How to configure Ubuntu to use OpenDNS to protect your computer
This article introduces the knowledge of "how to configure Ubuntu to use OpenDNS to protect your computer". In the operation of practical cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
But there are some things you have to remember: when you connect to the Internet, your computer becomes the target of attack. Become the target of viruses, Trojans and other programs.
Because of this, it is recommended that computers connected to the Internet should be protected by anti-virus and anti-spyware software. In some cases, even the use of these software can not completely guarantee your security. It's always a good idea to add another security layer.
When looking to add an extra layer of security to protect your machine, using OpenDNS's secure DNS framework may be helpful. The Internet is made up of many parts, and trying to protect each part accordingly is the best way to ensure security.
First of all, you should install anti-virus and anti-spyware software on your computer. Since your computer is allowed to query remote DNS servers while browsing the Internet, using a protected and secure DNS server will be a good way to keep your computer safe. We don't think it is necessary to use antivirus and antispyware on Ubuntu, but it is necessary to use OpenDNS to block access to malicious web sites. In addition, the use of foreign DNS may be relatively slow, perhaps after a period of time, similar services will appear in China. )
This is a concise manual that tells you how to configure the OpenDNS framework on Ubuntu to protect your computer.
Sudo gedit / etc/dhcp/dhclient.conf
Finally, add the following line to the open file and save it.
Supersede domain-name-servers 208.67.222.222208.67.220.220
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