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How is the White-list mode (available in Parental Controls section of most routers) supposed to work? Almost all of the sites contain external links and images, JavaScript CDNs and what not, which means that simply including that main website (e.g. wikipedia.org) in the white-list should not work, because none of those dozens of external domains would be in the white-list and therefore not accessible through the router, thereby making the main page non-functional for the most part. User can't possible include all those external domains in the white-list because there are so many of them and continue changing frequently.
How do routers handle this problem? Or do they? (I haven't been able to make white-list mode work on at least two routers, while the blacklist mode work flawlessly on both routers).
dotNET
Posted 2020-02-21T12:40:07.790
Reputation: 481
*wikipedia.org should include all sub domains. – Moab – 2020-02-21T12:42:46.823
External links generally do not live as a subdomain of
wikipedia.org. These are mostly CDNs, external images and what not. – dotNET – 2020-02-21T12:55:57.670Most parental controls don't work using a select blacklist (often also categorizing the content of the site). So everything that isn't on the blacklist is accessible. The whitelist would allow for access of sites that are on the blacklist. This might be dependent on your router. – Seth – 2020-02-21T13:07:21.993
@Seth: So how am I supposed to provide a list of just the websites that I want to be accessible. e.g. what if I want wikipedia and khanacademy to be accessible, but nothing else? Also note that white and black list modes were mutually exclusive on both the routers that I have used, that is, you could use one mode or the other, not both. – dotNET – 2020-02-21T14:20:26.677