Howo would i edit firefox in about:config to prevent my children from lookin up anything explict?

i have children that use a desktop that is shared within the family. how would i edit firefox thru about:config to prevent them from lookin up or accidently coming across explict content?

You can't do that reliably with Firefox. You need to use external software to allow only access to approved sites and block access to sites that you do not want to visit them.
See also:
* http://kb.mozillazine.org/Parental_controls
* http://en.wikipedia.org/wiki/List_of_content-control_software
* http://en.wikipedia.org/wiki/K9_Web_Protection

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