mirror of
https://github.com/sujiba/pihole-unbound-hyperlocal.git
synced 2025-07-11 06:05:14 +02:00
228 lines
8.5 KiB
Text
228 lines
8.5 KiB
Text
server:
|
|
###########################################################################
|
|
# BASIC SETTINGS
|
|
###########################################################################
|
|
|
|
# Listen to for queries from clients and answer from this network interface
|
|
# and port.
|
|
interface: 127.0.0.1
|
|
port: 5335
|
|
do-ip4: yes
|
|
do-udp: yes
|
|
do-tcp: yes
|
|
|
|
# Maybe set to yes if you have IPv6 connectivity
|
|
do-ip6: no
|
|
# and for *native* IPv6
|
|
prefer-ip6: no
|
|
|
|
# where to find root server data
|
|
root-hints: /var/lib/unbound/root.hints
|
|
|
|
# Reduce EDNS reassembly buffer size.
|
|
# Suggested by the unbound man page to reduce fragmentation reassembly problems
|
|
edns-buffer-size: 1472
|
|
|
|
# Rotates RRSet order in response (the pseudo-random number is taken from
|
|
# the query ID, for speed and thread safety).
|
|
rrset-roundrobin: yes
|
|
|
|
# Drop privileges after binding the port.
|
|
username: "unbound"
|
|
|
|
###########################################################################
|
|
# LOGGING
|
|
###########################################################################
|
|
|
|
# If no logfile is specified, syslog is used
|
|
#logfile: "/var/log/unbound/unbound.log"
|
|
log-time-ascii: yes
|
|
|
|
# The verbosity number,
|
|
# level 0 means no verbosity, only errors.
|
|
# level 1 gives operational information.
|
|
verbosity: 1
|
|
|
|
# Do not print log lines to inform about local zone actions
|
|
log-local-actions: no
|
|
|
|
# Do not print one line per query to the log
|
|
log-queries: no
|
|
|
|
# Do not print one line per reply to the log
|
|
log-replies: no
|
|
|
|
# Do not print log lines that say why queries return SERVFAIL to clients
|
|
log-servfail: no
|
|
|
|
# Further limit logging
|
|
logfile: /dev/null
|
|
|
|
###########################################################################
|
|
# PRIVACY SETTINGS
|
|
###########################################################################
|
|
|
|
# RFC 8198. Use the DNSSEC NSEC chain to synthesize NXDO-MAIN and other
|
|
# denials, using information from previous NXDO-MAINs answers. In other
|
|
# words, use cached NSEC records to generate negative answers within a
|
|
# range and positive answers from wildcards. This increases performance,
|
|
# decreases latency and resource utilization on both authoritative and
|
|
# recursive servers, and increases privacy. Also, it may help increase
|
|
# resilience to certain DoS attacks in some circumstances.
|
|
aggressive-nsec: yes
|
|
|
|
# Extra delay for timeouted UDP ports before they are closed, in msec.
|
|
# This prevents very delayed answer packets from the upstream (recursive)
|
|
# servers from bouncing against closed ports and setting off all sort of
|
|
# close-port counters, with eg. 1500 msec. When timeouts happen you need
|
|
# extra sockets, it checks the ID and remote IP of packets, and unwanted
|
|
# packets are added to the unwanted packet counter.
|
|
delay-close: 10000
|
|
|
|
# Prevent the unbound server from forking into the background as a daemon
|
|
do-daemonize: no
|
|
|
|
# Add localhost to the do-not-query-address list.
|
|
do-not-query-localhost: no
|
|
|
|
# Number of bytes size of the aggressive negative cache.
|
|
neg-cache-size: 4M
|
|
|
|
# Send minimum amount of information to upstream servers to enhance
|
|
# privacy (best privacy).
|
|
qname-minimisation: yes
|
|
|
|
###########################################################################
|
|
# SECURITY SETTINGS
|
|
###########################################################################
|
|
|
|
# Only give access to recursion clients from LAN IPs
|
|
access-control: 127.0.0.1/32 allow
|
|
access-control: 192.168.0.0/16 allow
|
|
access-control: 172.16.0.0/12 allow
|
|
access-control: 10.0.0.0/8 allow
|
|
|
|
# Enable chroot (i.e, change apparent root directory for the current
|
|
# running process and its children)
|
|
#chroot: "/etc/unbound"
