Internet Filtering Worldwide: The Technologies of Filtering and Their Unanticipated Consequences

Ben Edelman – CFP 2003

Granularity of blocking

•Group of web servers (with adjacent addresses)

•Entire web server (with many sites, one IP addr)

•Entire web site (i.e. entire domain name)

•Directory on a web site

•Single specific web page

•Part of a web page

•Single image on a web page

•Part of an image

actually happening

maybe someday