nsd users - May 2020 - NSD still shows permission errors on Debian 10 Buster

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Looks like the packager / maintainer needs to add User and Group settings to
?nsd? in the systemd service files ?

Sent from my iPhone
> On May 9, 2020, at 01:13, Kaulkwappe via nsd-users <nsd-users at
lists.nlnetlabs.nl> wrote:
> 
> ?Dear colleagues,
> 
> unfortunately NSD 4.1.26 still does not work on Debian 10 Buster due to
permission errors.
> 
> I have tested it on two fresh Debian 10 Buster installations and I still
get this error messages:
> 
> > error: Cannot open /var/log/nsd.log for appending (Read-only file
system), logging to stderr
> > warning: failed to unlink pidfile /run/nsd/nsd.pid: Permission denied
> > error: could not open zone list /var/lib/nsd/zone.list: Permission
denied
> > error: could not read zonelist file /var/lib/nsd/zone.list
> 
> Please find attached the configuration file I use (in this case for the
master, slave is almost the same).
> 
> Kind Regards,
> Kaulkwappe
> 
> ---
> 
> #
> # nsd.conf -- the NSD(8) configuration file, nsd.conf(5).
> #
> # Copyright (c) 2001-2011, NLnet Labs. All rights reserved.
> #
> # See LICENSE for the license.
> #
> 
> # This is a comment.
> # Sample configuration file
> # include: "file" # include that file's text over here. 
Globbed, "*.conf"
> 
> # options for the nsd server
> server:
> 	# Number of NSD servers to fork.  Put the number of CPUs to use here.
> 	# server-count: 1
> 
> 	# uncomment to specify specific interfaces to bind (default are the
> 	# wildcard interfaces 0.0.0.0 and ::0).
> 	# For servers with multiple IP addresses, list them one by one,
> 	# or the source address of replies could be wrong.
> 	# Use ip-transparent to be able to list addresses that turn on later.
> 	# ip-address: 1.2.3.4
> 	# ip-address: 1.2.3.4 at 5678
> 	# ip-address: 12fe::8ef0
> 	
> 	ip-address: 45.***.***.***
> 	ip-address: 2a03:***:***:***::***
> 
> 	# Allow binding to non local addresses. Default no.
> 	# ip-transparent: no
> 
> 	# Allow binding to addresses that are down.  Default no.
> 	# ip-freebind: no
> 
> 	# use the reuseport socket option for performance. Default no.
> 	# reuseport: no
> 
> 	# enable debug mode, does not fork daemon process into the background.
> 	# debug-mode: no
> 
> 	# listen on IPv4 connections
> 	do-ip4: yes
> 
> 	# listen on IPv6 connections
> 	do-ip6: yes
> 
> 	# port to answer queries on. default is 53.
> 	port: 53
> 
> 	# Verbosity level.
> 	# verbosity: 0
> 
> 	# After binding socket, drop user privileges.
> 	# can be a username, id or id.gid.
> 	username: nsd
> 
> 	# Run NSD in a chroot-jail.
> 	# make sure to have pidfile and database reachable from there.
> 	# by default, no chroot-jail is used.
> 	# chroot: "/etc/nsd"
> 
> 	# The directory for zonefile: files.  The daemon chdirs here.
> 	zonesdir: "/etc/nsd/zones"
> 	
> 	# the list of dynamically added zones.
> 	zonelistfile: "/var/lib/nsd/zone.list"
> 
> 	# the database to use
> 	# if set to "" then no disk-database is used, less memory usage.
> 	#database: "/var/lib/nsd/nsd.db"
> 	database: ""
> 
> 	# log messages to file. Default to stderr and syslog (with
> 	# facility LOG_DAEMON).  stderr disappears when daemon goes to bg.
> 	logfile: "/var/log/nsd.log"
> 
> 	# File to store pid for nsd in.
> 	pidfile: "/run/nsd/nsd.pid"
> 
> 	# The file where secondary zone refresh and expire timeouts are kept.
> 	# If you delete this file, all secondary zones are forced to be 
> 	# 'refreshing' (as if nsd got a notify).  Set to "" to
disable.
> 	# xfrdfile: "/var/lib/nsd/xfrd.state"
> 
> 	# The directory where zone transfers are stored, in a subdir of it.
> 	# xfrdir: "/tmp"
> 
> 	# don't answer VERSION.BIND and VERSION.SERVER CHAOS class queries
> 	hide-version: yes
> 
> 	# version string the server responds with for chaos queries.
> 	# default is 'NSD x.y.z' with the server's version number.
> 	# version: "NSD"
> 
> 	# identify the server (CH TXT ID.SERVER entry).
> 	# identity: "unidentified server"
> 
> 	# NSID identity (hex string, or "ascii_somestring"). default
disabled.
