≡ Menu

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

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:
  3. sudo vi /etc/resolv.conf

  4. Update name server as follows:
  5. nameserver 4.2.2.1
    nameserver 4.2.2.2
    nameserver 4.2.2.3
  6. 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.
{ 0 comments… add one }
Seurity: Are you a robot or human?

Leave a Comment