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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
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7# Listen on this specific port instead of the standard DNS port
8# (53). Setting this to zero completely disables DNS function,
9# leaving only DHCP and/or TFTP.
10#port=5353
11
b8187c80 12# The following two options make you a better netizen, since they
9e4abcb5 13# tell dnsmasq to filter out queries which the public DNS cannot
b8187c80 14# answer, and which load the servers (especially the root servers)
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15# unnecessarily. If you have a dial-on-demand link they also stop
16# these requests from bringing up the link unnecessarily.
9e4abcb5 17
3d8df260 18# Never forward plain names (without a dot or domain part)
1697269c 19#domain-needed
c1bb8504 20# Never forward addresses in the non-routed address spaces.
1697269c 21#bogus-priv
9e4abcb5 22
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23# Uncomment these to enable DNSSEC validation and caching:
24# (Requires dnsmasq to be built with DNSSEC option.)
25#conf-file=%%PREFIX%%/share/dnsmasq/trust-anchors.conf
26#dnssec
9e4abcb5 27
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28# Replies which are not DNSSEC signed may be legitimate, because the domain
29# is unsigned, or may be forgeries. Setting this option tells dnsmasq to
30# check that an unsigned reply is OK, by finding a secure proof that a DS
31# record somewhere between the root and the domain does not exist.
32# The cost of setting this is that even queries in unsigned domains will need
33# one or more extra DNS queries to verify.
34#dnssec-check-unsigned
35
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36# Uncomment this to filter useless windows-originated DNS requests
37# which can trigger dial-on-demand links needlessly.
b8187c80 38# Note that (amongst other things) this blocks all SRV requests,
824af85b 39# so don't use it if you use eg Kerberos, SIP, XMMP or Google-talk.
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40# This option only affects forwarding, SRV records originating for
41# dnsmasq (via srv-host= lines) are not suppressed by it.
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42#filterwin2k
43
9e4abcb5 44# Change this line if you want dns to get its upstream servers from
b8187c80 45# somewhere other that /etc/resolv.conf
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46#resolv-file=
47
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48# By default, dnsmasq will send queries to any of the upstream
49# servers it knows about and tries to favour servers to are known
50# to be up. Uncommenting this forces dnsmasq to try each query
51# with each server strictly in the order they appear in
52# /etc/resolv.conf
53#strict-order
54
9e4abcb5 55# If you don't want dnsmasq to read /etc/resolv.conf or any other
b8187c80 56# file, getting its servers from this file instead (see below), then
832af0ba 57# uncomment this.
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58#no-resolv
59
60# If you don't want dnsmasq to poll /etc/resolv.conf or other resolv
61# files for changes and re-read them then uncomment this.
62#no-poll
63
b8187c80 64# Add other name servers here, with domain specs if they are for
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65# non-public domains.
66#server=/localnet/192.168.0.1
67
28866e95 68# Example of routing PTR queries to nameservers: this will send all
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69# address->name queries for 192.168.3/24 to nameserver 10.1.2.3
70#server=/3.168.192.in-addr.arpa/10.1.2.3
71
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72# Add local-only domains here, queries in these domains are answered
73# from /etc/hosts or DHCP only.
74#local=/localnet/
75
76# Add domains which you want to force to an IP address here.
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77# The example below send any host in double-click.net to a local
78# web-server.
79#address=/double-click.net/127.0.0.1
9e4abcb5 80
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81# --address (and --server) work with IPv6 addresses too.
82#address=/www.thekelleys.org.uk/fe80::20d:60ff:fe36:f83
83
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84# Add the IPs of all queries to yahoo.com, google.com, and their
85# subdomains to the vpn and search ipsets:
86#ipset=/yahoo.com/google.com/vpn,search
87
28866e95 88# You can control how dnsmasq talks to a server: this forces
824af85b 89# queries to 10.1.2.3 to be routed via eth1
8ef5ada2 90# server=10.1.2.3@eth1
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91
92# and this sets the source (ie local) address used to talk to
93# 10.1.2.3 to 192.168.1.1 port 55 (there must be a interface with that
94# IP on the machine, obviously).
