Internet filtering

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Internet filtering

Blocking content coming into and going out to the Internet. Accomplished by firewall software residing in a stand-alone device, router or user's machine, or in a filtering program in each user's machine, content can be blocked by website or Internet service. For example, users might be allowed access to the Web but not to file transfers (FTP).

Websites and Internet Services
websites and Internet services can be blocked for specific users or for all users. Blocked websites are identified by their Web address (URL), by words in their address or by domain (.com, .edu, etc.).

Identified by their TCP/IP port number; for example, Web traffic is port #80, Internet services can be blocked as a complete group such as the entire Web, all e-mail and all file transfers.

In the home, parents can restrict their children's access with special browsers and filtering programs (see parental control software).
References in periodicals archive ?
A federal court recently struck down the provision that would require libraries to install an Internet filter to screen out material that could be objectionable to minors, saying it violates the First Amendment rights of library patrons.
The ALA's Eric Brasley says Internet filters simply don't work.
Even though CIPA has experienced a setback, the fact remains that federally-funded libraries will have to decide whether or not they will install Internet filters.
1-rated Internet filter in the marketplace according to TopTenREVIEWS (www.
The 8e6 Internet Filter and Reporter-Standard Edition includes user license for the R3000 Internet Filter plus Enterprise Reporter.
By combining the 8e6 R3000 Internet Filter with the Threat Analysis Reporter and Enterprise Reporter 4.
The 8e6 Internet Filter and Reporter-Professional Edition includes user license for the R3000 Internet Filter, Enterprise Reporter and Threat Analysis Reporter.
NetOp Netfilter is one of the only Internet filters that use image analysis according to Jason Vargovchik, NetOp Tech Country Manager.
This is intelligent filtering software unlike most other Internet filters on the market," he said.

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