mirror of
https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-26 17:32:33 +00:00
103 lines
3.6 KiB
Text
103 lines
3.6 KiB
Text
Unbound Features
|
|
|
|
(C) Copyright 2008, Wouter Wijngaards, NLnet Labs.
|
|
|
|
|
|
This document describes the features and RFCs that unbound
|
|
adheres to, and which ones are decided to be out of scope.
|
|
|
|
|
|
Big Features
|
|
------------
|
|
Recursive service.
|
|
Caching service.
|
|
Forwarding and stub zones.
|
|
Very limited authoritative service.
|
|
DNSSEC Validation options.
|
|
EDNS0, NSEC3, IPv6, DNAME, Unknown-RR-types.
|
|
RSASHA256, GOST, ECDSA, SHA384 DNSSEC algorithms.
|
|
|
|
Details
|
|
-------
|
|
Processing support
|
|
RFC 1034-1035: as a recursive, caching server. Not authoritative.
|
|
including CNAMEs, referrals, wildcards, classes, ...
|
|
AAAA type, and IP6 dual stack support.
|
|
type ANY queries are supported, class ANY queries are supported.
|
|
RFC 1123, 6.1 Requirements for DNS of internet hosts.
|
|
RFC 4033-4035: as a validating caching server (unbound daemon).
|
|
as a validating stub (libunbound).
|
|
RFC 1918.
|
|
RFC 1995, 1996, 2136: not authoritative, so no AXFR, IXFR, NOTIFY or
|
|
dynamic update services are appropriate.
|
|
RFC 2181: completely, including the trust model, keeping rrsets together.
|
|
RFC 2308: TTL directive, and the rest of the RFC too.
|
|
RFC 2671: EDNS0 support, default advertisement 4Kb size.
|
|
RFC 2672: DNAME support.
|
|
RFC 3597: Unknown RR type support.
|
|
RFC 4343: case insensitive handling of domain names.
|
|
RFC 4509: SHA256 DS hash.
|
|
RFC 4592: wildcards.
|
|
RFC 4697: No DNS Resolution Misbehavior.
|
|
RFC 5011: update of trust anchors with timers.
|
|
RFC 5155: NSEC3, NSEC3PARAM types
|
|
RFC 5358: reflectors-are-evil: access control list for recursive
|
|
service. In fact for all DNS service so cache snooping is halted.
|
|
RFC 5452: forgery resilience. all recommendations followed.
|
|
RFC 5702: RSASHA256 signature algorithm.
|
|
RFC 5933: GOST signature algorithm.
|
|
RFC 6303: default local zones.
|
|
It is possible to block zones or return an address for localhost.
|
|
This is a very limited authoritative service. Defaults as in draft.
|
|
RFC 6604: xNAME RCODE and status bits.
|
|
RFC 6605: ECDSA signature algorithm, SHA384 DS hash.
|
|
|
|
chroot and drop-root-privileges support, default enabled in config file.
|
|
|
|
AD bit in query can be used to request AD bit in response (w/o using DO bit).
|
|
CD bit in query can be used to request bogus data.
|
|
UDP and TCP service is provided downstream.
|
|
UDP and TCP are used to request from upstream servers.
|
|
SSL wrapped TCP service can be used upstream and provided downstream.
|
|
Multiple queries can be made over a TCP stream.
|
|
|
|
No TSIG support at this time.
|
|
No SIG0 support at this time.
|
|
No dTLS support at this time.
|
|
This is not a DNS statistics package, but some operationally useful
|
|
values are provided via unbound-control stats.
|
|
TXT RRs from the Chaos class (id.server, hostname.bind, ...) are supported.
|
|
|
|
draft-0x20: implemented, use caps-for-id option to enable use.
|
|
Also implements bitwise echo of the query to support downstream 0x20.
|
|
draft-ietf-dnsop-resolver-priming(-00): can prime and can fallback to
|
|
a safety belt list.
|
|
draft-ietf-dnsop-dnssec-trust-anchor(-01): DS records can be configured
|
|
as trust anchors. Also DNSKEYs are allowed, by the way.
|
|
draft-ietf-dnsext-dnssec-bis-updates: supported.
|
|
|
|
Record type syntax support, extensive, from lib ldns.
|
|
For these types only syntax and parsing support is needed.
|
|
RFC 1034-1035: basic RR types.
|
|
RFC 1183: RP, AFSDB, X25, ISDN, RT
|
|
RFC 1706: NSAP
|
|
RFC 2535: KEY, SIG, NXT: treated as unknown data, syntax is parsed (obsolete).
|
|
2163: PX
|
|
AAAA type
|
|
1876: LOC type
|
|
2782: SRV type
|
|
2915: NAPTR type.
|
|
2230: KX type.
|
|
2538: CERT type.
|
|
2672: DNAME type.
|
|
OPT type
|
|
3123: APL
|
|
3596: AAAA
|
|
SSHFP type
|
|
4025: IPSECKEY
|
|
4033-4035: DS, RRSIG, NSEC, DNSKEY
|
|
4701: DHCID
|
|
5155: NSEC3, NSEC3PARAM
|
|
4408: SPF
|
|
6944: DNSKEY algorithm status
|
|
|