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...through untrusted networks. Sites connected by these tunnels form VPNs, [[Virtual private network]]s. The idea is that the VPN can be a secure and trustworthy network even t

.../ref> This does not mean, however, that DNS data inside the namespace of a virtual private network, "inside the firewall", etc., needs to be available to the public Internet.

...2008 }}</ref> Many Pakistanis circumvented the three-day block by using [[virtual private network]] software.<ref>{{cite web | title =Pakistan web users get round YouTube ba