8ef5ada2 95# server=10.1.2.3@192.168.1.1#55
824af85b 96
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97# If you want dnsmasq to change uid and gid to something other
98# than the default, edit the following lines.
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99#user=
100#group=
101
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102# If you want dnsmasq to listen for DHCP and DNS requests only on
103# specified interfaces (and the loopback) give the name of the
104# interface (eg eth0) here.
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105# Repeat the line for more than one interface.
106#interface=
107# Or you can specify which interface _not_ to listen on
108#except-interface=
109# Or which to listen on by address (remember to include 127.0.0.1 if
110# you use this.)
111#listen-address=
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112# If you want dnsmasq to provide only DNS service on an interface,
113# configure it as shown above, and then use the following line to
28866e95 114# disable DHCP and TFTP on it.
3d8df260 115#no-dhcp-interface=
9e4abcb5 116
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117# On systems which support it, dnsmasq binds the wildcard address,
118# even when it is listening on only some interfaces. It then discards
b8187c80 119# requests that it shouldn't reply to. This has the advantage of
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120# working even when interfaces come and go and change address. If you
121# want dnsmasq to really bind only the interfaces it is listening on,
b8187c80 122# uncomment this option. About the only time you may need this is when
44a2a316 123# running another nameserver on the same machine.
b8187c80 124#bind-interfaces
44a2a316 125
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126# If you don't want dnsmasq to read /etc/hosts, uncomment the
127# following line.
128#no-hosts
129# or if you want it to read another file, as well as /etc/hosts, use
130# this.
131#addn-hosts=/etc/banner_add_hosts
132
133# Set this (and domain: see below) if you want to have a domain
134# automatically added to simple names in a hosts-file.
135#expand-hosts
136
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137# Set the domain for dnsmasq. this is optional, but if it is set, it
138# does the following things.
139# 1) Allows DHCP hosts to have fully qualified domain names, as long
140# as the domain part matches this setting.
141# 2) Sets the "domain" DHCP option thereby potentially setting the
142# domain of all systems configured by DHCP
143# 3) Provides the domain part for "expand-hosts"
144#domain=thekelleys.org.uk
b8187c80 145
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146# Set a different domain for a particular subnet
147#domain=wireless.thekelleys.org.uk,192.168.2.0/24
148
149# Same idea, but range rather then subnet
150#domain=reserved.thekelleys.org.uk,192.68.3.100,192.168.3.200
151
9e4abcb5 152# Uncomment this to enable the integrated DHCP server, you need
b8187c80 153# to supply the range of addresses available for lease and optionally
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154# a lease time. If you have more than one network, you will need to
155# repeat this for each network on which you want to supply DHCP
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156# service.
157#dhcp-range=192.168.0.50,192.168.0.150,12h
158
44a2a316 159# This is an example of a DHCP range where the netmask is given. This
b8187c80 160# is needed for networks we reach the dnsmasq DHCP server via a relay
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161# agent. If you don't know what a DHCP relay agent is, you probably
162# don't need to worry about this.
163#dhcp-range=192.168.0.50,192.168.0.150,255.255.255.0,12h
164
8ef5ada2 165# This is an example of a DHCP range which sets a tag, so that
44a2a316 166# some DHCP options may be set only for this network.
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167#dhcp-range=set:red,192.168.0.50,192.168.0.150
168
28866e95 169# Use this DHCP range only when the tag "green" is set.
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170#dhcp-range=tag:green,192.168.0.50,192.168.0.150,12h
171
172# Specify a subnet which can't be used for dynamic address allocation,
173# is available for hosts with matching --dhcp-host lines. Note that
174# dhcp-host declarations will be ignored unless there is a dhcp-range
175# of some type for the subnet in question.
176# In this case the netmask is implied (it comes from the network
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177# configuration on the machine running dnsmasq) it is possible to give
178# an explicit netmask instead.