|
|
|
|
# Deny queries of type ANY with an empty response.
|
|
deny-any: yes
|
|
|
|
# Harden against algorithm downgrade when multiple algorithms are
|
|
# advertised in the DS record.
|
|
harden-algo-downgrade: yes
|
|
|
|
# RFC 8020. returns nxdomain to queries for a name below another name that
|
|
# is already known to be nxdomain.
|
|
harden-below-nxdomain: yes
|
|
|
|
# Require DNSSEC data for trust-anchored zones, if such data is absent, the
|
|
# zone becomes bogus. If turned off you run the risk of a downgrade attack
|
|
# that disables security for a zone.
|
|
harden-dnssec-stripped: yes
|
|
|
|
# Trust glue only if it is within the server's authority
|
|
harden-glue: yes
|
|
|
|
# Ignore very large queries.
|
|
harden-large-queries: yes
|
|
|
|
# Perform additional queries for infrastructure data to harden the referral
|
|
# path. Validates the replies if trust anchors are configured and the zones
|
|
# are signed. This enforces DNSSEC validation on nameserver NS sets and the
|
|
# nameserver addresses that are encountered on the referral path to the
|
|
# answer. Experimental option.
|
|
harden-referral-path: no
|
|
|
|
# Ignore very small EDNS buffer sizes from queries.
|
|
harden-short-bufsize: yes
|
|
|
|
# Refuse id.server and hostname.bind queries
|
|
hide-identity: yes
|
|
|
|
# Refuse version.server and version.bind queries
|
|
hide-version: yes
|
|
|
|
# Set the HTTP User-Agent header for outgoing HTTP requests. If
|
|
# set to "", the default, then the package name and version are
|
|
# used.
|
|
#http-user-agent: "DNS"
|
|
|
|
# Report this identity rather than the hostname of the server.
|
|
identity: "DNS"
|
|
|
|
# These private network addresses are not allowed to be returned for public
|
|
# internet names. Any occurrence of such addresses are removed from DNS
|
|
# answers. Additionally, the DNSSEC validator may mark the answers bogus.
|
|
# This protects against DNS Rebinding
|
|
private-address: 10.0.0.0/8
|
|
private-address: 172.16.0.0/12
|
|
private-address: 169.254.0.0/16
|
|
private-address: 192.168.0.0/16
|
|
private-address: fd00::/8
|
|
private-address: fe80::/10
|
|
|
|
# Enable ratelimiting of queries (per second) sent to nameserver for
|
|
# performing recursion. More queries are turned away with an error
|
|
# (servfail). This stops recursive floods (e.g., random query names), but
|
|
# not spoofed reflection floods. Cached responses are not rate limited by
|
|
# this setting. Experimental option.
|
|
ratelimit: 1000
|
|
|
|
# Set the total number of unwanted replies to eep track of in every thread.
|
|
# When it reaches the threshold, a defensive action of clearing the rrset
|
|
# and message caches is taken, hopefully flushing away any poison.
|
|
# Unbound suggests a value of 10 million.
|
|
unwanted-reply-threshold: 10000
|
|
|
|
# Don't use Capitalization randomization as it known to cause DNSSEC issues sometimes
|
|
# see https://discourse.pi-hole.net/t/unbound-stubby-or-dnscrypt-proxy/9378 for further details
|
|
# !! Änderung gegenüber Pi-hole. Wenn es Fehler gibt, hier no statt yes probieren. !!
|
|
use-caps-for-id: yes
|
|
|
|
# Help protect users that rely on this validator for authentication from
|
|
# potentially bad data in the additional section. Instruct the validator to
|
|
# remove data from the additional section of secure messages that are not
|
|
# signed properly. Messages that are insecure, bogus, indeterminate or
|
|
# unchecked are not affected.
|
|
val-clean-additional: yes
|
|
|
|
###########################################################################
|
|
# PERFORMANCE SETTINGS
|
|
###########################################################################
|
|
# https://nlnetlabs.nl/documentation/unbound/howto-optimise/
|
|
# https://nlnetlabs.nl/news/2019/Feb/05/unbound-1.9.0-released/
|
|
|
|
# Perform prefetching of close to expired message cache entries
|
|
# This only applies to domains that have been frequently queried
|
|
prefetch: yes
|
|
|
|
# fetch DS records earlier (DNSSEC): more cpu usage, less latency
|
|
prefetch-key: yes
|
|
|
|
# One thread should be sufficient, can be increased on beefy machines
|
|
num-threads: 1
|
|
|
|
# increase cache size to utilize more RAM, rrset=msg*2
|
|
msg-cache-size: 64m
|
|
rrset-cache-size: 128m
|
|
|
|
|
|
remote-control:
|
|
control-enable: no
|
|
|
|
# get data for all TLDs by IXFR (or AXFR) from root servers
|
|
# these are the only servers that answer an IXFR query
|
|
auth-zone:
|
|
name: "."
|
|
primary: 199.9.14.201 # b.root-servers.net
|
|
primary: 192.33.4.12 # c.root-servers.net
|
|
primary: 192.112.36.4 # g.root-servers.net
|
|
primary: 2001:500:200::b # b.root-servers.net
|
|
primary: 2001:500:2::c # c.root-servers.net
|
|
primary: 2001:500:12::d0d # g.root-servers.net
|
|
fallback-enabled: yes
|
|
for-downstream: no
|
|
for-upstream: yes
|
|
zonefile: /var/lib/unbound/root.zone
|