Www Overview; Service Access Limitations - ZyXEL Communications NXC5200 User Manual

Table 183 Configuration > System > DNS > Add Service Control Rule (continued)
LABEL
Zone
Action
OK
Cancel

33.6 WWW Overview

The following figure shows secure and insecure management of the NXC coming in
from the WAN. HTTPS and SSH access are secure. HTTP, Telnet, and dial-in
management access are not secure.
Figure 219 Secure and Insecure Service Access From the WAN

33.6.1 Service Access Limitations

A service cannot be used to access the NXC when:
You have disabled that service in the corresponding screen.
1
The allowed IP address (address object) in the Service Control table does not
2
match the client IP address (the NXC disallows the session).
The IP address (address object) in the Service Control table is not in the allowed
3
zone or the action is set to Deny.
There is a firewall rule that blocks it.
4
NXC5200 User's Guide
DESCRIPTION
Select ALL to allow or prevent DNS queries through any zones.
Select a predefined zone on which a DNS query to the NXC is allowed or
denied.
Select Accept to have the NXC allow the DNS queries from the specified
computer.
Select Deny to have the NXC reject the DNS queries from the specified
computer.
Click OK to save your customized settings and exit this screen.
Click Cancel to exit this screen without saving
Chapter 33 System
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