update unbound

external/unbound/doc/Changelog

@@ -1,3 +1,73 @@
+13 August 2015: Wouter
+	- 5011 implementation does not insist on all algorithms, when
+	  harden-algo-downgrade is turned off.
+	- Reap the child process that libunbound spawns.
+
+11 August 2015: Wouter
+	- Fix #694: configure script does not detect LibreSSL 2.2.2
+
+4 August 2015: Wouter
+	- Document that local-zone nodefault matches exactly and transparent
+	  can be used to release a subzone.
+
+3 August 2015: Wouter
+	- Document in the manual more text about configuring locally served
+	  zones.
+	- Fix 5011 anchor update timer after reload.
+	- Fix mktime in unbound-anchor not using UTC.
+
+30 July 2015: Wouter
+	- please afl-gcc (llvm) for uninitialised variable warning.
+	- Added permit-small-holddown config to debug fast 5011 rollover.
+
+24 July 2015: Wouter
+	- Fix #690: Reload fails when so-reuseport is yes after changing
+	  num-threads.
+	- iana portlist update.
+
+21 July 2015: Wouter
+	- Fix configure to detect SSL_CTX_set_ecdh_auto.
+	- iana portlist update.
+
+20 July 2015: Wouter
+	- Enable ECDHE for servers.  Where available, use
+	  SSL_CTX_set_ecdh_auto() for TLS-wrapped server configurations to
+	  enable ECDHE.  Otherwise, manually offer curve p256.
+	  Client connections should automatically use ECDHE when available.
+	  (thanks Daniel Kahn Gillmor)
+
+18 July 2015: Willem
+	- Allow certificate chain files to allow for intermediate certificates.
+	  (thanks Daniel Kahn Gillmor)
+
+13 July 2015: Wouter
+	- makedist produces sha1 and sha256 files for created binaries too.
+
+9 July 2015: Wouter
+	- 1.5.4 release tag
+	- trunk has 1.5.5 in development.
+	- Fix #681: Setting forwarders with unbound-control forward
+	  implicitly turns on forward-first.
+
+29 June 2015: Wouter
+	- iana portlist update.
+	- Fix alloc with log for allocation size checks.
+
+26 June 2015: Wouter
+	- Fix #677 Fix DNAME responses from cache that failed internal chain
+	  test.
+	- iana portlist update.
+
+22 June 2015: Wouter
+	- Fix #677 Fix CNAME corresponding to a DNAME was checked incorrectly
+	  and was therefore always synthesized (thanks to Valentin Dietrich).
+
+4 June 2015: Wouter
+	- RFC 7553 RR type URI support, is now enabled by default.
+
+2 June 2015: Wouter
+	- Fix #674: Do not free pointers given by getenv.
+
 29 May 2015: Wouter
 	- Fix that unparseable error responses are ratelimited.
 	- SOA negative TTL is capped at minimumttl in its rdata section.

external/unbound/doc/example.conf.in

@@ -444,6 +444,9 @@ server:
 	# If the value 0 is given, missing anchors are not removed.
 	# keep-missing: 31622400 # 366 days
 
+	# debug option that allows very small holddown times for key rollover
+	# permit-small-holddown: no
+
 	# the amount of memory to use for the key cache.
 	# plain value in bytes or you can append k, m or G. default is "4Mb". 
 	# key-cache-size: 4m
@@ -623,6 +626,8 @@ remote-control:
 # nameservers by hostname or by ipaddress. If you set stub-prime to yes, 
 # the list is treated as priming hints (default is no).
 # With stub-first yes, it attempts without the stub if it fails.
+# Consider adding domain-insecure: name and local-zone: name nodefault
+# to the server: section if the stub is a locally served zone.
 # stub-zone:
 #	name: "example.com"
 #	stub-addr: 192.0.2.68

external/unbound/doc/unbound.conf.5.in

@@ -801,6 +801,10 @@ mechanism work with zones that perform regular (non\-5011) rollovers.
 The default is 366 days.  The value 0 does not remove missing anchors,
 as per the RFC.
 .TP
+.B permit\-small\-holddown: \fI<yes or no>
+Debug option that allows the autotrust 5011 rollover timers to assume
+very small values.  Default is no.
+.TP
 .B key\-cache\-size: \fI<number>
 Number of bytes size of the key cache. Default is 4 megabytes.
 A plain number is in bytes, append 'k', 'm' or 'g' for kilobytes, megabytes
@@ -895,7 +899,8 @@ infected machines without answering the queries.
 Used to turn off default contents for AS112 zones. The other types
 also turn off default contents for the zone. The 'nodefault' option 
 has no other effect than turning off default contents for the 
-given zone.
+given zone.  Use \fInodefault\fR if you use exactly that zone, if you want to
+use a subzone, use \fItransparent\fR.
 .P
 The default zones are localhost, reverse 127.0.0.1 and ::1, and the AS112
 zones. The AS112 zones are reverse DNS zones for private use and reserved
@@ -1124,6 +1129,12 @@ bit on replies for the private zone (authoritative servers do not set the
 AD bit).  This setup makes unbound capable of answering queries for the 
 private zone, and can even set the AD bit ('authentic'), but the AA 
 ('authoritative') bit is not set on these replies. 
+.P
+Consider adding \fBserver:\fR statements for \fBdomain\-insecure:\fR and
+for \fBlocal\-zone:\fI name nodefault\fR for the zone if it is a locally
+served zone.  The insecure clause stops DNSSEC from invalidating the
+zone.  The local zone nodefault (or \fItransparent\fR) clause makes the
+(reverse\-) zone bypass unbound's filtering of RFC1918 zones.
 .TP
 .B name: \fI<domain name>
 Name of the stub zone.