8ef5ada2 179#dhcp-range=192.168.0.0,static
28866e95 180
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181# Enable DHCPv6. Note that the prefix-length does not need to be specified
182# and defaults to 64 if missing/
183#dhcp-range=1234::2, 1234::500, 64, 12h
184
0010b474 185# Do Router Advertisements, BUT NOT DHCP for this subnet.
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186#dhcp-range=1234::, ra-only
187
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188# Do Router Advertisements, BUT NOT DHCP for this subnet, also try and
189# add names to the DNS for the IPv6 address of SLAAC-configured dual-stack
190# hosts. Use the DHCPv4 lease to derive the name, network segment and
191# MAC address and assume that the host will also have an
192# IPv6 address calculated using the SLAAC alogrithm.
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193#dhcp-range=1234::, ra-names
194
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195# Do Router Advertisements, BUT NOT DHCP for this subnet.
196# Set the lifetime to 46 hours. (Note: minimum lifetime is 2 hours.)
197#dhcp-range=1234::, ra-only, 48h
198
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199# Do DHCP and Router Advertisements for this subnet. Set the A bit in the RA
200# so that clients can use SLAAC addresses as well as DHCP ones.
201#dhcp-range=1234::2, 1234::500, slaac
202
203# Do Router Advertisements and stateless DHCP for this subnet. Clients will
204# not get addresses from DHCP, but they will get other configuration information.
205# They will use SLAAC for addresses.
206#dhcp-range=1234::, ra-stateless
207
208# Do stateless DHCP, SLAAC, and generate DNS names for SLAAC addresses
209# from DHCPv4 leases.
210#dhcp-range=1234::, ra-stateless, ra-names
211
212# Do router advertisements for all subnets where we're doing DHCPv6
213# Unless overriden by ra-stateless, ra-names, et al, the router
214# advertisements will have the M and O bits set, so that the clients
215# get addresses and configuration from DHCPv6, and the A bit reset, so the
216# clients don't use SLAAC addresses.
217#enable-ra
218
9e4abcb5 219# Supply parameters for specified hosts using DHCP. There are lots
1ab84e2f 220# of valid alternatives, so we will give examples of each. Note that
9e4abcb5 221# IP addresses DO NOT have to be in the range given above, they just
1ab84e2f 222# need to be on the same network. The order of the parameters in these
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223# do not matter, it's permissible to give name, address and MAC in any
224# order.
9e4abcb5 225
28866e95 226# Always allocate the host with Ethernet address 11:22:33:44:55:66
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227# The IP address 192.168.0.60
228#dhcp-host=11:22:33:44:55:66,192.168.0.60
229
230# Always set the name of the host with hardware address
231# 11:22:33:44:55:66 to be "fred"
232#dhcp-host=11:22:33:44:55:66,fred
233
28866e95 234# Always give the host with Ethernet address 11:22:33:44:55:66
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235# the name fred and IP address 192.168.0.60 and lease time 45 minutes
236#dhcp-host=11:22:33:44:55:66,fred,192.168.0.60,45m
237
28866e95 238# Give a host with Ethernet address 11:22:33:44:55:66 or
9009d746 239# 12:34:56:78:90:12 the IP address 192.168.0.60. Dnsmasq will assume
28866e95 240# that these two Ethernet interfaces will never be in use at the same
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241# time, and give the IP address to the second, even if it is already
242# in use by the first. Useful for laptops with wired and wireless
243# addresses.
244#dhcp-host=11:22:33:44:55:66,12:34:56:78:90:12,192.168.0.60
245
824af85b 246# Give the machine which says its name is "bert" IP address
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247# 192.168.0.70 and an infinite lease
248#dhcp-host=bert,192.168.0.70,infinite
249
b8187c80 250# Always give the host with client identifier 01:02:02:04
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251# the IP address 192.168.0.60
252#dhcp-host=id:01:02:02:04,192.168.0.60
253
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254# Always give the Infiniband interface with hardware address
255# 80:00:00:48:fe:80:00:00:00:00:00:00:f4:52:14:03:00:28:05:81 the
256# ip address 192.168.0.61. The client id is derived from the prefix
257# ff:00:00:00:00:00:02:00:00:02:c9:00 and the last 8 pairs of
258# hex digits of the hardware address.
