control to go
back to the main Access Control screen.
Figure 163 Management > Access Control > Service Access Control