Some changes may affect connectivity to your local network resources. You should note your current settings before changing anything. Encrypted SNI is enabled by default with the Cloudflare DNS resolver. Encrypting SNI is another way to secure your web activity from man-in-the-middle (MITM) attacks. What is Encrypted SNI? The Server Name Indication (SNI) shares the hostname for outgoing TLS connections in plain-text. Learn more about the concerns with DoH and DoT at .ĭoH can negatively affect the performance of some content delivery networks (CDNs) including Cloudflare and MaxCDN. There are cybersecurity and enterprise professionals concerned about whether DoH actually improves internet security and/or adds issues that negate its benefits. Learn more about why Firefox implemented DoH instead of DoT. DNS-over-HTTPS (DoH) travels alongside other SSL connections and has more support than DNS-over-TLS (DoT). DoT is easy to block because although you won’t see the encrypted traffic, it’s using a dedicated port. DoT uses a dedicated port (853) for DNS queries over TLS but doesn’t require the user system to authenticate the requested server. What is DNS-over- HTTPS ( DoH )? DoH encrypts DNS traffic with HTTPS (port 443) and HTTP/2 and requires authentication of the requested server.ĭNS-over-HTTPS (DoH) or DNS-over-TLS (DoT)? Each handles DNS differently. These newer DNS security features help protect user privacy during web activity. If ever you really do want to contribute something, think about the people working hard to maintain the filter lists you are using, which were made available to use by all for free.Starting in Firefox 73, users can easily use DNS-over-HTTPS (DoH) and Encrypted Server Name Indication (SNI) for better privacy without extra software. More lists are available for you to select if you wish:Īdditionally, you can point-and-click to block JavaScript locally or globally, create your own global or local rules to override entries from filter lists, and many more advanced features. Peter Lowe’s Ad server list (ads and tracking) through the following lists of filters, enabled by default: Out of the box, uBO blocks ads, trackers, coin miners, popups, etc. UBlock Origin is not an "ad blocker", it's a wide-spectrum content blocker with CPU and memory efficiency as a primary feature.
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