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: # 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:
12: # The following two options make you a better netizen, since they
13: # tell dnsmasq to filter out queries which the public DNS cannot
14: # answer, and which load the servers (especially the root servers)
15: # unnecessarily. If you have a dial-on-demand link they also stop
16: # these requests from bringing up the link unnecessarily.
17:
18: # Never forward plain names (without a dot or domain part)
19: #domain-needed
20: # Never forward addresses in the non-routed address spaces.
21: #bogus-priv
22:
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
27:
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:
36: # Uncomment this to filter useless windows-originated DNS requests
37: # which can trigger dial-on-demand links needlessly.
38: # Note that (amongst other things) this blocks all SRV requests,
39: # so don't use it if you use eg Kerberos, SIP, XMMP or Google-talk.
40: # This option only affects forwarding, SRV records originating for
41: # dnsmasq (via srv-host= lines) are not suppressed by it.
42: #filterwin2k
43:
44: # Change this line if you want dns to get its upstream servers from
45: # somewhere other that /etc/resolv.conf
46: #resolv-file=
47:
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:
55: # If you don't want dnsmasq to read /etc/resolv.conf or any other
56: # file, getting its servers from this file instead (see below), then
57: # uncomment this.
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:
64: # Add other name servers here, with domain specs if they are for
65: # non-public domains.
66: #server=/localnet/192.168.0.1
67:
68: # Example of routing PTR queries to nameservers: this will send all
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:
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.
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
80:
81: # --address (and --server) work with IPv6 addresses too.
82: #address=/www.thekelleys.org.uk/fe80::20d:60ff:fe36:f83
83:
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:
88: # You can control how dnsmasq talks to a server: this forces
89: # queries to 10.1.2.3 to be routed via eth1
90: # server=10.1.2.3@eth1
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).
95: # server=10.1.2.3@192.168.1.1#55
96:
97: # If you want dnsmasq to change uid and gid to something other
98: # than the default, edit the following lines.
99: #user=
100: #group=
101:
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.
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=
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
114: # disable DHCP and TFTP on it.
115: #no-dhcp-interface=
116:
117: # On systems which support it, dnsmasq binds the wildcard address,
118: # even when it is listening on only some interfaces. It then discards
119: # requests that it shouldn't reply to. This has the advantage of
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,
122: # uncomment this option. About the only time you may need this is when
123: # running another nameserver on the same machine.
124: #bind-interfaces
125:
126: # Accept DNS queries only from hosts whose address is on a local
127: # subnet, ie a subnet for which an interface exists on the server.
128: # This option only has effect if there are no --interface
129: # --except-interface, --listen-address or --auth-server options.
130: local-service
131:
132: # If you don't want dnsmasq to read /etc/hosts, uncomment the
133: # following line.
134: #no-hosts
135: # or if you want it to read another file, as well as /etc/hosts, use
136: # this.
137: #addn-hosts=/etc/banner_add_hosts
138:
139: # Set this (and domain: see below) if you want to have a domain
140: # automatically added to simple names in a hosts-file.
141: #expand-hosts
142:
143: # Set the domain for dnsmasq. this is optional, but if it is set, it
144: # does the following things.
145: # 1) Allows DHCP hosts to have fully qualified domain names, as long
146: # as the domain part matches this setting.
147: # 2) Sets the "domain" DHCP option thereby potentially setting the
148: # domain of all systems configured by DHCP
149: # 3) Provides the domain part for "expand-hosts"
150: #domain=thekelleys.org.uk
151:
152: # Set a different domain for a particular subnet
153: #domain=wireless.thekelleys.org.uk,192.168.2.0/24
154:
155: # Same idea, but range rather then subnet
156: #domain=reserved.thekelleys.org.uk,192.68.3.100,192.168.3.200
157:
158: # Uncomment this to enable the integrated DHCP server, you need
159: # to supply the range of addresses available for lease and optionally
160: # a lease time. If you have more than one network, you will need to
161: # repeat this for each network on which you want to supply DHCP
162: # service.
163: #dhcp-range=192.168.0.50,192.168.0.150,12h
164:
165: # This is an example of a DHCP range where the netmask is given. This
166: # is needed for networks we reach the dnsmasq DHCP server via a relay
167: # agent. If you don't know what a DHCP relay agent is, you probably
168: # don't need to worry about this.
