D-Link DSL-2750U User Manual page 82

4.5.3.2 Services
In the Access Controls page, click Services. The page shown in the following
figure appears.
In this page, you can enable or disable the services that are used by the remote
host. For example, if telnet service is enabled and port is 23, the remote host
can access the device by telnet through port 23. Normally, you need not change
the settings.
Select the management services that you want to enable or disable on the LAN
or WAN interface.
Click Apply to apply the settings.
Note:
If you disable HTTP service, you cannot access the configuration page of
the device any more.
DSL-2750U User Manual
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