ZyXEL Communications ES-3124 - Manual (Page 256)

Chapter 30 Access Control
ES-3124 Series User’s Guide
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Figure 154 Example: Lock Denoting a Secure Connection
30.9 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 155 Management > Access Control > Service Access Control