Bell Canada Hijacking DNS Queries On Non-Existent Domain Names

BELL Canada a consumer ISPs have started the practice of DNS hijacking on non-existent domain names, for the purpose of making money by displaying advertisements. This practice violates the RFC standard for DNS (NXDOMAIN) responses, and can potentially open users to cross-site scripting attacks. This is confirmed by several members of broadband web forum.

Following screen displays DNS hijacking

Fig.01: Bell Canada Employs DNS Redirection

Alternate DNS Server

You can use the following DNS server to avoid DNS hijacking:

4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5
4.2.2.6

How Do I Change DNS Settings Under MAC OS X Leopard?

• Click on the System Preferences.
• Select Network.
• Select Built In Ethernet and click Advanced.
• Select the DNS tab and add 4.2.2.1, 4.2.2.2, and 4.2.2.3 to the list of DNS servers.
• Click OK to save the changes.

How Do I Change DNS Settings Under Linux / UNIX / FreeBSD?

1. Open the terminal.
2. Type the following command:

sudo vi /etc/resolv.conf

3. Update name server as follows:

nameserver 4.2.2.1
nameserver 4.2.2.2
nameserver 4.2.2.3

4. Save and close the file.

How Do I Change DNS Settings Under MS-Windows XP / Vista / 7?

1. Click the Stat button.
2. Select Control Panel.
3. Select View network status.
4. Select Properties button.
5. Select TCP/IPv6 > Properties.
6. In the Preferred DNS server type 4.2.2.1 and 4.2.2.2
7. Save and close the changes.