1# Configuration file for dnsmasq. 2# 3# Format is one option per line, legal options are the same 4# as the long options legal on the command line. See 5# "/usr/sbin/dnsmasq --help" or "man 8 dnsmasq" for details. 6 7# Change these lines if you want dnsmasq to serve MX records. 8# Only one of mx-host and mx-target need be set, the other defaults 9# to the name of the host running dnsmasq. 10#mx-host= 11#mx-target= 12#selfmx 13#localmx 14 15# The following two options make you a better netizen, since they 16# tell dnsmasq to filter out queries which the public DNS cannot 17# answer, and which load the servers (especially the root servers) 18# uneccessarily. If you have a dial-on-demand link they also stop 19# these requests from bringing up the link uneccessarily. 20 21# Never forward plain names (with a dot or domain part) 22domain-needed 23# Never forward addresses in the non-routed address spaces. 24bogus-priv 25 26 27# Uncomment this to filter useless windows-originated DNS requests 28# which can trigger dial-on-demand links needlessly. 29# Note that (amongst other things) this blocks all SRV requests, 30# so don't use it if you use eg Kerberos. 31#filterwin2k 32 33# Change this line if you want dns to get its upstream servers from 34# somewhere other that /etc/resolv.conf 35#resolv-file= 36 37# By default, dnsmasq will send queries to any of the upstream 38# servers it knows about and tries to favour servers to are known 39# to be up. Uncommenting this forces dnsmasq to try each query 40# with each server strictly in the order they appear in 41# /etc/resolv.conf 42#strict-order 43 44# If you don't want dnsmasq to read /etc/resolv.conf or any other 45# file, getting its servers for this file instead (see below), then 46# uncomment this 47#no-resolv 48 49# If you don't want dnsmasq to poll /etc/resolv.conf or other resolv 50# files for changes and re-read them then uncomment this. 51#no-poll 52 53# Add other name servers here, with domain specs if they are for 54# non-public domains. 55#server=/localnet/192.168.0.1 56 57# Add local-only domains here, queries in these domains are answered 58# from /etc/hosts or DHCP only. 59#local=/localnet/ 60 61# Add domains which you want to force to an IP address here. 62# The example below send any host in doubleclick.net to a local 63# webserver. 64#address=/doubleclick.net/127.0.0.1 65 66# You no longer (as of version 1.7) need to set these to enable 67# dnsmasq to read /etc/ppp/resolv.conf since dnsmasq now uses the 68# "dip" group to achieve this. 69#user= 70#group= 71 72# If you want dnsmasq to listen for requests only on specified interfaces 73# (and the loopback) give the name of the interface (eg eth0) here. 74# Repeat the line for more than one interface. 75#interface= 76# Or you can specify which interface _not_ to listen on 77#except-interface= 78# Or which to listen on by address (remember to include 127.0.0.1 if 79# you use this.) 80#listen-address= 81 82# On systems which support it, dnsmasq binds the wildcard address, 83# even when it is listening on only some interfaces. It then discards 84# requests that it shouldn't reply to. This has the advantage of 85# working even when interfaces come and go and change address. If you 86# want dnsmasq to really bind only the interfaces it is listening on, 87# uncomment this option. About the only time you may need this is when 88# running another nameserver on the same machine. 89#bind-interfaces 90 91# If you don't want dnsmasq to read /etc/hosts, uncomment the 92# following line. 93#no-hosts 94# or if you want it to read another file, as well as /etc/hosts, use 95# this. 96#addn-hosts=/etc/banner_add_hosts 97 98# Set this (and domain: see below) if you want to have a domain 99# automatically added to simple names in a hosts-file. 100#expand-hosts 101 102# Set the domain for dnsmasq. this is optional, but if it is set, it 103# does the following things. 104# 1) Allows DHCP hosts to have fully qualified domain names, as long 105# as the domain part matches this setting. 106# 2) Sets the "domain" DHCP option thereby potentially setting the 107# domain of all systems configured by DHCP 108# 3) Provides the domain part for "expand-hosts" 109#domain=thekelleys.org.uk 110 111# Uncomment this to enable the integrated DHCP server, you need 112# to supply the range of addresses available for lease and optionally 113# a lease time. If you have more than one network, you will need to 114# repeat this for each network on which you want to supply DHCP 115# service. 116#dhcp-range=192.168.0.50,192.168.0.150,12h 117 118# This is an example of a DHCP range where the netmask is given. This 119# is needed for networks we reach the dnsmasq DHCP server via a relay 120# agent. If you don't know what a DHCP relay agent is, you probably 121# don't need to worry about this. 122#dhcp-range=192.168.0.50,192.168.0.150,255.255.255.0,12h 123 124# This is an example of a DHCP range with a network-id, so that 125# some DHCP options may be set only for this network. 126#dhcp-range=red,192.168.0.50,192.168.0.150 127 128# Supply parameters for specified hosts using DHCP. There are lots 129# of valid alternatives, so we will give examples of each. Note that 130# IP addresses DO NOT have to be in the range given above, they just 131# need to be on the same network. The order of the parameters in these 132# do not matter, it's permissble to give name,adddress and MAC in any order 133 134# Always allocate the host with ethernet address 11:22:33:44:55:66 135# The IP address 192.168.0.60 136#dhcp-host=11:22:33:44:55:66,192.168.0.60 137 138# Always set the name of the host with hardware address 139# 11:22:33:44:55:66 to be "fred" 140#dhcp-host=11:22:33:44:55:66,fred 141 142# Always give the host with ethernet address 11:22:33:44:55:66 143# the name fred and IP address 192.168.0.60 and lease time 45 minutes 144#dhcp-host=11:22:33:44:55:66,fred,192.168.0.60,45m 145 146# Give the machine which says it's name is "bert" IP address 147# 192.168.0.70 and an infinite lease 148#dhcp-host=bert,192.168.0.70,infinite 149 150# Always give the host with client identifier 01:02:02:04 151# the IP address 192.168.0.60 152#dhcp-host=id:01:02:02:04,192.168.0.60 153 154# Always give the host with client identifier "marjorie" 155# the IP address 192.168.0.60 156#dhcp-host=id:marjorie,192.168.0.60 157 158# Enable the address given for "judge" in /etc/hosts 159# to be given to a machine presenting the name "judge" when 160# it asks for a DHCP lease. 