259#dhcp-host=id:ff:00:00:00:00:00:02:00:00:02:c9:00:f4:52:14:03:00:28:05:81,192.168.0.61
260
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261# Always give the host with client identifier "marjorie"
262# the IP address 192.168.0.60
263#dhcp-host=id:marjorie,192.168.0.60
264
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265# Enable the address given for "judge" in /etc/hosts
266# to be given to a machine presenting the name "judge" when
267# it asks for a DHCP lease.
268#dhcp-host=judge
269
28866e95 270# Never offer DHCP service to a machine whose Ethernet
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271# address is 11:22:33:44:55:66
272#dhcp-host=11:22:33:44:55:66,ignore
273
28866e95 274# Ignore any client-id presented by the machine with Ethernet
b8187c80 275# address 11:22:33:44:55:66. This is useful to prevent a machine
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276# being treated differently when running under different OS's or
277# between PXE boot and OS boot.
278#dhcp-host=11:22:33:44:55:66,id:*
279
b8187c80 280# Send extra options which are tagged as "red" to
28866e95 281# the machine with Ethernet address 11:22:33:44:55:66
8ef5ada2 282#dhcp-host=11:22:33:44:55:66,set:red
33820b7e 283
b8187c80 284# Send extra options which are tagged as "red" to
28866e95 285# any machine with Ethernet address starting 11:22:33:
8ef5ada2 286#dhcp-host=11:22:33:*:*:*,set:red
0a852541 287
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288# Give a fixed IPv6 address and name to client with
289# DUID 00:01:00:01:16:d2:83:fc:92:d4:19:e2:d8:b2
290# Note the MAC addresses CANNOT be used to identify DHCPv6 clients.
291# Note also the they [] around the IPv6 address are obilgatory.
292#dhcp-host=id:00:01:00:01:16:d2:83:fc:92:d4:19:e2:d8:b2, fred, [1234::5]
293
3862deb3 294# Ignore any clients which are not specified in dhcp-host lines
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295# or /etc/ethers. Equivalent to ISC "deny unknown-clients".
296# This relies on the special "known" tag which is set when
5aabfc78 297# a host is matched.
8ef5ada2 298#dhcp-ignore=tag:!known
5aabfc78 299
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300# Send extra options which are tagged as "red" to any machine whose
301# DHCP vendorclass string includes the substring "Linux"
8ef5ada2 302#dhcp-vendorclass=set:red,Linux
a222641c 303
b8187c80 304# Send extra options which are tagged as "red" to any machine one
a222641c 305# of whose DHCP userclass strings includes the substring "accounts"
8ef5ada2 306#dhcp-userclass=set:red,accounts
a222641c 307
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308# Send extra options which are tagged as "red" to any machine whose
309# MAC address matches the pattern.
8ef5ada2 310#dhcp-mac=set:red,00:60:8C:*:*:*
cdeda28f 311
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312# If this line is uncommented, dnsmasq will read /etc/ethers and act
313# on the ethernet-address/IP pairs found there just as if they had
314# been given as --dhcp-host options. Useful if you keep
315# MAC-address/host mappings there for other purposes.
316#read-ethers
317
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318# Send options to hosts which ask for a DHCP lease.
319# See RFC 2132 for details of available options.
28866e95 320# Common options can be given to dnsmasq by name:
f2621c7f 321# run "dnsmasq --help dhcp" to get a list.
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322# Note that all the common settings, such as netmask and
323# broadcast address, DNS server and default route, are given
28866e95 324# sane defaults by dnsmasq. You very likely will not need
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325# any dhcp-options. If you use Windows clients and Samba, there
326# are some options which are recommended, they are detailed at the
327# end of this section.
9e4abcb5 328
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329# Override the default route supplied by dnsmasq, which assumes the
330# router is the same machine as the one running dnsmasq.
