Cisco Systems E1200 manual How to expose a device to the Internet, To set up a device in the DMZ

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Linksys E-Series

You can extend your network by turning the downstream router into an access point.. (See “How to use a router as an access point” on page 36).. When you use a router as an access point, computers connected to the access point are on the same IP subnet as all other devices connected to the router.. File, printer, and media sharing is much easier if all devices are on the same subnet..

How to expose a device to the Internet

For ALL

Why would I expose a device to the Internet? If you are operating a web server, a mail server, or a web camera, you may want to expose that device to the Internet so anybody can access it.. Your router includes a DMZ (Demilitarized Zone) feature that forwards all inbound ports presented on the WAN interface, except those that are specifically forwarded, to an individual IP address or MAC address.. This feature is normally not used, because it presents significant security risks to the device that you designate for the DMZ.. The DMZ device is not protected by the built-in firewalls, Internet filters, or router web filters, and is open to attacks from hackers..

A much better way of “exposing” devices to the Internet would be to use port forwarding.. See “How to set up port forwarding” on page 57..

To set up a device in the DMZ:

Applications & Gaming > DMZ

1.Configure your device with a static IP address.. See your device’s documentation for help with setting a static IP address or use DHCP reservation (see “How to set up the DHCP server on your router” on page 29)..

2.Log into the browser-based utility (see “How to open the browser-based utility” on page 25)..

3.Click the Applications & Gaming tab, then click the DMZ page..

4.Select Enabled..

Setting Up: Advanced

5.In the Source IP Address section, select Any IP Address to allow access to your DMZ device from the entire Internet, or select the source range button and enter a range of allowed source addresses..

6.In the Destination section, enter the last three digits of the IP address of the device that will be in the DMZ.. The rest of the IP address is already completed..

7.Click Save Settings to apply your changes..

If you prefer to specify the 12-digit MAC address of the device you want to place in the DMZ instead of setting up a DHCP address reservation, you can replace Step 6 with the following steps:

a.Click Enabled..

b.In the Source IP Address section, select Any IP Address (default) to allow access to your DMZ device from the entire Internet, or select the source range button and enter a range of allowed source addresses..

c.In the Destination section, select MAC Address, then click DHCP Client Table.. A separate window opens showing the current DHCP client list..

Tip

The DHCP Client Table is only available if you select MAC Address..