169: #dhcp-range=192.168.0.50,192.168.0.150,255.255.255.0,12h
170:
171: # This is an example of a DHCP range which sets a tag, so that
172: # some DHCP options may be set only for this network.
173: #dhcp-range=set:red,192.168.0.50,192.168.0.150
174:
175: # Use this DHCP range only when the tag "green" is set.
176: #dhcp-range=tag:green,192.168.0.50,192.168.0.150,12h
177:
178: # Specify a subnet which can't be used for dynamic address allocation,
179: # is available for hosts with matching --dhcp-host lines. Note that
180: # dhcp-host declarations will be ignored unless there is a dhcp-range
181: # of some type for the subnet in question.
182: # In this case the netmask is implied (it comes from the network
183: # configuration on the machine running dnsmasq) it is possible to give
184: # an explicit netmask instead.
185: #dhcp-range=192.168.0.0,static
186:
187: # Enable DHCPv6. Note that the prefix-length does not need to be specified
188: # and defaults to 64 if missing/
189: #dhcp-range=1234::2, 1234::500, 64, 12h
190:
191: # Do Router Advertisements, BUT NOT DHCP for this subnet.
192: #dhcp-range=1234::, ra-only
193:
194: # Do Router Advertisements, BUT NOT DHCP for this subnet, also try and
195: # add names to the DNS for the IPv6 address of SLAAC-configured dual-stack
196: # hosts. Use the DHCPv4 lease to derive the name, network segment and
197: # MAC address and assume that the host will also have an
198: # IPv6 address calculated using the SLAAC alogrithm.
199: #dhcp-range=1234::, ra-names
200:
201: # Do Router Advertisements, BUT NOT DHCP for this subnet.
202: # Set the lifetime to 46 hours. (Note: minimum lifetime is 2 hours.)
203: #dhcp-range=1234::, ra-only, 48h
204:
205: # Do DHCP and Router Advertisements for this subnet. Set the A bit in the RA
206: # so that clients can use SLAAC addresses as well as DHCP ones.
207: #dhcp-range=1234::2, 1234::500, slaac
208:
209: # Do Router Advertisements and stateless DHCP for this subnet. Clients will
210: # not get addresses from DHCP, but they will get other configuration information.
211: # They will use SLAAC for addresses.
212: #dhcp-range=1234::, ra-stateless
213:
214: # Do stateless DHCP, SLAAC, and generate DNS names for SLAAC addresses
215: # from DHCPv4 leases.
216: #dhcp-range=1234::, ra-stateless, ra-names
217:
218: # Do router advertisements for all subnets where we're doing DHCPv6
219: # Unless overriden by ra-stateless, ra-names, et al, the router
220: # advertisements will have the M and O bits set, so that the clients
221: # get addresses and configuration from DHCPv6, and the A bit reset, so the
222: # clients don't use SLAAC addresses.
223: #enable-ra
224:
225: # Supply parameters for specified hosts using DHCP. There are lots
226: # of valid alternatives, so we will give examples of each. Note that
227: # IP addresses DO NOT have to be in the range given above, they just
228: # need to be on the same network. The order of the parameters in these
229: # do not matter, it's permissible to give name, address and MAC in any
230: # order.
231:
232: # Always allocate the host with Ethernet address 11:22:33:44:55:66
233: # The IP address 192.168.0.60
234: #dhcp-host=11:22:33:44:55:66,192.168.0.60
235:
236: # Always set the name of the host with hardware address
237: # 11:22:33:44:55:66 to be "fred"
238: #dhcp-host=11:22:33:44:55:66,fred
239:
240: # Always give the host with Ethernet address 11:22:33:44:55:66
241: # the name fred and IP address 192.168.0.60 and lease time 45 minutes
242: #dhcp-host=11:22:33:44:55:66,fred,192.168.0.60,45m
243:
244: # Give a host with Ethernet address 11:22:33:44:55:66 or
245: # 12:34:56:78:90:12 the IP address 192.168.0.60. Dnsmasq will assume
246: # that these two Ethernet interfaces will never be in use at the same
247: # time, and give the IP address to the second, even if it is already
248: # in use by the first. Useful for laptops with wired and wireless
249: # addresses.