331#dhcp-option=3,1.2.3.4
332
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333# Do the same thing, but using the option name
334#dhcp-option=option:router,1.2.3.4
335
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336# Override the default route supplied by dnsmasq and send no default
337# route at all. Note that this only works for the options sent by
28866e95 338# default (1, 3, 6, 12, 28) the same line will send a zero-length option
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339# for all other option numbers.
340#dhcp-option=3
341
9e4abcb5 342# Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5
f2621c7f 343#dhcp-option=option:ntp-server,192.168.0.4,10.10.0.5
9e4abcb5 344
843c96b4 345# Send DHCPv6 option. Note [] around IPv6 addresses.
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346#dhcp-option=option6:dns-server,[1234::77],[1234::88]
347
348# Send DHCPv6 option for namservers as the machine running
349# dnsmasq and another.
350#dhcp-option=option6:dns-server,[::],[1234::88]
843c96b4 351
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352# Ask client to poll for option changes every six hours. (RFC4242)
353#dhcp-option=option6:information-refresh-time,6h
354
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355# Set option 58 client renewal time (T1). Defaults to half of the
356# lease time if not specified. (RFC2132)
357#dhcp-option=option:T1:1m
358
359# Set option 59 rebinding time (T2). Defaults to 7/8 of the
360# lease time if not specified. (RFC2132)
361#dhcp-option=option:T2:2m
362
b8187c80 363# Set the NTP time server address to be the same machine as
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364# is running dnsmasq
365#dhcp-option=42,0.0.0.0
366
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367# Set the NIS domain name to "welly"
368#dhcp-option=40,welly
369
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370# Set the default time-to-live to 50
371#dhcp-option=23,50
372
373# Set the "all subnets are local" flag
374#dhcp-option=27,1
375
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376# Send the etherboot magic flag and then etherboot options (a string).
377#dhcp-option=128,e4:45:74:68:00:00
378#dhcp-option=129,NIC=eepro100
379
b8187c80 380# Specify an option which will only be sent to the "red" network
44a2a316 381# (see dhcp-range for the declaration of the "red" network)
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382# Note that the tag: part must precede the option: part.
383#dhcp-option = tag:red, option:ntp-server, 192.168.1.1
44a2a316 384
1ab84e2f 385# The following DHCP options set up dnsmasq in the same way as is specified
b8187c80 386# for the ISC dhcpcd in
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387# http://www.samba.org/samba/ftp/docs/textdocs/DHCP-Server-Configuration.txt
388# adapted for a typical dnsmasq installation where the host running
389# dnsmasq is also the host running samba.
28866e95 390# you may want to uncomment some or all of them if you use
9009d746 391# Windows clients and Samba.
b8187c80 392#dhcp-option=19,0 # option ip-forwarding off
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393#dhcp-option=44,0.0.0.0 # set netbios-over-TCP/IP nameserver(s) aka WINS server(s)
394#dhcp-option=45,0.0.0.0 # netbios datagram distribution server
395#dhcp-option=46,8 # netbios node type
fd9fa481 396
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397# Send an empty WPAD option. This may be REQUIRED to get windows 7 to behave.
398#dhcp-option=252,"\n"
399
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400# Send RFC-3397 DNS domain search DHCP option. WARNING: Your DHCP client
401# probably doesn't support this......
f2621c7f 402#dhcp-option=option:domain-search,eng.apple.com,marketing.apple.com
1ab84e2f 403
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404# Send RFC-3442 classless static routes (note the netmask encoding)
405#dhcp-option=121,192.168.1.0/24,1.2.3.4,10.0.0.0/8,5.6.7.8
406
28866e95 407# Send vendor-class specific options encapsulated in DHCP option 43.
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408# The meaning of the options is defined by the vendor-class so
409# options are sent only when the client supplied vendor class
28866e95 410# matches the class given here. (A substring match is OK, so "MSFT"
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411# matches "MSFT" and "MSFT 5.0"). This example sets the
412# mtftp address to 0.0.0.0 for PXEClients.
