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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/NEWS b/NEWS index 6a213775e6..ea2ab48f9d 100644 --- a/NEWS +++ b/NEWS @@ -29,6 +29,18 @@ Major new features: memory is carried out in the context of the caller, using the caller's CPU affinity, and priority with CPU usage accounted to the caller. +* The “no-aaaa” DNS stub resolver option has been added. System + administrators can use it to suppress AAAA queries made by the stub + resolver, including AAAA lookups triggered by NSS-based interfaces + such as getaddrinfo. Only DNS lookups are affected: IPv6 data in + /etc/hosts is still used, getaddrinfo with AI_PASSIVE will still + produce IPv6 addresses, and configured IPv6 name servers are still + used. To produce correct Name Error (NXDOMAIN) results, AAAA queries + are translated to A queries. The new resolver option is intended + primarily for diagnostic purposes, to rule out that AAAA DNS queries + have adverse impact. It is incompatible with EDNS0 usage and DNSSEC + validation by applications. + Deprecated and removed features, and other changes affecting compatibility: * Support for prelink will be removed in the next release; this includes |