250: #dhcp-host=11:22:33:44:55:66,12:34:56:78:90:12,192.168.0.60
251:
252: # Give the machine which says its name is "bert" IP address
253: # 192.168.0.70 and an infinite lease
254: #dhcp-host=bert,192.168.0.70,infinite
255:
256: # Always give the host with client identifier 01:02:02:04
257: # the IP address 192.168.0.60
258: #dhcp-host=id:01:02:02:04,192.168.0.60
259:
260: # Always give the Infiniband interface with hardware address
261: # 80:00:00:48:fe:80:00:00:00:00:00:00:f4:52:14:03:00:28:05:81 the
262: # ip address 192.168.0.61. The client id is derived from the prefix
263: # ff:00:00:00:00:00:02:00:00:02:c9:00 and the last 8 pairs of
264: # hex digits of the hardware address.
265: #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
266:
267: # Always give the host with client identifier "marjorie"
268: # the IP address 192.168.0.60
269: #dhcp-host=id:marjorie,192.168.0.60
270:
271: # Enable the address given for "judge" in /etc/hosts
272: # to be given to a machine presenting the name "judge" when
273: # it asks for a DHCP lease.
274: #dhcp-host=judge
275:
276: # Never offer DHCP service to a machine whose Ethernet
277: # address is 11:22:33:44:55:66
278: #dhcp-host=11:22:33:44:55:66,ignore
279:
280: # Ignore any client-id presented by the machine with Ethernet
281: # address 11:22:33:44:55:66. This is useful to prevent a machine
282: # being treated differently when running under different OS's or
283: # between PXE boot and OS boot.
284: #dhcp-host=11:22:33:44:55:66,id:*
285:
286: # Send extra options which are tagged as "red" to
287: # the machine with Ethernet address 11:22:33:44:55:66
288: #dhcp-host=11:22:33:44:55:66,set:red
289:
290: # Send extra options which are tagged as "red" to
291: # any machine with Ethernet address starting 11:22:33:
292: #dhcp-host=11:22:33:*:*:*,set:red
293:
294: # Give a fixed IPv6 address and name to client with
295: # DUID 00:01:00:01:16:d2:83:fc:92:d4:19:e2:d8:b2
296: # Note the MAC addresses CANNOT be used to identify DHCPv6 clients.
297: # Note also the they [] around the IPv6 address are obilgatory.
298: #dhcp-host=id:00:01:00:01:16:d2:83:fc:92:d4:19:e2:d8:b2, fred, [1234::5]
299:
300: # Ignore any clients which are not specified in dhcp-host lines
301: # or /etc/ethers. Equivalent to ISC "deny unknown-clients".
302: # This relies on the special "known" tag which is set when
303: # a host is matched.
304: #dhcp-ignore=tag:!known
305:
306: # Send extra options which are tagged as "red" to any machine whose
307: # DHCP vendorclass string includes the substring "Linux"
308: #dhcp-vendorclass=set:red,Linux
309:
310: # Send extra options which are tagged as "red" to any machine one
311: # of whose DHCP userclass strings includes the substring "accounts"
312: #dhcp-userclass=set:red,accounts
313:
314: # Send extra options which are tagged as "red" to any machine whose
315: # MAC address matches the pattern.
316: #dhcp-mac=set:red,00:60:8C:*:*:*
317:
318: # If this line is uncommented, dnsmasq will read /etc/ethers and act
319: # on the ethernet-address/IP pairs found there just as if they had
320: # been given as --dhcp-host options. Useful if you keep
321: # MAC-address/host mappings there for other purposes.
322: #read-ethers
323:
324: # Send options to hosts which ask for a DHCP lease.
325: # See RFC 2132 for details of available options.
326: # Common options can be given to dnsmasq by name:
327: # run "dnsmasq --help dhcp" to get a list.
328: # Note that all the common settings, such as netmask and
329: # broadcast address, DNS server and default route, are given
330: # sane defaults by dnsmasq. You very likely will not need
331: # any dhcp-options. If you use Windows clients and Samba, there
332: # are some options which are recommended, they are detailed at the
333: # end of this section.
334:
335: # Override the default route supplied by dnsmasq, which assumes the
336: # router is the same machine as the one running dnsmasq.
337: #dhcp-option=3,1.2.3.4
338:
339: # Do the same thing, but using the option name
340: #dhcp-option=option:router,1.2.3.4
341:
342: # Override the default route supplied by dnsmasq and send no default
343: # route at all. Note that this only works for the options sent by
344: # default (1, 3, 6, 12, 28) the same line will send a zero-length option
345: # for all other option numbers.