161#dhcp-host=judge 162 163# Never offer DHCP service to a machine whose ethernet 164# address is 11:22:33:44:55:66 165#dhcp-host=11:22:33:44:55:66,ignore 166 167# Ignore any client-id presented by the machine with ethernet 168# address 11:22:33:44:55:66. This is useful to prevent a machine 169# being treated differently when running under different OS's or 170# between PXE boot and OS boot. 171#dhcp-host=11:22:33:44:55:66,id:* 172 173# Send extra options which are tagged as "red" to 174# the machine with ethernet address 11:22:33:44:55:66 175#dhcp-host=11:22:33:44:55:66,net:red 176 177# Send extra options which are tagged as "red" to any machine whose 178# DHCP vendorclass string includes the substring "Linux" 179#dhcp-vendorclass=red,Linux 180 181# Send extra options which are tagged as "red" to any machine one 182# of whose DHCP userclass strings includes the substring "accounts" 183#dhcp-userclass=red,accounts 184 185# If this line is uncommented, dnsmasq will read /etc/ethers and act 186# on the ethernet-address/IP pairs found there just as if they had 187# been given as --dhcp-host options. Useful if you keep 188# MAC-address/host mappings there for other purposes. 189#read-ethers 190 191# Send options to hosts which ask for a DHCP lease. 192# See RFC 2132 for details of available options. 193# Note that all the common settings, such as netmask and 194# broadcast address, DNS server and default route, are given 195# sane defaults by dnsmasq. You very likely will not need any 196# any dhcp-options. If you use Windows clients and Samba, there 197# are some options which are recommended, they are detailed at the 198# end of this section. 199# For reference, the common options are: 200# subnet mask - 1 201# default router - 3 202# DNS server - 6 203# broadcast address - 28 204 205# Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5 206#dhcp-option=42,192.168.0.4,10.10.0.5 207 208# Set the NTP time server address to be the same machine as 209# is running dnsmasq 210#dhcp-option=42,0.0.0.0 211 212# Set the NIS domain name to "welly" 213#dhcp-option=40,welly 214 215# Set the default time-to-live to 50 216#dhcp-option=23,50 217 218# Set the "all subnets are local" flag 219#dhcp-option=27,1 220 221# Send the etherboot magic flag and then etherboot options (a string). 222#dhcp-option=128,e4:45:74:68:00:00 223#dhcp-option=129,NIC=eepro100 224 225# Specify an option which will only be sent to the "red" network 226# (see dhcp-range for the declaration of the "red" network) 227#dhcp-option=red,42,192.168.1.1 228 229# The following DHCP options set up dnsmasq in the same way as is specified 230# for the ISC dhcpcd in 231# http://www.samba.org/samba/ftp/docs/textdocs/DHCP-Server-Configuration.txt 232# adapted for a typical dnsmasq installation where the host running 233# dnsmasq is also the host running samba. 234# you may want to uncomment them if you use Windows clients and Samba. 235#dhcp-option=19,0 # option ip-forwarding off 236#dhcp-option=44,0.0.0.0 # set netbios-over-TCP/IP nameserver(s) aka WINS server(s) 237#dhcp-option=45,0.0.0.0 # netbios datagram distribution server 238#dhcp-option=46,8 # netbios node type 239#dhcp-option=47 # empty netbios scope. 240 241 242# Set the boot filename and tftpd server name and address 243# for BOOTP. You will only need this is you want to 244# boot machines over the network. 245#dhcp-boot=/var/ftpd/pxelinux.0,boothost,192.168.0.3 246 247# Set the limit on DHCP leases, the default is 150 248#dhcp-lease-max=150 249 250# The DHCP server needs somewhere on disk to keep its lease database. 251# This defaults to a sane location, but if you want to change it, use 252# the line below. 253#dhcp-leasefile=/var/lib/misc/dnsmasq.leases 254 255# Set the cachesize here. 256#cache-size=150 257 258# If you want to disable negative caching, uncomment this. 259#no-negcache 260 261# Normally responses which come form /etc/hosts and the DHCP lease 262# file have Time-To-Live set as zero, which conventionally means 263# do not cache further. If you are happy to trade lower load on the 264# server for potentially stale date, you can set a time-to-live (in 265# seconds) here. 266#local-ttl= 267 268# If you want dnsmasq to detect attempts by Verisign to send queries 269# to unregistered .com and .net hosts to its sitefinder service and 270# have dnsmasq instead return the correct NXDOMAIN response, uncomment 271# this line. You can add similar lines to do the same for other 272# registries which have implemented wildcard A records. 273#bogus-nxdomain=64.94.110.11 274 275# If you want to fix up DNS results from upstream servers, use the 276# alias option. This only works for IPv4. 277# This alias makes a result of 1.2.3.4 appear as 5.6.7.8 278#alias=1.2.3.4,5.6.7.8 279# and this maps 1.2.3.x to 5.6.7.x 280#alias=1.2.3.0,5.6.7.0,255.255.255.0 281 282# For debugging purposes, log each DNS query as it passes through 283# dnsmasq. 284#log-queries 285 286# Include a another lot of configuration options. 287#conf-file=/etc/dnsmasq.more.conf 288 289 290 291 292 293