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413#dhcp-option=vendor:PXEClient,1,0.0.0.0
414
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415# Send microsoft-specific option to tell windows to release the DHCP lease
416# when it shuts down. Note the "i" flag, to tell dnsmasq to send the
417# value as a four-byte integer - that's what microsoft wants. See
418# http://technet2.microsoft.com/WindowsServer/en/library/a70f1bb7-d2d4-49f0-96d6-4b7414ecfaae1033.mspx?mfr=true
419#dhcp-option=vendor:MSFT,2,1i
420
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421# Send the Encapsulated-vendor-class ID needed by some configurations of
422# Etherboot to allow is to recognise the DHCP server.
423#dhcp-option=vendor:Etherboot,60,"Etherboot"
424
425# Send options to PXELinux. Note that we need to send the options even
426# though they don't appear in the parameter request list, so we need
28866e95 427# to use dhcp-option-force here.
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428# See http://syslinux.zytor.com/pxe.php#special for details.
429# Magic number - needed before anything else is recognised
430#dhcp-option-force=208,f1:00:74:7e
431# Configuration file name
432#dhcp-option-force=209,configs/common
433# Path prefix
434#dhcp-option-force=210,/tftpboot/pxelinux/files/
435# Reboot time. (Note 'i' to send 32-bit value)
436#dhcp-option-force=211,30i
437
28866e95 438# Set the boot filename for netboot/PXE. You will only need
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439# this is you want to boot machines over the network and you will need
440# a TFTP server; either dnsmasq's built in TFTP server or an
441# external one. (See below for how to enable the TFTP server.)
442#dhcp-boot=pxelinux.0
443
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444# The same as above, but use custom tftp-server instead machine running dnsmasq
445#dhcp-boot=pxelinux,server.name,192.168.1.100
446
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447# Boot for Etherboot gPXE. The idea is to send two different
448# filenames, the first loads gPXE, and the second tells gPXE what to
449# load. The dhcp-match sets the gpxe tag for requests from gPXE.
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450#dhcp-match=set:gpxe,175 # gPXE sends a 175 option.
451#dhcp-boot=tag:!gpxe,undionly.kpxe
824af85b 452#dhcp-boot=mybootimage
28866e95 453
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454# Encapsulated options for Etherboot gPXE. All the options are
455# encapsulated within option 175
456#dhcp-option=encap:175, 1, 5b # priority code
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457#dhcp-option=encap:175, 176, 1b # no-proxydhcp
458#dhcp-option=encap:175, 177, string # bus-id
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459#dhcp-option=encap:175, 189, 1b # BIOS drive code
460#dhcp-option=encap:175, 190, user # iSCSI username
461#dhcp-option=encap:175, 191, pass # iSCSI password
462
463# Test for the architecture of a netboot client. PXE clients are
464# supposed to send their architecture as option 93. (See RFC 4578)
465#dhcp-match=peecees, option:client-arch, 0 #x86-32
466#dhcp-match=itanics, option:client-arch, 2 #IA64
467#dhcp-match=hammers, option:client-arch, 6 #x86-64
28866e95 468#dhcp-match=mactels, option:client-arch, 7 #EFI x86-64
73a08a24 469
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470# Do real PXE, rather than just booting a single file, this is an
471# alternative to dhcp-boot.
472#pxe-prompt="What system shall I netboot?"
473# or with timeout before first available action is taken:
474#pxe-prompt="Press F8 for menu.", 60
475
476# Available boot services. for PXE.
316e2730 477#pxe-service=x86PC, "Boot from local disk"
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478
479# Loads <tftp-root>/pxelinux.0 from dnsmasq TFTP server.
28866e95 480#pxe-service=x86PC, "Install Linux", pxelinux
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481
482# Loads <tftp-root>/pxelinux.0 from TFTP server at 1.2.3.4.
483# Beware this fails on old PXE ROMS.
28866e95 484#pxe-service=x86PC, "Install Linux", pxelinux, 1.2.3.4
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485
486# Use bootserver on network, found my multicast or broadcast.
487#pxe-service=x86PC, "Install windows from RIS server", 1
488
489# Use bootserver at a known IP address.