346: #dhcp-option=3
347:
348: # Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5
349: #dhcp-option=option:ntp-server,192.168.0.4,10.10.0.5
350:
351: # Send DHCPv6 option. Note [] around IPv6 addresses.
352: #dhcp-option=option6:dns-server,[1234::77],[1234::88]
353:
354: # Send DHCPv6 option for namservers as the machine running
355: # dnsmasq and another.
356: #dhcp-option=option6:dns-server,[::],[1234::88]
357:
358: # Ask client to poll for option changes every six hours. (RFC4242)
359: #dhcp-option=option6:information-refresh-time,6h
360:
361: # Set option 58 client renewal time (T1). Defaults to half of the
362: # lease time if not specified. (RFC2132)
363: #dhcp-option=option:T1:1m
364:
365: # Set option 59 rebinding time (T2). Defaults to 7/8 of the
366: # lease time if not specified. (RFC2132)
367: #dhcp-option=option:T2:2m
368:
369: # Set the NTP time server address to be the same machine as
370: # is running dnsmasq
371: #dhcp-option=42,0.0.0.0
372:
373: # Set the NIS domain name to "welly"
374: #dhcp-option=40,welly
375:
376: # Set the default time-to-live to 50
377: #dhcp-option=23,50
378:
379: # Set the "all subnets are local" flag
380: #dhcp-option=27,1
381:
382: # Send the etherboot magic flag and then etherboot options (a string).
383: #dhcp-option=128,e4:45:74:68:00:00
384: #dhcp-option=129,NIC=eepro100
385:
386: # Specify an option which will only be sent to the "red" network
387: # (see dhcp-range for the declaration of the "red" network)
388: # Note that the tag: part must precede the option: part.
389: #dhcp-option = tag:red, option:ntp-server, 192.168.1.1
390:
391: # The following DHCP options set up dnsmasq in the same way as is specified
392: # for the ISC dhcpcd in
393: # http://www.samba.org/samba/ftp/docs/textdocs/DHCP-Server-Configuration.txt
394: # adapted for a typical dnsmasq installation where the host running
395: # dnsmasq is also the host running samba.
396: # you may want to uncomment some or all of them if you use
397: # Windows clients and Samba.
398: #dhcp-option=19,0 # option ip-forwarding off
399: #dhcp-option=44,0.0.0.0 # set netbios-over-TCP/IP nameserver(s) aka WINS server(s)
400: #dhcp-option=45,0.0.0.0 # netbios datagram distribution server
401: #dhcp-option=46,8 # netbios node type
402:
403: # Send an empty WPAD option. This may be REQUIRED to get windows 7 to behave.
404: #dhcp-option=252,"\n"
405:
406: # Send RFC-3397 DNS domain search DHCP option. WARNING: Your DHCP client
407: # probably doesn't support this......
408: #dhcp-option=option:domain-search,eng.apple.com,marketing.apple.com
409:
410: # Send RFC-3442 classless static routes (note the netmask encoding)
411: #dhcp-option=121,192.168.1.0/24,1.2.3.4,10.0.0.0/8,5.6.7.8
412:
413: # Send vendor-class specific options encapsulated in DHCP option 43.
414: # The meaning of the options is defined by the vendor-class so
415: # options are sent only when the client supplied vendor class
416: # matches the class given here. (A substring match is OK, so "MSFT"
417: # matches "MSFT" and "MSFT 5.0"). This example sets the
418: # mtftp address to 0.0.0.0 for PXEClients.
419: #dhcp-option=vendor:PXEClient,1,0.0.0.0
420:
421: # Send microsoft-specific option to tell windows to release the DHCP lease
422: # when it shuts down. Note the "i" flag, to tell dnsmasq to send the
423: # value as a four-byte integer - that's what microsoft wants. See
424: # http://technet2.microsoft.com/WindowsServer/en/library/a70f1bb7-d2d4-49f0-96d6-4b7414ecfaae1033.mspx?mfr=true
425: #dhcp-option=vendor:MSFT,2,1i
426:
427: # Send the Encapsulated-vendor-class ID needed by some configurations of
428: # Etherboot to allow is to recognise the DHCP server.
429: #dhcp-option=vendor:Etherboot,60,"Etherboot"
430:
431: # Send options to PXELinux. Note that we need to send the options even
432: # though they don't appear in the parameter request list, so we need
433: # to use dhcp-option-force here.
434: # See http://syslinux.zytor.com/pxe.php#special for details.
