When you use HTTPS or SSL, your web browsing traffic is encrypted. When you use a VPN, all of your traffic is encrypted (usually). Sometimes even with HTTPS and VPNs in play, DNS requests—or the way your computer translates “lifehacker.com” into numbers that your computer understands, like “199.27.72.192,” are completely unencrypted, leaving you open to spoofing and man-in-the-middle attacks. DNSCrypt can lock that down.
It’s simple (free) software that you can install on your Mac, Windows, or Linux system that, when used in conjunction with OpenDNS for DNS resolution at home, will make even the leakiest VPN a bit more secure. In the same way the SSL turns HTTP web traffic into HTTPS encrypted Web traffic, DNSCrypt turns regular DNS traffic into encrypted DNS traffic that is secure from eavesdropping and man-in-the-middle attacks.
It doesn’t require any changes to domain names or how they work, it simply provides a method for securely encrypting communication between users and DNS servers in OpenDNS data centers. DNSCrypt has the potential to be the most impactful advancement in Internet security since SSL, significantly improving every single Internet user’s online security and privacy.
Read more at Lifehacker.com
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