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  2. IP address blocking - Wikipedia

    en.wikipedia.org/wiki/IP_address_blocking

    Unix-like operating systems commonly implement IP address blocking using a TCP wrapper, configured by host access control files /etc/hosts.deny and /etc/hosts.allow.. Both companies and schools offering remote user access use Linux programs such as DenyHosts or Fail2ban for protection from unauthorized access while allowing permitted remote access.

  3. DNS blocking - Wikipedia

    en.wikipedia.org/wiki/DNS_blocking

    Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet. It was first introduced in 1997 as a means to block spam email from known malicious IP addresses .

  4. Internet censorship in the United States - Wikipedia

    en.wikipedia.org/wiki/Internet_censorship_in_the...

    A 2003 study reported that "blocking software overblocked state-mandated curriculum topics–for every web page correctly blocked, one or more was inappropriately blocked". [ 90 ] Some libraries may block access to certain web pages, including pornography, advertising, chat, gaming, social networking, and online forum sites, [ 91 ] The use of ...

  5. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    Reboot your modem/router - Sometimes the old "turn it off and on again" approach actually does work! Just wait about five minutes before turning it back on to make sure everything was reset. 4. Contact your Internet Service Provider (ISP) - If you're still not able to get

  6. Fix problems with AOL websites due to ad blocking software

    help.aol.com/articles/fix-problems-with-aol...

    Ad blockers insert code into your browser to block ads, which can negatively impact website performance, break functionality, and even hide messages in AOL Mail. We recommend unblocking AOL Mail websites to avoid facing these issues. Doing this will also unblock ads. Adjust Other settings

  7. Using McAfee: Features - AOL Help

    help.aol.com/articles/Using-McAfee-Features

    The phishing filter is enabled as long as the spam filters are turned on; however, if you would like the filter to ignore certain websites that you trust, you can add those sites to your Allow List. Add websites to the Allow List. 1. Double-click on the McAfee icon on your computer desktop to open the McAfee Security Center. 2. Select the Web ...

  8. Internet censorship - Wikipedia

    en.wikipedia.org/wiki/Internet_censorship

    Internet censorship is the legal control or suppression of what can be accessed, published, or viewed on the Internet. Censorship is most often applied to specific internet domains (such as Wikipedia.org, for example) but exceptionally may extend to all Internet resources located outside the jurisdiction of the censoring state.

  9. Help:I have been blocked - Wikipedia

    en.wikipedia.org/wiki/Help:I_have_been_blocked

    Problem with your username - your username was unsuitable and has been blocked; you need to choose another before continuing. Unintended triggering of anti-vandalism systems (known as "collateral damage") - your IP address unfortunately happens to match an IP address used by a blocked account. Ask for further information and/or request unblocking.