… and corresponding authoritative NS RRset. This is also called the "zone apex". RFC4033 defines it as "the name at the child's side of a zone cut". The "apex" can usefully be thought of as a data-theoretic description of a tree structure, and "origin" is the name of the same conc…

… and corresponding authoritative NS RRset. This is also called the "zone apex". RFC4033 ] defines it as "the name at the child's side of a zone cut". The "apex" can usefully be thought of as a data-theoretic description of a tree structure, and "origin" is the name of the same co…

…documents may or may not need to update this one. DNSSEC, which is defined in [ RFC4033 ], [ RFC4034 ], and [ RFC4035 ], uses cryptographic keys and digital signatures to provide authentication of DNS data. Information that is retrieved from the DNS and that is validated using DN…

…-aware stub resolver: Capabilities of the stub resolver in use, as defined in [ RFC4033 ]; note that this specification requires the use of a security-aware stub resolver. (Pre-DANE) opportunistic TLS: Best-effort use of TLS that is generally vulnerable to DNS forgery and STARTTL…

…347 ] transport endpoint. DANE relies on the DNS Security Extensions (DNSSEC) [ RFC4033 ]. DANE TLSA records validated by DNSSEC can be used to augment or replace the use of trusted public Certification Authorities (CAs). The TLS and DTLS protocols provide secured TCP and UDP com…

…ense. ¶ The core specification for what we know as DNSSEC (the combination of [ RFC4033 ] , [ RFC4034 ] , and [ RFC4035 ] ) describes a set of protocols that provide origin authentication of DNS data. [ RFC6840 ] updates and extends those core RFCs but does not fundamentally chan…

…f standard PKIX, DNSSEC, and S/MIME terminology. See PKIX [ RFC5280 ], DNSSEC [ RFC4033 ] [ RFC4034 ] [ RFC4035 ], and S/MIME [ RFC5751 ] for these terms. 1.2 . Experiment Goal This specification is one experiment in improving access to public keys for end-to-end email security. …

…ice, such as the Domain Name System [ RFC1034 ] without DNS Security (DNSSEC) [ RFC4033 ]. SHA-1 is used to derive SASL mechanism names, but no traditional cryptographic properties are required -- the required property is that the truncated output for distinct inputs are differen…

…thenticated, downgrade-resistant encrypted transmission. DANE requires DNSSEC [ RFC4033 ] for authentication; the mechanism described here instead relies on certification authorities (CAs) and does not require DNSSEC, at a cost of risking malicious downgrades. For a thorough disc…

…luate to "fail". See [ RFC3833 ] for a description of DNS weaknesses, and see [ RFC4033 ] for a countermeasure. o The client IP address, <ip>, is assumed to be correct. In a modern, correctly configured system, the risk of this not being true is nil. 11.4 . Cross-User Forgery By …

… RFC1034 ][RFC1035] and using Domain Name System Security Extensions (DNSSEC) [ RFC4033 ][RFC4034][ RFC4035 ] to verify the lookup. RFC 4255 [ RFC4255 ] describes how to store the cryptographic fingerprint of SSH public keys in SSHFP Resource Records. SSHFP Resource Records conta…

…ntirely on A or AAAA records) and that those MX records be signed using DNSSEC [RFC4033]. This is mentioned here only for completeness, as the handling of inbound mail is out of scope for this document. 4.5.2. SRV Records MSPs SHOULD advertise SRV records to aid MUAs in determini…

…tirely on A or AAAA records) and that those MX records be signed using DNSSEC [ RFC4033 ]. This is mentioned here only for completeness, as the handling of inbound mail is out of scope for this document. 4.5.2 . SRV Records MSPs SHOULD advertise SRV records to aid MUAs in determi…

…ire Strict Privacy as described in [ DTLS ]. DNS Security Extensions (DNSSEC) [ RFC4033 ] provide object integrity of DNS resource records, allowing end users (or their resolver) to verify the legitimacy of responses. However, DNSSEC does not provide privacy for DNS requests or r…

…PP TLS June 2015 identity verification (made stronger through the use of DNSSEC RFC4033 ]), but this at least enables encryption of server-to-server connections. The DNA prooftypes mentioned above are intended to mitigate the residual need for encrypted but unauthenticated connec…