The technical measures used to block sites include DNS hijacking, DNS blocking, IP address blocking, and Deep packet inspection, making consistent detection problematic.
IP address | Gettysburg Address | Address Resolution Protocol | The Getty Address | Style (manner of address) | style (manner of address) | Sideways address space | Reverse Address Resolution Protocol | Master (form of address) | George Wallace's 1963 Inaugural Address | Forms of address in the United Kingdom | Address Book (application) | address | 2010 State of the Union Address | The Abusive Hosts Blocking List | public address system | Partitioned global address space | partitioned global address space | Method used for exploiting contextual information in the first '''handwritten address interpretation''' system developed by Sargur Srihari | Link-local address | IP address blocking | Here's Looking Up Your Address | Graphics address remapping table | Firefox's address bar when visiting Paypal | Email address | Chrome's address bar when visiting a site that has an Extended Validation Certificate | CCCC Chair's Address | Address Windowing Extensions | Address space | address space |