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Page 41 / 94 Scroll up to view Page 36 - 40
³1
D-Link DIR-6±5 User Manual
Section ² - Configuration
SPI (Stateful Packet Inspection, also known as dynamic packet
filtering) helps to prevent cyber attacks by tracking more state per
session. It validates that the traffic passing through the session
conforms to the protocol.
Select one of the following for TCP and UDP ports:
Endpoint Independent
- Any incoming traffic sent to an open port
will be forwarded to the application that opened the port. The port
will close if idle for 5 minutes.
Address Restricted
- Incoming traffic must match the IP address
of the outgoing connection.
Address + Port Restriction
- Incoming traffic must match the IP
address and port of the outgoing connection.
If an application has trouble working from behind the router, you
can expose one computer to the Internet and run the application
on that computer.
Note:
Placing a computer in the DMZ may expose that computer to
a variety of security risks. Use of this option is only recommended
as a last resort.
Specify the IP address of the computer on the LAN that you want to
have unrestricted Internet communication. If this computer obtains
it’s IP address automatically using DHCP, be sure to make a static
reservation on the Basic > DHCP page so that the IP address of
the DMZ machine does not change.
Enable SPI:
NAT Endpoint
Filtering:
Enable DMZ Host:
IP Address:
Firewall Settings
A firewall protects your network from the outside world. The D-Link DIR-625 offers a firewall type functionality. The SPI
feature helps prevent cyber attacks. Sometimes you may want a computer exposed to the outside world for certain
types of applications. If you choose to expose a computer, you cam enable DMZ. DMZ is short for Demilitarized Zone.
This option will expose the chosen computer completely to the outside world.
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Page 42 / 94
³±
D-Link DIR-6±5 User Manual
Section ² - Configuration
Application Level Gateway (ALG) Configuration
Here you can enable or disable ALG’s. Some protocols and applications require special handling of the IP payload to
make them work with network address translation (NAT). Each ALG provides special handling for a specific protocol
or application. A number of ALGs for common applications are enabled by default.
Allows multiple machines on the LAN to connect to their corporate network using PPTP protocol.
Allows multiple VPN clients to connect to their corporate network using IPSec. Some VPN clients support traversal of IPSec
through NAT. This ALG may interfere with the operation of such VPN clients. If you are having trouble connecting with your
corporate network, try turning this ALG off. Please check with the system adminstrator of your corporate network whether
your VPN client supports NAT traversal.
Allows applications that use Real Time Streaming Protocol to receive streaming media from the internet. QuickTime and
Real Player are some of the common applications using this protocol.
Allows all of the Windows/MSN Messenger functions to work properly through the router.
Allows FTP clients and servers to transfer data across NAT. Refer to the Advanced > Virtual Server page if you want to
host an FTP server.
Allows Microsoft NetMeeting clients to communicate across NAT. Note that if you want your buddies to call you, you should
also set up a virtual server for NetMeeting. Refer to the Advanced > Virtual Server page for information on how to set up
a virtual server.
Allows devices and applications using VoIP (Voice over IP) to communicate across NAT. Some VoIP applications and devices
have the ability to discover NAT devices and work around them. This ALG may interfere with the operation of such devices.
If you are having trouble making VoIP calls, try turning this ALG off.
Allows Ethernet network adapters with Wake-On-LAN (WOL) to function.
Allows Windows Media Player, using MMS protocol, to receive streaming media from the Internet.
PPTP:
IPSEC (VPN):
RTSP:
MSN Messenger:
FTP:
H.323
(Netmeeting):
SIP:
Wake-On-LAN:
MMS:
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Page 43 / 94
³²
D-Link DIR-6±5 User Manual
Section ² - Configuration
Set the transmit power of the antennas.
Beacons are packets sent by an Access Point to
synchronize a wireless network. Specify a value.
100 is the default setting and is recommended.
This value should remain at its default setting of
2432. If inconsistent data flow is a problem, only a
minor modification should be made.
The fragmentation threshold, which is specified
in bytes, determines whether packets will be
fragmented. Packets exceeding the 2346 byte
setting will be fragmented before transmission. 2346
is the default setting.
(Delivery Traffic Indication Message) 3 is the default
setting. A DTIM is a countdown informing clients
of the next window for listening to broadcast and
multicast messages.
This enables 802.11d opration. 802.11d is a wireless specification developed to allow implementation of wireless networks in
countries that cannot use the 802.11 standard. This feature should only be enabled if you are in a country that requires it.
WMM is QoS for your wireless network. Enable this option to improve the quality of video and voice applications for your
wireless clients.
Check this box to reduce the guard interval time therefore increasing the data capacity.
However, it’s less reliable and may
create higher data loss.
Transmit Power:
Beacon Period:
RTS Threshold:
Fragmentation
Threshold:
DTIM Interval:
802.11d:
WMM Function:
Short GI:
Advanced Wireless Settings
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Page 44 / 94
³³
D-Link DIR-6±5 User Manual
Section ² - Configuration
To use the Universal Plug and Play (UPnP
™
)
feature click on
Enabled
. UPNP provides
compatibility with networking equipment, software
and peripherals.
Unchecking the box will not allow the DIR-625 to
respond to pings. Blocking the Ping may provide
some extra security from hackers. Check the box
to allow the Internet port to be “pinged”.
You may set the port speed of the Internet port
to 10Mbps, 100Mbps, or auto. Some older cable
or DSL modems may require you to set the port
speed to 10Mbps.
Check the box to allow multicast traffic to pass
through the router from the Internet.
UPnP Settings:
Internet Ping:
Internet Port
Speed:
Multicast
streams:
Advanced Network Settings
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Page 45 / 94
³5
D-Link DIR-6±5 User Manual
Section ² - Configuration
Enter a new password for the Administrator Login Name. The
administrator can make changes to the settings.
Enter the new password for the User login. If you login as
the User, you can only see the settings, but cannot change
them.
Enter a name for the DIR-625 router.
Remote management allows the DIR-625 to be configured
from the Internet by a web browser. A username and
password is still required to access the Web-Management
interface. In general, only a member of your network can
browse the built-in web pages to perform Administrator tasks.
This feature enables you to perform Administrator tasks from
the remote (Internet) host.
The port number used to access the DIR-625.
Example: http://x.x.x.x:8080 whereas x.x.x.x is the Internet
IP address of the DIR-625 and 8080 is the port used for the
Web Management interface.
This section will list any rules that are created. You may click
the
Edit
icon to change the settings or enable/disable the
rule, or click the
Delete
icon to remove the rule.
Admin Password:
User Password:
Gateway Name:
Remote
Management:
Remote Admin
Port:
Inbound Filter:
Administrator Settings
This page will allow you to change the Administrator and User passwords. You can also enable Remote Management.
There are two accounts that can access the management interface through the web browser. The accounts are admin
and user. Admin has read/write access while user has read-only access. User can only view the settings but cannot
make any changes. Only the admin account has the ability to change both admin and user account passwords.
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