--- a/doc/example.conf.in
+++ b/doc/example.conf.in
@@ -38,6 +38,8 @@ server:
# interface: 192.0.2.154
# interface: 192.0.2.154@5003
# interface: 2001:DB8::5
+ interface: 0.0.0.0
+ interface: ::0
# enable this feature to copy the source address of queries to reply.
# Socket options are not supported on all platforms. experimental.
@@ -57,6 +59,7 @@ server:
# port range that can be open simultaneously. About double the
# num-queries-per-thread, or, use as many as the OS will allow you.
# outgoing-range: 4096
+ outgoing-range: 60
# permit unbound to use this port number or port range for
# making outgoing queries, using an outgoing interface.
@@ -73,9 +76,11 @@ server:
# number of outgoing simultaneous tcp buffers to hold per thread.
# outgoing-num-tcp: 10
+ outgoing-num-tcp: 1
# number of incoming simultaneous tcp buffers to hold per thread.
# incoming-num-tcp: 10
+ incoming-num-tcp: 1
# buffer size for UDP port 53 incoming (SO_RCVBUF socket option).
# 0 is system default. Use 4m to catch query spikes for busy servers.
@@ -96,18 +101,22 @@ server:
# buffer size for handling DNS data. No messages larger than this
# size can be sent or received, by UDP or TCP. In bytes.
# msg-buffer-size: 65552
+ msg-buffer-size: 8192
# the amount of memory to use for the message cache.
# plain value in bytes or you can append k, m or G. default is "4Mb".
# msg-cache-size: 4m
+ msg-cache-size: 100k
# the number of slabs to use for the message cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
# msg-cache-slabs: 4
+ msg-cache-slabs: 1
# the number of queries that a thread gets to service.
# num-queries-per-thread: 1024
+ num-queries-per-thread: 30
# if very busy, 50% queries run to completion, 50% get timeout in msec
# jostle-timeout: 200
@@ -115,11 +124,13 @@ server:
# the amount of memory to use for the RRset cache.
# plain value in bytes or you can append k, m or G. default is "4Mb".
# rrset-cache-size: 4m
+ rrset-cache-size: 100k
# the number of slabs to use for the RRset cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
# rrset-cache-slabs: 4
+ rrset-cache-slabs: 1
# the time to live (TTL) value lower bound, in seconds. Default 0.
# If more than an hour could easily give trouble due to stale data.
@@ -137,9 +148,11 @@ server:
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
# infra-cache-slabs: 4
+ infra-cache-slabs: 1
# the maximum number of hosts that are cached (roundtrip, EDNS, lame).
# infra-cache-numhosts: 10000
+ infra-cache-numhosts: 200
# Enable IPv4, "yes" or "no".
# do-ip4: yes
@@ -170,6 +183,8 @@ server:
# access-control: ::0/0 refuse
# access-control: ::1 allow
# access-control: ::ffff:127.0.0.1 allow
+ access-control: 0.0.0.0/0 allow
+ access-control: ::0/0 allow
# if given, a chroot(2) is done to the given directory.
# i.e. you can chroot to the working directory, for example,
@@ -200,6 +215,7 @@ server:
# and the given username is assumed. Default is user "unbound".
# If you give "" no privileges are dropped.
# username: "@UNBOUND_USERNAME@"
+ username: ""
# the working directory. The relative files in this config are
# relative to this directory. If you give "" the working directory
@@ -222,10 +238,12 @@ server:
# the pid file. Can be an absolute path outside of chroot/work dir.
# pidfile: "@UNBOUND_PIDFILE@"
+ pidfile: "/var/run/unbound.pid"
# file to read root hints from.
# get one from ftp://FTP.INTERNIC.NET/domain/named.cache
# root-hints: ""
+ root-hints: "/etc/unbound/named.cache"
# enable to not answer id.server and hostname.bind queries.
# hide-identity: no
@@ -248,12 +266,15 @@ server:
# positive value: fetch that many targets opportunistically.
# Enclose the list of numbers between quotes ("").
# target-fetch-policy: "3 2 1 0 0"
+ target-fetch-policy: "2 1 0 0 0 0"
# Harden against very small EDNS buffer sizes.
# harden-short-bufsize: no
+ harden-short-bufsize: yes
# Harden against unseemly large queries.
# harden-large-queries: no
+ harden-large-queries: yes
# Harden against out of zone rrsets, to avoid spoofing attempts.
# harden-glue: yes
@@ -334,7 +355,7 @@ server:
# you start unbound (i.e. in the system boot scripts). And enable:
# Please note usage of unbound-anchor root anchor is at your own risk
# and under the terms of our LICENSE (see that file in the source).
- # auto-trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@"
+ auto-trust-anchor-file: "@UNBOUND_ROOTKEY_FILE@"
# File with DLV trusted keys. Same format as trust-anchor-file.
# There can be only one DLV configured, it is trusted from root down.
@@ -420,15 +441,18 @@ server:
# 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
+ key-cache-size: 100k
# the number of slabs to use for the key cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
# key-cache-slabs: 4
+ key-cache-slabs: 1
# the amount of memory to use for the negative cache (used for DLV).
# plain value in bytes or you can append k, m or G. default is "1Mb".
# neg-cache-size: 1m
+ neg-cache-size: 10k
# By default, for a number of zones a small default 'nothing here'
# reply is built-in. Query traffic is thus blocked. If you