pdns: bump version to 4.2.0

Bump PowerDNS Authoritative DNS Server to 4.2.0. Release changelong can be found at
https://doc.powerdns.com/authoritative/changelog/4.2.html#change-4.2.0

Compile Tested: OpenWRT Snapshot - armv7
Run Tested: Linksys WRT1900ACS - package runs correctly, not all functionality has been tested.

Signed-off-by: James Taylor <james@jtaylor.id.au>

net/pdns/files/pdns.conf-dist

@@ -49,16 +49,6 @@
 #
 # api-key=
 
-#################################
-# api-logfile	Location of the server logfile (used by the REST API)
-#
-# api-logfile=/var/log/pdns.log
-
-#################################
-# api-readonly	Disallow data modification through the REST API when set
-#
-# api-readonly=no
-
 #################################
 # axfr-lower-serial	Also AXFR a zone from a master with a lower serial
 #
@@ -69,11 +59,21 @@
 #
 # cache-ttl=20
 
+#################################
+# carbon-instance	If set overwrites the the instance name default
+#
+# carbon-instance=auth
+
 #################################
 # carbon-interval	Number of seconds between carbon (graphite) updates
 #
 # carbon-interval=30
 
+#################################
+# carbon-namespace	If set overwrites the first part of the carbon string
+#
+# carbon-namespace=pdns
+
 #################################
 # carbon-ourname	If set, overrides our reported hostname for carbon stats
 #
@@ -109,6 +109,11 @@
 #
 # daemon=no
 
+#################################
+# default-api-rectify	Default API-RECTIFY value for zones
+#
+# default-api-rectify=yes
+
 #################################
 # default-ksk-algorithm	Default KSK algorithm
 #
@@ -155,7 +160,7 @@
 # default-zsk-size=0
 
 #################################
-# direct-dnskey	Fetch DNSKEY RRs from backend during DNSKEY synthesis
+# direct-dnskey	Fetch DNSKEY, CDS and CDNSKEY RRs from backend during DNSKEY or CDS/CDNSKEY synthesis
 #
 # direct-dnskey=no
 
@@ -174,11 +179,6 @@
 #
 # disable-syslog=no
 
-#################################
-# disable-tcp	Do not listen to TCP queries
-#
-# disable-tcp=no
-
 #################################
 # distributor-threads	Default number of Distributor (backend) threads to start
 #
@@ -214,6 +214,11 @@
 #
 # edns-subnet-processing=no
 
+#################################
+# enable-lua-records	Process LUA records for all zones (metadata overrides this)
+#
+# enable-lua-records=no
+
 #################################
 # entropy-source	If set, read entropy from this file
 #
@@ -319,6 +324,11 @@
 #
 # lua-prequery-script=
 
+#################################
+# lua-records-exec-limit	LUA records scripts execution limit (instructions count). Values <= 0 mean no limit
+#
+# lua-records-exec-limit=1000
+
 #################################
 # master	Act as a master
 #
@@ -399,11 +409,6 @@
 #
 # only-notify=0.0.0.0/0,::/0
 
-#################################
-# out-of-zone-additional-processing	Do out of zone additional processing
-#
-# out-of-zone-additional-processing=yes
-
 #################################
 # outgoing-axfr-expand-alias	Expand ALIAS records during outgoing AXFR
 #
@@ -464,11 +469,21 @@
 #
 # reuseport=no
 
+#################################
+# rng	Specify the random number generator to use. Valid values are auto,sodium,openssl,getrandom,arc4random,urandom.
+#
+# rng=auto
+
 #################################
 # security-poll-suffix	Domain name from which to query security update notifications
 #
 # security-poll-suffix=secpoll.powerdns.com.
 
+#################################
+# send-signed-notify	Send TSIG secured NOTIFY if TSIG key is configured for a domain
+#
+# send-signed-notify=yes
+
 #################################
 # server-id	Returned when queried for 'id.server' TXT or NSID, defaults to hostname - disabled or custom
 #
@@ -532,7 +547,7 @@
 #################################
 # superslave	Act as a superslave
 #
-# superslave=yes
+# superslave=no
 
 #################################
 # tcp-control-address	If set, PowerDNS can be controlled over TCP on this address
@@ -577,7 +592,7 @@
 #################################
 # udp-truncation-threshold	Maximum UDP response size before we truncate
 #
-# udp-truncation-threshold=1680
+# udp-truncation-threshold=1232
 
 #################################
 # version-string	PowerDNS version in packets - full, anonymous, powerdns or custom
@@ -599,6 +614,16 @@
 #
 # webserver-allow-from=127.0.0.1,::1
 
+#################################
+# webserver-loglevel	Amount of logging in the webserver (none, normal, detailed)
+#
+# webserver-loglevel=normal
+
+#################################
+# webserver-max-bodysize	Webserver/API maximum request/response body size in megabytes
+#
+# webserver-max-bodysize=2
+
 #################################
 # webserver-password	Password required for accessing the webserver
 #