> 	# nsid: "aabbccdd"
> 
> 	# Maximum number of concurrent TCP connections per server.
> 	# tcp-count: 100
> 
> 	# Maximum number of queries served on a single TCP connection.
> 	# By default 0, which means no maximum.
> 	# tcp-query-count: 0
> 
> 	# Override the default (120 seconds) TCP timeout.
> 	# tcp-timeout: 120
> 
> 	# Maximum segment size (MSS) of TCP socket on which the server
> 	# responds to queries. Default is 0, system default MSS.
> 	# tcp-mss: 0
> 
> 	# Maximum segment size (MSS) of TCP socket for outgoing AXFR request.
> 	# Default is 0, system default MSS.
> 	# outgoing-tcp-mss: 0
> 
> 	# Preferred EDNS buffer size for IPv4.
> 	# ipv4-edns-size: 4096
> 
> 	# Preferred EDNS buffer size for IPv6.
> 	# ipv6-edns-size: 4096
> 
> 	# statistics are produced every number of seconds. Prints to log.
> 	# Default is 0, meaning no statistics are produced.
> 	#statistics: 3600
> 
> 	# Number of seconds between reloads triggered by xfrd.
> 	# xfrd-reload-timeout: 1
> 	
> 	# log timestamp in ascii (y-m-d h:m:s.msec), yes is default.
> 	# log-time-ascii: yes
> 
> 	# round robin rotation of records in the answer.
> 	# round-robin: no
> 
> 	# check mtime of all zone files on start and sighup
> 	# zonefiles-check: yes
> 	
> 	# write changed zonefiles to disk, every N seconds.
> 	# default is 0(disabled) or 3600(if database is "").
> 	zonefiles-write: 1800
> 
> 	# RRLconfig
> 	# Response Rate Limiting, size of the hashtable. Default 1000000.
> 	# rrl-size: 1000000
> 
> 	# Response Rate Limiting, maximum QPS allowed (from one query source).
> 	# If set to 0, ratelimiting is disabled. Also set
> 	# rrl-whitelist-ratelimit to 0 to disable ratelimit processing.
> 	# Default is on.
> 	# rrl-ratelimit: 200
> 
> 	# Response Rate Limiting, number of packets to discard before
> 	# sending a SLIP response (a truncated one, allowing an honest
> 	# resolver to retry with TCP). Default is 2 (one half of the
> 	# queries will receive a SLIP response, 0 disables SLIP (all
> 	# packets are discarded), 1 means every request will get a
> 	# SLIP response.  When the ratelimit is hit the traffic is
> 	# divided by the rrl-slip value.
> 	# rrl-slip: 2
> 
> 	# Response Rate Limiting, IPv4 prefix length. Addresses are
> 	# grouped by netblock. 
> 	# rrl-ipv4-prefix-length: 24
> 
> 	# Response Rate Limiting, IPv6 prefix length. Addresses are
> 	# grouped by netblock. 
> 	# rrl-ipv6-prefix-length: 64
> 
> 	# Response Rate Limiting, maximum QPS allowed (from one query source)
> 	# for whitelisted types. Default is on.
> 	# rrl-whitelist-ratelimit: 2000
> 	# RRLend
> 
> # Remote control config section. 
> remote-control:
> 	# Enable remote control with nsd-control(8) here.
> 	# set up the keys and certificates with nsd-control-setup.
> 	control-enable: yes
> 
> 	# what interfaces are listened to for control, default is on localhost.
> 	control-interface: 127.0.0.1
> 	#control-interface: ::1
> 
> 	# port number for remote control operations (uses TLS over TCP).
> 	control-port: 8952
> 
> 	# nsd server key file for remote control.
> 	server-key-file: "/etc/nsd/nsd_server.key"
> 
> 	# nsd server certificate file for remote control.
> 	server-cert-file: "/etc/nsd/nsd_server.pem"
> 
> 	# nsd-control key file.
> 	control-key-file: "/etc/nsd/nsd_control.key"
> 
> 	# nsd-control certificate file.
> 	control-cert-file: "/etc/nsd/nsd_control.pem"
> 
> 
> # Secret keys for TSIGs that secure zone transfers.
> # You could include: "secret.keys" and put the 'key:'
statements in there,
> # and give that file special access control permissions.
> #
> key:
> 	# The key name is sent to the other party, it must be the same
> 	name: "masterkey"
> 	# algorithm hmac-md5, or sha1, sha256, sha224, sha384, sha512
> 	algorithm: sha384
> 	# secret material, must be the same as the other party uses.
> 	# base64 encoded random number.
> 	# e.g. from dd if=/dev/random of=/dev/stdout count=1 bs=32 | base64
> 	secret: "***"
> 
> 
> # Patterns have zone configuration and they are shared by one or more
zones.
