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08-15-2022
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Aug 15, 2022Last Visited
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| Member Since | 01-20-2022 05:56 AM |
| Date Last Visited | 08-15-2022 08:16 AM |
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08-12-2022
03:36 AM
1 Kudo
Sinkholing is a DNS action. URL filtering works on http/https connections.
When you try to visit a website, you have to resolve the FQDN (www.google.com) first. So DNS query happens first. Only after that a client (browser) knows where to send traffic (a http connection) to.
So whitelisting a URL doesn't help because the DNS query was blocked before there was any http/https connection.
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