Internet Blocking and Filtering
Tips & Advice to help you make your decision on Internet Blocking and Filtering
Do you need quality internet blocking and filtering? The internet is a wonderful tool both for research and for leisure, there is unfortunately always a risk of viruses, spy ware, and other malware being loaded onto you system without your knowledge whenever you are browsing the web. In addition many parents and others wish to block specific content from being retrieved on their computer. There are programs which can filter and block specific content and which can help keep your computer safe.
You have quite a few options when looking for a program that can block or filter content or malicious spy ware and viruses. Prior to making your decision there are a few things you may want to keep in mind. How efficient the company is can be a factor, and not every program is equal in this regard. Other things to think about are the size of the program, how much room it will take on your computer, how fast it is, and how much it will slow down your system. You want to review the various functions of the program and be sure it will serve your needs. Naturally price is also a concern, and this can vary from one company to another.
Reviewing your options is a good idea. Business.com provides many helpful links.
Click the links to the left for internet blocking and filtering.
Internet Blocking and Filtering Key Terms
Understand common terms used to describe Internet and e-mail filter functionsBy Kristina Seleshanko Any business with computers connected to the Internet needs Internet blocking or filtering services. If you don't want your employees online at all, blocking software is necessary. If you want to limit what your employees can see online, a filter is what you need. And because spam wastes your employees' time and opens up your business computers to time-consuming and costly viruses and worms, all businesses sending and receiving e-mails need spam filters.
As you shop for the best blocking or filtering services for your business, you may run across some terms you're not familiar with. However, these terms are important to understand if you're going to spend money on a system that truly works for you. With that in mind, here are some common terms used to describe how filters work.
Backlist
Many filtering and blocking programs create a backlist, or a list of suspected spam e-mail addresses or websites deemed inappropriate. Backlist e-mails never enter your inbox and backlist websites cannot be accessed.
Try: Windows IT Pro offers a great article on using backlists to prevent spam.
Client-based filter
A client-based filter is a piece of software that's installed on an individual computer and allows users to block certain types of material on the Internet. Client-based filters run on the computer simultaneously with the Internet browser.
Try: GuardUrEyes.com gives basic information about using client-based filters, including pros and cons.
Server-based filter
A server-based filter does not allow the computer user direct control over the filtering process. Any information that comes into the computer has already been filtered. Filtering software is installed on a host server (like a web server).
Try: For a comparison of different types of filters, including server-based filters, visit CyberAngels.
False positive
A false positive is when filtering software sets aside an e-mail as spam when it actually is not spam.
Try: TechTarget explains false positives in further detail.
False negative
A false negative is when filtering software does not set aside an e-mail as spam when it is actually spam.
Try: Network World discusses false negatives and offers tips on limiting them. See the article's fifth paragraph.
Bayesian based filter
Bayesian based filters (sometimes just called Bayesian filters) are named after Thomas Bayes, an 18th century man who created a formula that allows us to know the probability of an occurring event. A Bayesian based filter must be taught to distinguish between desirable and undesirable e-mails.
Try: WhichSpamFilter.com discusses the many types of filters, including Bayesian based filters. (Scroll down to the subtitle "Bayesian Based Filters.")
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