490#pxe-service=x86PC, "Install windows from RIS server", 1, 1.2.3.4
491
492# If you have multicast-FTP available,
493# information for that can be passed in a similar way using options 1
494# to 5. See page 19 of
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495# http://download.intel.com/design/archives/wfm/downloads/pxespec.pdf
496
7622fc06 497
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498# Enable dnsmasq's built-in TFTP server
499#enable-tftp
500
28866e95 501# Set the root directory for files available via FTP.
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502#tftp-root=/var/ftpd
503
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504# Do not abort if the tftp-root is unavailable
505#tftp-no-fail
506
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507# Make the TFTP server more secure: with this set, only files owned by
508# the user dnsmasq is running as will be send over the net.
509#tftp-secure
510
28866e95 511# This option stops dnsmasq from negotiating a larger blocksize for TFTP
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512# transfers. It will slow things down, but may rescue some broken TFTP
513# clients.
514#tftp-no-blocksize
515
832af0ba 516# Set the boot file name only when the "red" tag is set.
cf568a37 517#dhcp-boot=tag:red,pxelinux.red-net
832af0ba 518
7622fc06 519# An example of dhcp-boot with an external TFTP server: the name and IP
832af0ba 520# address of the server are given after the filename.
7622fc06 521# Can fail with old PXE ROMS. Overridden by --pxe-service.
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522#dhcp-boot=/var/ftpd/pxelinux.0,boothost,192.168.0.3
523
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524# If there are multiple external tftp servers having a same name
525# (using /etc/hosts) then that name can be specified as the
526# tftp_servername (the third option to dhcp-boot) and in that
527# case dnsmasq resolves this name and returns the resultant IP
528# addresses in round robin fasion. This facility can be used to
529# load balance the tftp load among a set of servers.
530#dhcp-boot=/var/ftpd/pxelinux.0,boothost,tftp_server_name
531
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532# Set the limit on DHCP leases, the default is 150
533#dhcp-lease-max=150
534
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535# The DHCP server needs somewhere on disk to keep its lease database.
536# This defaults to a sane location, but if you want to change it, use
537# the line below.
1ab84e2f 538#dhcp-leasefile=/var/lib/misc/dnsmasq.leases
9e4abcb5 539
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540# Set the DHCP server to authoritative mode. In this mode it will barge in
541# and take over the lease for any client which broadcasts on the network,
fd9fa481 542# whether it has a record of the lease or not. This avoids long timeouts
b8187c80 543# when a machine wakes up on a new network. DO NOT enable this if there's
28866e95 544# the slightest chance that you might end up accidentally configuring a DHCP
5aabfc78 545# server for your campus/company accidentally. The ISC server uses
fd9fa481 546# the same option, and this URL provides more information:
28866e95 547# http://www.isc.org/files/auth.html
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548#dhcp-authoritative
549
7cebd20f 550# Run an executable when a DHCP lease is created or destroyed.
28866e95 551# The arguments sent to the script are "add" or "del",
7cebd20f 552# then the MAC address, the IP address and finally the hostname
28866e95 553# if there is one.
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554#dhcp-script=/bin/echo
555
9e4abcb5 556# Set the cachesize here.
1ab84e2f 557#cache-size=150
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558
559# If you want to disable negative caching, uncomment this.
560#no-negcache
561
be0f45cd 562# Normally responses which come from /etc/hosts and the DHCP lease
9e4abcb5 563# file have Time-To-Live set as zero, which conventionally means
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564# do not cache further. If you are happy to trade lower load on the
565# server for potentially stale date, you can set a time-to-live (in
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566# seconds) here.
567#local-ttl=
568
569# If you want dnsmasq to detect attempts by Verisign to send queries
570# to unregistered .com and .net hosts to its sitefinder service and
571# have dnsmasq instead return the correct NXDOMAIN response, uncomment
572# this line. You can add similar lines to do the same for other
573# registries which have implemented wildcard A records.
