Blacklist facts for kids

A blacklist is a list of things or people that are not allowed or are blocked for a specific reason. Think of it like a "no-entry" list. When something or someone is "blacklisted," it means they are prevented from doing something or accessing something.

What is a Blacklist?

A blacklist is a special list that names things or people who are denied certain rights, services, or access. It's often used to keep things safe or to enforce rules. For example, a school might have a blacklist of websites that students cannot visit.

Blacklists are used in many different areas. They can help protect against unwanted things, like spam emails. They can also be used to stop people who have broken rules from doing something again.

Blacklists in Computers

In the world of computers, blacklists are very common. They help keep our devices and information safe.

• Blocking Spam: Email programs often use blacklists to stop unwanted junk mail, called spam, from reaching your inbox. If an email address or server is on the blacklist, its messages are blocked.
• Website Security: Web browsers and security software use blacklists to identify and block dangerous websites. These sites might try to install viruses or steal your information.
• Network Access: Computer networks can use blacklists to prevent certain devices or users from connecting. This helps keep the network secure from unauthorized access.

The opposite of a blacklist is a whitelist. A whitelist is a list of things or people that *are* allowed. Anything not on the whitelist is automatically blocked.

The Hollywood Blacklist

One famous example of a blacklist happened in Hollywood, the center of the American film industry. This was during the mid-20th century, from the late 1940s to the late 1950s.

During this time, some people in the entertainment industry were accused of having certain political beliefs. These beliefs were seen as a threat by some government officials. As a result, many writers, directors, and actors were put on a "blacklist."

Being on this list meant they were denied work. Studios refused to hire them, and their careers were often ruined. This happened even if there was no proof of wrongdoing. It was a difficult time for many creative people in Hollywood.

Operation Blacklist

"Operation Blacklist" was a special code name used at the end of World War II. It was the plan for the Allied Powers to occupy Japan. The Allied Powers were the countries that fought against Germany, Italy, and Japan in the war.

After Japan surrendered in 1945, the Allied forces, mainly led by the United States, moved into Japan. This operation was about taking control of the country to help it rebuild and establish a new, peaceful government. It was a very important step in ending the war and starting a new era for Japan.

Images for kids

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  Blacklisting in online chat (IRC)

See also

In Spanish: Lista negra para niños