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Contents User Guide Linksys E-Series E900 Contents Browser-based Utility Menu Structure E1200/E1500 Contents E1200/E1500 Contents E2500 Contents E2500 Contents E3200 Contents Browser-based Utility Menu Structure E4200 Contents Using an External Drive Maintaining and Monitoring Package contents FeaturesProduct overview E900Back view Port activity indicatorBottom view E1200/E1500 SpeedBoostE1200V1/E1500 Determining your router’s version Canada ICES/NMB003, RSS210Power of dual band E2500Ethernet ports Wi-Fi Protected Setup button E3200 Benefits of gigabitPort activity indicators E4200 Built-in USB port and UPnP media serverTop view Product overview Setting Up Basics How to create a home networkWhere to find more help How to set up your routerHow to start Cisco Connect How to test your Internet connection speed How to improve your wireless connection speedTo test your Internet connection speed How to connect devices to your network How to connect a computer to your networkHow to connect a computer using an Easy Setup Key To create an Easy Setup KeyHow to connect a computer manually To manually connect a computer to your networkHow to connect other devices How to connect a printerTo connect a wireless printer to your network To manually connect a device to your network How to set up parental controls How to access parental controlsTo access parental controls for the first time To access parental controls after the first timeTo change the parental controls password How to select the computers to have parental controlsTo select computers that will have parental controls How to set up guest access to your network How to set parental controlsTo set up guest access to your network How to change your router’s name and password To change your router’s name and passwordSetting Up Advanced How to open the browser-based utilityFor ALL To open the browser-based utilityHow to manually set up your router How to manually set up your Internet connectionBasic Internet connection settings To manually set up your routerHow to get the most out of your dual- band router IPv6 Internet connection settingsTo manually configure your router’s IPv6 settings Setup IPv6 SetupTo reconfigure your wireless network Wireless Basic Wireless Settings or Wireless SettingsWireless-A Only 802..11a only Wireless-N Only 802..11n only Auto 20 MHz or 40 Mhz MHz OnlyHow to set up the Dhcp server on your router To configure your router’s Dhcp server settingsSetup Basic Setup Dhcp Server Settings Auto 20 MHz or 40Mhz MHz OnlyHow to find your network on the Internet How to set up Dhcp reservationTo configure Dhcp reservation Click Save SettingsHow to clone a MAC address Setup MAC Address CloneBronzeEagle953.linksysnet.com1024 To clone a MAC address from your computerHow to connect to your corporate office using a VPN How to optimize your router for gaming and voiceTo change your VPN passthrough settings Security VPN PassthroughTo configure QOS Applications & Gaming QoSHow to remotely change your router settings Configure Upstream BandwidthAdministration Management To access your router remotelyHow to enable Voice over IP on your network How to configure UPnPTo configure the router for VoIP To configure UPnPFor Internet Connection Type, select Bridge Mode How to use a router as an access pointTo view your new router’s settings How to put your new router behind an existing router To use your old router as an access pointTo add a router to your existing wireless network To add your router to an existing router or gatewayTo share an Internet connection To add another router to share an Internet connectionTo extend your network or add wireless capabilities To extend your networkTo use their DNS This topic covers cases three and four aboveTo set up a device in the DMZ How to expose a device to the InternetApplications & Gaming DMZ Setting Up Advanced Improving Security Network security following a manual setupHow do I know if my network is secure? How to set up wireless security using Wi‑Fi Protected Setup Wi-Fi Protected Setup activity lightConnecting a device using the Wi-Fi Protected Setup button To manually set your router’s wireless security settingsHow to connect a device manually How to connect a device using its Wi-Fi Protected Setup PINWireless Basic Wireless Settings How to control access to your wireless network Wireless Wireless MAC FilterHow to improve security using the built-in firewall General firewall settingsTo change your firewall settings Security-FirewallTo set IPv6 firewall settings IPv6 firewall settingsApplications & Gaming-IPv6 Firewall Using an External Drive How to configure storageHow to create shared folders To create a shared folderHow to manage group and user access to shared folders How to create a groupHow to disable anonymous disk access To disable anonymous disk accessHow to create a new user To create a new userHow to grant group access to a share To grant group access to a shareHow to configure your router’s storage for remote access How to configure the FTP serverTo set up your router for remote file access, you need to To configure the FTP serverHow to share folders and set access rights To configure FTP and control folder accessHow to access files remotely How to set up your router as a media serverTo access files remotely To configure your router as a media serverLinksys E-Series How to connect your UPnP device to the media server To connect an UPnP device to your router’s media serverHow to set up port forwarding How to set up port forwarding for a single portPort Forwarding and Port Triggering Applications & Gaming Single Port ForwardingHow to set up port forwarding for a range of ports How to set up port forwarding for multiple portsTo set up single port forwarding for multiple ports How to set up port range triggering for online gaming To set up port range forwardingApplications & Gaming Port Range Forwarding Applications & Gaming Port Range TriggeringHow to configure your Xbox for online gaming How to back up and restore your router configuration How to restore factory defaultsTo back up your router configuration To restore your router configurationAdministration Factory Defaults How to upgrade the router’s firmwareClick Restore Factory Defaults To upgrade the router’s firmware Administration Firmware UpgradeHow to check the status of your router To check your router status using the browser-based utilityHow to disable the Ethernet port status lights To disable the lights using the browser-based utility How to test your Internet connectionAdministration Diagnostics To enable and view router logs How to configure and use logsAdministration Log Maintaining and Monitoring Setup Browser-based Utility Menu StructureBrowser-based Utility Menu Structure Wi-Fi Protected Setup Storage Access Restrictions Linksys E900 SpecificationsEnvironmental Specifications Linksys E1200Linksys E1500 Linksys E2500 Linksys E3200 Linksys E4200 3425-01486 111216MS
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