574#bogus-nxdomain=64.94.110.11
575
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576# If you want to fix up DNS results from upstream servers, use the
577# alias option. This only works for IPv4.
578# This alias makes a result of 1.2.3.4 appear as 5.6.7.8
579#alias=1.2.3.4,5.6.7.8
580# and this maps 1.2.3.x to 5.6.7.x
581#alias=1.2.3.0,5.6.7.0,255.255.255.0
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582# and this maps 192.168.0.10->192.168.0.40 to 10.0.0.10->10.0.0.40
583#alias=192.168.0.10-192.168.0.40,10.0.0.0,255.255.255.0
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584
585# Change these lines if you want dnsmasq to serve MX records.
586
587# Return an MX record named "maildomain.com" with target
588# servermachine.com and preference 50
589#mx-host=maildomain.com,servermachine.com,50
590
591# Set the default target for MX records created using the localmx option.
592#mx-target=servermachine.com
593
594# Return an MX record pointing to the mx-target for all local
595# machines.
596#localmx
597
598# Return an MX record pointing to itself for all local machines.
599#selfmx
600
b8187c80 601# Change the following lines if you want dnsmasq to serve SRV
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602# records. These are useful if you want to serve ldap requests for
603# Active Directory and other windows-originated DNS requests.
604# See RFC 2782.
b8187c80 605# You may add multiple srv-host lines.
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606# The fields are <name>,<target>,<port>,<priority>,<weight>
607# If the domain part if missing from the name (so that is just has the
608# service and protocol sections) then the domain given by the domain=
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609# config option is used. (Note that expand-hosts does not need to be
610# set for this to work.)
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611
612# A SRV record sending LDAP for the example.com domain to
8ef5ada2 613# ldapserver.example.com port 389
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614#srv-host=_ldap._tcp.example.com,ldapserver.example.com,389
615
616# A SRV record sending LDAP for the example.com domain to
8ef5ada2 617# ldapserver.example.com port 389 (using domain=)
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618#domain=example.com
619#srv-host=_ldap._tcp,ldapserver.example.com,389
620
621# Two SRV records for LDAP, each with different priorities
622#srv-host=_ldap._tcp.example.com,ldapserver.example.com,389,1
623#srv-host=_ldap._tcp.example.com,ldapserver.example.com,389,2
624
625# A SRV record indicating that there is no LDAP server for the domain
b8187c80 626# example.com
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627#srv-host=_ldap._tcp.example.com
628
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629# The following line shows how to make dnsmasq serve an arbitrary PTR
630# record. This is useful for DNS-SD. (Note that the
631# domain-name expansion done for SRV records _does_not
632# occur for PTR records.)
633#ptr-record=_http._tcp.dns-sd-services,"New Employee Page._http._tcp.dns-sd-services"
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634
635# Change the following lines to enable dnsmasq to serve TXT records.
636# These are used for things like SPF and zeroconf. (Note that the
b8187c80 637# domain-name expansion done for SRV records _does_not
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638# occur for TXT records.)
639
640#Example SPF.
832af0ba 641#txt-record=example.com,"v=spf1 a -all"
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642
643#Example zeroconf
644#txt-record=_http._tcp.example.com,name=value,paper=A4
645
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646# Provide an alias for a "local" DNS name. Note that this _only_ works
647# for targets which are names from DHCP or /etc/hosts. Give host
648# "bert" another name, bertrand
649#cname=bertand,bert
0a852541 650
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651# For debugging purposes, log each DNS query as it passes through
652# dnsmasq.
653#log-queries
654
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655# Log lots of extra information about DHCP transactions.
656#log-dhcp
657
cf568a37 658# Include another lot of configuration options.
33820b7e 659#conf-file=/etc/dnsmasq.more.conf
1697269c 660#conf-dir=/etc/dnsmasq.d
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661
662# Include all the files in a directory except those ending in .bak
663#conf-dir=/etc/dnsmasq.d,.bak
664
665# Include all files in a directory which end in .conf
3d9d2dd0 666#conf-dir=/etc/dnsmasq.d/,*.conf