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Using the Configuration Menu
Advanced > Filter > Domain Blocking
Use Domain Blocking to allow or deny computers access to specific Internet domains
whether it is through www, ftp, snmp, etc.
Disabled Domain Blocking
Select this option if you do not want to use Domain Blocking.
Allow users to access all domains except “Blocked Domains”
Select this option to allow users to access the specified Internet domains listed below.
Users will be denied access to all other Internet domains.
Deny users to access all domains except “Permitted Domains”
Select this option to deny users to access the specified Internet domains listed below.
Users will be allowed access to all other Internet domains.
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47
Using the Configuration Menu
Advanced > Firewall
Firewall Rules is an advance feature used to allow or deny traffic from passing through
the device. It works in the same way as IP Filters with additional settings. You can
create more detailed rules for the device.
Enabled or Disabled
Click
Enabled
to apply the filter policy or click
Disabled
to enter an inactive filter policy
(You can reactivate the policy later).
Name
Enter the name of the Firewall Rule.
Action
Select Allow or Deny to allow or deny traffic to pass through the DI-824VUP+.
Source
Choose between a LAN or WAN source. An asterisk signifies the selection of both sources.
IP Start
The starting IP address for the filter policy. Leaving the field blank selects all IPs.
IP End
The ending IP address for the filter policy. Leaving the field blank sleects all IPs.
Destination
Choose between a LAN or WAN destination. An asterisk signifies the selection of both
destinations.
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48
Using the Configuration Menu
Advanced > Firewall
Continued
Schedule
Select
Always
, or choose
From
and enter the time period during which the virtual service
will be available.
IP Address
Enter in the IP address range of the computers that you want the policy to apply to.
If it
is only a single computer that you want the policy applied to, then enter the IP address of
that computer in the Start Source IP and leave the End Source IP blank.
Port Range
Enter in the port range of the TCP/UDP ports that you want the policy to apply to.
If it is
only a single port
that you want the policy applied to, then enter the port number in the
Start Port
field and leave the End Port field blank.
If you want to use all the ports, you can
leave the port range empty.
Protocol
Select one of the following protocols: TCP, UDP, or ICMP.
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49
Using the Configuration Menu
Advanced > SNMP
SNMP (Simple Network Management Protocol) is a widely used network monitoring and
control protocol that reports activity on each network device to the administrator of the
network. SNMP can be used to monitor traffic and statistics of the DI-824VUP+. The DI-
824VUP+ supports SNMP v1 or v2c.
Enable SNMP
Get Community
(Simple Network Management Protocol.)
Enter the password
public
in this field to allow “Read only”
access to network administration using SNMP.
You can view
the network, but no configuration is possible wth this setting.
Set Community
Enter the password
private
in this field to gain “Read and Write”
access to the network using SNMP software.
The administra-
tor can configure the network with this setting.
Local
Remote
WAN (Wide Area Network).
LAN (Local Area Network).
SNMP v1
Simple Network Management Protocol (SNMP) is an application
layer protocol that facilitates the exchange of management infor-
mation between nework devices.
SNMP v2
Enhanced version of SNMP v1 with additional protocol opera-
tions such as UDP, IP, CLNS, DDP, and IPX.
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Using the Configuration Menu
Advanced > DDNS
DDNS (Dynamic Domain Name System) keeps dynamic IP addresses (
e.g.
, IP
addresses assigned by a DHCP capable router or
server) linked to a domain name.
Users who have a Dynamic DNS account may use this feature on the DI-824VUP+.
DDNS
When an IP address is automatically assigned by a DHCP server,
DDNS automatically updates the DNS server.
Select
Disabled
or
Enabled
.
Provider
Select from the pull-down menu.
Host Name
Enter the Host name.
Username/Email
Enter the username or email address.
Password/Key
Enter the password or key.

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