ZyXEL Communications GS-4012 - Manual (Page 300)

Chapter 36 Access Control
GS-4012F/4024 User’s Guide
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Figure 184 Example: Lock Denoting a Secure Connection
36.9 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 185 Access Control: Service Access Control