[ubuntu-us-mn] DNS Changer malware

Fred H Olson fholson at cohousing.org
Fri Jun 1 09:06:38 UTC 2012

>Criminals have learned that if they can control a user's DNS
>servers, they can control what sites the user connects to on the
>Internet. By controlling DNS, a criminal can get an unsuspecting user
>to connect to a fraudulent website or to interfere with that user's
>online web browsing. One way criminals do this is by infecting
>computers with a class of malicious software (malware) called
>DNSChanger. In this scenario, the criminal uses the malware to change
>the user's DNS server settings to replace the ISP’s good DNS
>servers with bad DNS servers operated by the criminal. A bad DNS
>server operated by a criminal is referred to as a rogue DNS server.

That excerpt is from

It does offer links to for example: http://www.dns-ok.us/
that tests one's DNS performance to see if you are using a rogue DNS.

There is also a more detailed description of the problem and
how to check one's DNS configuration - for Windows and Apple OS at:

Anyone care to supply how to check DNS settings for Linux?
Has anyone heard of Linux systems being affected by DNS Changer
malware or other DNS related attacks?


Fred H. Olson  Minneapolis,MN 55411  USA        (near north Mpls)
     Email:        fholson at cohousing.org      612-588-9532
My Link Pg: http://fholson.cohousing.org         My org:
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