The DHS and CISA booth at the 2019 RSA conference in San Francisco. (Scoop News Group photo) The Cybersecurity and Infrastructure Security Agency wants to limit ransomeware, phishing, botnet and ...
I'm running PiHole at home for ad-blocking, and I'm using Cloudflare as the upstream server. PiHole have a description here of how to add Unbound to the system as a recursive DNS resolver, with the ...
MOUNTAIN VIEW, Calif. & PHILADELPHIA--(BUSINESS WIRE)-- Today, Mozilla, the maker of Firefox, and Comcast have announced Comcast as the first Internet Service Provider (ISP) to provide Firefox users ...
Cloudflareが展開しているパブリックDNSリゾルバ「1.1.1.1」に対して、3つの海賊版サイトへのアクセスをブロックするよう命じる判決をイタリアの裁判所が下しました。Cloudflareは不服を申し立て上訴していましたが、このたび訴えが却下され、判決が確定しまし ...
名前解決の階層構造(ルート、TLD、権威DNSサーバ、キャッシュDNSサーバ) 再帰的名前解決(Recursive Query)と反復的名前解決(Iterative Query) DNSが提供する主なレコードタイプ(A、AAAA、MX、NS、CNAME、PTR、SOA、TXTなど) 2. DNSのキャッシュとTTL(Time To Live) DNS ...
Some domain name server (DNS) implementations are at risk for denial-of-service attacks after a vulnerability was disclosed and patched in a few popular server packages, including BIND, PowerDNS and ...