Tuesday, July 15, 2008

Securing Home Modem

 

  

  Why should I change default settings in my home modem?

  

If you don't change the default password of your modem, it is publicly available in Internet that anyone who come across your modem get easy chances to change the password and can take full control of your home network because your modem is now with default password set by the manufacturer. If that happens then, only way to bring back it to your control is restoring your modem to factory default settings. Remember that millions of IPs are scanned by hackers every day, every hour.

  

  How do I access my modem?

  

1. Identify Modem IP:
Check your system's IP details. If your system IP is in the network segment of 192.168.1.0, then by most chances, your modem IP address must be 192.168.1.1.

2. Open Admin Console (Admin console will have all administrative options to effectively configure your modem):
Try hitting http://192.168.1.1 in Internet Explorer. For Beetel 440TXI modem, you can access admin console by http://192.168.1.1/html/index1.html.

Note: If you receive page cannot be displayed error, search in google ('http access specify_modem_name_ model') for http access to your specific modem model. Someone might have disclosed the information.

3. Identify default Username and Password:
Once you get accessed to the console, try username as 'admin' and password as 'password'. Note: You can find default passwords of most of the products in http://www.phenoelit-us.org/dpl/dpl.html. If you are not able to login with default account, then it means either you might have ended up with wrong default account details which is not specific to your modem model or someone have already changed it.

  

  What default settings should I change?

  

1. Change default password:
Navigate around all tabs and you will definitely come across an option to change password. Change it immediately. For Beetel 440TXI modem, go to tools > User Management

2. Change default SSID:
If you are connecting to your modem through Wi-Fi card, then change SSID from 'default' to your wish. But also remember that once you changed SSID and restarted your modem, you should also change SSID in your Wireless Machine to search and detect your modem or else you won't be able to connect it. For Beetel 440TXI modem, go to Wireless > Wireless Setup

3. Disable DHCP:
DHCP enables modem to automatically assign IP address to clients where manually assigning and keeping track of IP address is a big task. But when you connect just 2 or 3 machines to your modem, then you can disable DHCP and manually assign Static IP address in the same segment of your modem otherwise your system and modem won't communicate say
IP address: 192.168.150
Subnet Mask: 255.255.255.0
Gateway: 192.168.1.1
DNS: 192.168.1.1

It is highly appreciated if you change your whole network segment of modem and system to different private segment (172.17.1.0).

 

  Is my home network secured now?

 

Certainly not.

Courtesy : SKAPadmin.net

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