435: # Magic number - needed before anything else is recognised
436: #dhcp-option-force=208,f1:00:74:7e
437: # Configuration file name
438: #dhcp-option-force=209,configs/common
439: # Path prefix
440: #dhcp-option-force=210,/tftpboot/pxelinux/files/
441: # Reboot time. (Note 'i' to send 32-bit value)
442: #dhcp-option-force=211,30i
443:
444: # Set the boot filename for netboot/PXE. You will only need
445: # this is you want to boot machines over the network and you will need
446: # a TFTP server; either dnsmasq's built in TFTP server or an
447: # external one. (See below for how to enable the TFTP server.)
448: #dhcp-boot=pxelinux.0
449:
450: # The same as above, but use custom tftp-server instead machine running dnsmasq
451: #dhcp-boot=pxelinux,server.name,192.168.1.100
452:
453: # Boot for Etherboot gPXE. The idea is to send two different
454: # filenames, the first loads gPXE, and the second tells gPXE what to
455: # load. The dhcp-match sets the gpxe tag for requests from gPXE.
456: #dhcp-match=set:gpxe,175 # gPXE sends a 175 option.
457: #dhcp-boot=tag:!gpxe,undionly.kpxe
458: #dhcp-boot=mybootimage
459:
460: # Encapsulated options for Etherboot gPXE. All the options are
461: # encapsulated within option 175
462: #dhcp-option=encap:175, 1, 5b # priority code
463: #dhcp-option=encap:175, 176, 1b # no-proxydhcp
464: #dhcp-option=encap:175, 177, string # bus-id
465: #dhcp-option=encap:175, 189, 1b # BIOS drive code
466: #dhcp-option=encap:175, 190, user # iSCSI username
467: #dhcp-option=encap:175, 191, pass # iSCSI password
468:
469: # Test for the architecture of a netboot client. PXE clients are
470: # supposed to send their architecture as option 93. (See RFC 4578)
471: #dhcp-match=peecees, option:client-arch, 0 #x86-32
472: #dhcp-match=itanics, option:client-arch, 2 #IA64
473: #dhcp-match=hammers, option:client-arch, 6 #x86-64
474: #dhcp-match=mactels, option:client-arch, 7 #EFI x86-64
475:
476: # Do real PXE, rather than just booting a single file, this is an
477: # alternative to dhcp-boot.
478: #pxe-prompt="What system shall I netboot?"
479: # or with timeout before first available action is taken:
480: #pxe-prompt="Press F8 for menu.", 60
481:
482: # Available boot services. for PXE.
483: #pxe-service=x86PC, "Boot from local disk"
484:
485: # Loads <tftp-root>/pxelinux.0 from dnsmasq TFTP server.
486: #pxe-service=x86PC, "Install Linux", pxelinux
487:
488: # Loads <tftp-root>/pxelinux.0 from TFTP server at 1.2.3.4.
489: # Beware this fails on old PXE ROMS.
490: #pxe-service=x86PC, "Install Linux", pxelinux, 1.2.3.4
491:
492: # Use bootserver on network, found my multicast or broadcast.
493: #pxe-service=x86PC, "Install windows from RIS server", 1
494:
495: # Use bootserver at a known IP address.
496: #pxe-service=x86PC, "Install windows from RIS server", 1, 1.2.3.4
497:
498: # If you have multicast-FTP available,
499: # information for that can be passed in a similar way using options 1
500: # to 5. See page 19 of
501: # http://download.intel.com/design/archives/wfm/downloads/pxespec.pdf
502:
503:
504: # Enable dnsmasq's built-in TFTP server
505: #enable-tftp
506:
507: # Set the root directory for files available via FTP.
508: #tftp-root=/var/ftpd
509:
510: # Do not abort if the tftp-root is unavailable
511: #tftp-no-fail
512:
513: # Make the TFTP server more secure: with this set, only files owned by
514: # the user dnsmasq is running as will be send over the net.
515: #tftp-secure
516:
517: # This option stops dnsmasq from negotiating a larger blocksize for TFTP
518: # transfers. It will slow things down, but may rescue some broken TFTP
519: # clients.
520: #tftp-no-blocksize
521:
522: # Set the boot file name only when the "red" tag is set.
523: #dhcp-boot=tag:red,pxelinux.red-net
524:
525: # An example of dhcp-boot with an external TFTP server: the name and IP
526: # address of the server are given after the filename.
