{"id":4245,"date":"2025-12-15T08:20:39","date_gmt":"2025-12-15T06:20:39","guid":{"rendered":"https:\/\/www.savelan.fi\/?p=4245"},"modified":"2026-01-21T12:16:53","modified_gmt":"2026-01-21T10:16:53","slug":"tietoturvallisen-selainympariston-perusta","status":"publish","type":"post","link":"https:\/\/www.savelan.fi\/en\/tietoturvallisen-selainympariston-perusta\/","title":{"rendered":"The foundation of a secure browsing environment"},"content":{"rendered":"

Network security is not achieved by changing a single setting, but through a combination of consistent practices and well-designed technical controls.<\/strong><\/p>\n\n\n\n

Brave and DNS filtering provide a strong baseline: the browser is built to minimise tracking and block data collection by advertising networks. When Brave is combined with a secure, protection-focused DNS resolver such as Quad9, users gain an additional layer of defence that blocks known malicious domains before the browser even attempts to load them.<\/p>\n\n\n\n

Why DNS protection complements the browser?<\/strong><\/h3>\n\n\n\n

A browser alone cannot detect all malicious domains, especially newly created or rapidly changing ones. DNS queries always leave the browser and pass through external infrastructure, which makes it possible to add intelligent filtering at this stage. The DNS service translates a domain name\u2014such as savelan.fi\u2014into its corresponding IP address, for example 31.217.196.214. Because this resolution happens outside the browser, a protection-focused resolver like Quad9 can block harmful domains before the connection is ever established. This makes Quad9 an excellent additional layer of defence. <\/p>\n\n\n\n

Quad9: Protection at the DNS level<\/strong><\/h4>\n\n\n
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Quad9 uses an extensive global threat-intelligence network that continuously gathers data on malicious domains. When a device sends a DNS query to access a site, Quad9 checks the requested domain against its threat databases. If the domain is flagged as dangerous\u2014such as phishing, malware, or botnet activity\u2014the connection is blocked before any communication is established.<\/p>\n\n\n\n

Quad9 is a non-profit organisation with strong industry partnerships, including IBM.<\/p>\n\n\n\n

Setting up Quad9 DNS in the Brave browser<\/strong><\/h4>\n\n\n\n

Open the Brave browser\u2019s settings by clicking the menu in the top-right corner and selecting Settings. <\/p>\n\n\n\n

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Next, go to Privacy and security and then select Security. <\/p>\n\n\n\n

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The final step is to add the DNS server address:
https:\/\/dns.quad9.net\/dns-query<\/a><\/p>\n\n\n\n

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Setting up Quad9 DNS on a device or router<\/strong><\/h4>\n\n\n\n

The DNS server addresses are:<\/p>\n\n\n\n

IPv4:<\/strong><\/p>\n\n\n\n