Resource Center Computer Security Concepts / Dictionary
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Definition of Site Blocking

Site Blocking is a process by which a Firewall or WWW Proxy prevents users from accessing some network resources, such as World-Wide Web sites or Ftp servers.

Site Blocking is a legally dangerous practice, since it prevents the organization which employs it to effectively argue that their Internet connection constitutes a Common Carrier. This may make the organization liable for offensive or illegal documents downloaded from the Internet.