> # 
> pattern:
> 	# name by which the pattern is referred to
> 	name: "nsd-api"
> 	# the zonefile for the zones that use this pattern.
> 	# if relative then from the zonesdir (inside the chroot).
> 	# the name is processed: %s - zone name (as appears in zone:name).
> 	# %1 - first character of zone name, %2 second, %3 third.
> 	# %z - topleveldomain label of zone, %y, %x next labels in name.
> 	# if label or character does not exist you get a dot '.'.
> 	# for example "%s.zone" or "zones/%1/%2/%3/%s" or
"secondary/%z/%s"
> 	zonefile: "%s.zone"
> 	
> 	# If no master and slave access control elements are provided,
> 	# this zone will not be served to/from other servers.
> 
> 	# A master zone needs notify: and provide-xfr: lists.  A slave
> 	# may also allow zone transfer (for debug or other secondaries).
> 	# notify these slaves when the master zone changes, address TSIG|NOKEY
> 	# IP can be ipv4 and ipv6, with @port for a nondefault port number.
> 	notify: 95.***.***.*** masterkey
> 	# allow these IPs and TSIG to transfer zones, addr TSIG|NOKEY|BLOCKED
> 	# address range 192.0.2.0/24, 1.2.3.4&255.255.0.0, 3.0.2.20-3.0.2.40
> 	provide-xfr: 95.***.***.*** masterkey
> 	# set the number of retries for notify.
> 	#notify-retry: 5
> 
> 	# uncomment to provide AXFR to all the world
> 	# provide-xfr: 0.0.0.0/0 NOKEY
> 	# provide-xfr: ::0/0 NOKEY
> 
> 	# A slave zone needs allow-notify: and request-xfr: lists.
> 	#allow-notify: 2001:db8::0/64 my_tsig_key_name
> 	# By default, a slave will request a zone transfer with IXFR/TCP.
> 	# If you want to make use of IXFR/UDP use: UDP addr tsigkey
> 	# for a master that only speaks AXFR (like NSD) use AXFR addr tsigkey
> 	#request-xfr: 192.0.2.2 the_tsig_key_name
> 	# Attention: You cannot use UDP and AXFR together. AXFR is always over 
> 	# TCP. If you use UDP, we higly recommend you to deploy TSIG.
> 	# Allow AXFR fallback if the master does not support IXFR. Default
> 	# is yes.
> 	#allow-axfr-fallback: yes
> 	# set local interface for sending zone transfer requests.
> 	# default is let the OS choose.
> 	#outgoing-interface: 10.0.0.10
> 	# limit the refresh and retry interval in seconds.
> 	#max-refresh-time: 2419200
> 	#min-refresh-time: 0
> 	#max-retry-time: 1209600
> 	#min-retry-time: 0
> 	# Slave server tries zone transfer to all masters and picks highest
> 	# zone version available, for when masters have different versions.
> 	#multi-master-check: no
> 
> 	# limit the zone transfer size (in bytes), stops very large transfers
> 	# 0 is no limits enforced.
> 	# size-limit-xfr: 0
> 
> 	# if compiled with --enable-zone-stats, give name of stat block for
> 	# this zone (or group of zones).  Output from nsd-control stats.
> 	# zonestats: "%s"
> 
> 	# if you give another pattern name here, at this point the settings
> 	# from that pattern are inserted into this one (as if it were a 
> 	# macro).  The statement can be given in between other statements,
> 	# because the order of access control elements can make a difference
> 	# (which master to request from first, which slave to notify first).
> 	#include-pattern: "common-masters"
> 
> 
> # Fixed zone entries.  Here you can config zones that cannot be deleted.
> # Zones that are dynamically added and deleted are put in the zonelist
file.
> #
> # zone:
>  	# name: "example.com"
>  	# you can give a pattern here, all the settings from that pattern
>  	# are then inserted at this point
>  	# include-pattern: "master"
>  	# You can also specify (additional) options directly for this zone.
>  	# zonefile: "example.com.zone"
>  	# request-xfr: 192.0.2.1 example.com.key
> 
> 	# RRLconfig
> 	# Response Rate Limiting, whitelist types
> 	# rrl-whitelist: nxdomain
> 	# rrl-whitelist: error
> 	# rrl-whitelist: referral
> 	# rrl-whitelist: any
> 	# rrl-whitelist: rrsig
> 	# rrl-whitelist: wildcard
> 	# rrl-whitelist: nodata
> 	# rrl-whitelist: dnskey
> 	# rrl-whitelist: positive
> 	# rrl-whitelist: all
> 	# RRLend
> 
> _______________________________________________
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> nsd-users at lists.nlnetlabs.nl
> https://lists.nlnetlabs.nl/mailman/listinfo/nsd-users
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