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In computer networks, a DMZ (demilitarized zone) is a computer host or small network inserted as a neutral zone between outside a private network and public network companies. It prevents outside users get direct access to a server, enterprise data. (The term comes from the geographic buffer zone between North Korea and South Korea after the action of the United Nations police in the 1950s.) Is a DMZ set up an optional and more secure approach to a server securely and effectively acts as a proxy server when.

In a typical configuration of a DMZ for a small company, a separate computer (or host in network terms) requests from users to access private network of web sites or other undertaking is open to the public. The DMZ host then initiates sessions for these requests on the public.
can, however, is the DMZ host does not log in to the private network. You can only packets that were requested.

The public network users outside the company can access the DMZ host. The DMZ usually include information on Web pages, so that it can be covered with the outside world. However, the zone does not allow access to data from another company. When an external user in the DMZ hosts security, Web pages can be damaged, but no information about the society of those suspended. D-Link, a leading manufacturer of routers, a company that sells products for the creation of a demilitarized zone.

Tags: DMZ, log, router, Security

To host an FTP server behind a router D-Link, you must open port 20 (TCP) and 21 (TCP) in the router and point to the computer with the FTP server software. In addition, you can configure your FTP client to passive mode to use. Internet users should access the router’s WAN IP address to your FTP server software and configure your client in passive mode.

For the D-Link DI-514, DI-524, DI-604 (US only), DI-614+, DI-624, DI-704P(revC), DI-754, DI-764, DI-774, and DI-784:

Step 1: Open a web browser like Internet Explorer and enter the IP address of the router (192.168.0.1). Enter the name admin () and password blank ().

Step 2: Click Advanced, then Firewall.

Step 3: Create a rule in the firewall: Click Enabled.
Enter a name (ftp).
Click Allow.

Source of this page, select the WAN interface. In the first field, enter an *. Leave the second box empty.
Depending on the destination, choose the LAN interface. Enter the IP address of the computer on the FTP server. Leave the second box empty.

Under the Protocol, select TCP. In the beach areas of Port, type 20 in the first zone and 21 in the second box.

Step 4: Click Apply and then Continue to save settings.

Tags: D-Link Router, di-524, Firewall, IP address, router

Some pepole using a D-Link Lan-switch such as D-Link DES-1228P,he can’t share Internet connection,If you are connecting directly to a Cable or DSL modem, you will need a router to share your Internet connection or a computer using ICS (Internet Connection Sharing) or Proxy. Switches and hubs do not allow you to share a single IP address to multiple computers.

Another alternative is to contact your ISP and purchase extra IP addresses for each additional computer.

Here for a list of D-Link Routers : http://www.dlink.com/solutionFlashes/?type=1&rid=64

Tags: DES-1228P, Internet connection, router, switch

D-Link DIR-655 Xtreme N Gigabit Router,I found a online address Emulator:

step1: Enter : http://support.dlink.com/Emulators/dir655/,Choose a dir-655 image you want to see.

step 2: Enter the login button ,username is Admin,password is Blank.

step 3: After you enter the  login button,you can see the D-Link dir-655 web control management.

Tags: DIR-655, Emulator, router

Make sure you disable or uninstall any PPPoE software such as WinPoet, Broadjump, or Enternet 300 from your computer or you will not be able to connect to the Internet. Do not disable until you´ve downloaded the firmware in Step 1. Please make sure that your modem is not also a router. If it is or you do not know, please contact your ISP and change the modem to Bridge mode.

Step 1: Log into the web-based configuration by typing in the IP address of the router (default:192.168.0.1) in your web browser. Select Admin as the username and type in your password. Leave blank if you have not created or changed your password.

Note: The address 192.168.0.1 is NOT on the Internet. The web-based configuration is built-in to the router.

If the router is already online, you will be taken to the STATUS page after logging in. If this is the case, the router is connected and you do not need to continue with this FAQ.

Step 2: Click the Setup tab and then click Internet on the left side.

Step 3: Click on the Manual Configure button.

Step 4: Select PPPoE (username/password) from the My Internet Connection is drop down menu and enter the following settings:

# Address Mode: Select the Dynamic IP radio button, unless your ISP (Internet Service Provider) supplied you with a static IP address.
# Username and Password: Enter the username and password your ISP gave you. In most cases your username is the same as your email address provided by your internet provider (example: yourname@yourisp.com).
# Reconnect Mode: Should be set to On Demand
# MTU and Maximum Idle Time: Should be left at the defaults (MTU: 1492 / Maximum Idle Time: 20) unless specifically instructed otherwise by your ISP.

Step 5: Click on the Save Setting button to save the changes.

If you are connected to the Internet; your Cable Status and Network Status will say Connected,you will have an IP Address, Subnet mask, Default Gateway, Primary DNS Server and Secondary DNS Server. If you do not, click on the Renew Button.

Step 6: Click on Status tab and Device Setting on the left side.

Tags: PPPoE, router