527: # Can fail with old PXE ROMS. Overridden by --pxe-service.
528: #dhcp-boot=/var/ftpd/pxelinux.0,boothost,192.168.0.3
529:
530: # If there are multiple external tftp servers having a same name
531: # (using /etc/hosts) then that name can be specified as the
532: # tftp_servername (the third option to dhcp-boot) and in that
533: # case dnsmasq resolves this name and returns the resultant IP
534: # addresses in round robin fasion. This facility can be used to
535: # load balance the tftp load among a set of servers.
536: #dhcp-boot=/var/ftpd/pxelinux.0,boothost,tftp_server_name
537:
538: # Set the limit on DHCP leases, the default is 150
539: #dhcp-lease-max=150
540:
541: # The DHCP server needs somewhere on disk to keep its lease database.
542: # This defaults to a sane location, but if you want to change it, use
543: # the line below.
544: #dhcp-leasefile=/var/lib/misc/dnsmasq.leases
545:
546: # Set the DHCP server to authoritative mode. In this mode it will barge in
547: # and take over the lease for any client which broadcasts on the network,
548: # whether it has a record of the lease or not. This avoids long timeouts
549: # when a machine wakes up on a new network. DO NOT enable this if there's
550: # the slightest chance that you might end up accidentally configuring a DHCP
551: # server for your campus/company accidentally. The ISC server uses
552: # the same option, and this URL provides more information:
553: # http://www.isc.org/files/auth.html
554: #dhcp-authoritative
555:
556: # Run an executable when a DHCP lease is created or destroyed.
557: # The arguments sent to the script are "add" or "del",
558: # then the MAC address, the IP address and finally the hostname
559: # if there is one.
560: #dhcp-script=/bin/echo
561:
562: # Set the cachesize here.
563: #cache-size=150
564:
565: # If you want to disable negative caching, uncomment this.
566: #no-negcache
567:
568: # Normally responses which come from /etc/hosts and the DHCP lease
569: # file have Time-To-Live set as zero, which conventionally means
570: # do not cache further. If you are happy to trade lower load on the
571: # server for potentially stale date, you can set a time-to-live (in
572: # seconds) here.
573: #local-ttl=
574:
575: # If you want dnsmasq to detect attempts by Verisign to send queries
576: # to unregistered .com and .net hosts to its sitefinder service and
577: # have dnsmasq instead return the correct NXDOMAIN response, uncomment
578: # this line. You can add similar lines to do the same for other
579: # registries which have implemented wildcard A records.
580: #bogus-nxdomain=64.94.110.11
581:
582: # If you want to fix up DNS results from upstream servers, use the
583: # alias option. This only works for IPv4.
584: # This alias makes a result of 1.2.3.4 appear as 5.6.7.8
585: #alias=1.2.3.4,5.6.7.8
586: # and this maps 1.2.3.x to 5.6.7.x
587: #alias=1.2.3.0,5.6.7.0,255.255.255.0
588: # and this maps 192.168.0.10->192.168.0.40 to 10.0.0.10->10.0.0.40
589: #alias=192.168.0.10-192.168.0.40,10.0.0.0,255.255.255.0
590:
591: # Change these lines if you want dnsmasq to serve MX records.
592:
593: # Return an MX record named "maildomain.com" with target
594: # servermachine.com and preference 50
595: #mx-host=maildomain.com,servermachine.com,50
596:
597: # Set the default target for MX records created using the localmx option.
598: #mx-target=servermachine.com
599:
600: # Return an MX record pointing to the mx-target for all local
601: # machines.
602: #localmx
603:
604: # Return an MX record pointing to itself for all local machines.
605: #selfmx
606:
607: # Change the following lines if you want dnsmasq to serve SRV
608: # records. These are useful if you want to serve ldap requests for
609: # Active Directory and other windows-originated DNS requests.
610: # See RFC 2782.
611: # You may add multiple srv-host lines.
612: # The fields are <name>,<target>,<port>,<priority>,<weight>
613: # If the domain part if missing from the name (so that is just has the
614: # service and protocol sections) then the domain given by the domain=
615: # config option is used. (Note that expand-hosts does not need to be
616: # set for this to work.)
617:
618: # A SRV record sending LDAP for the example.com domain to
619: # ldapserver.example.com port 389
620: #srv-host=_ldap._tcp.example.com,ldapserver.example.com,389
621:
622: # A SRV record sending LDAP for the example.com domain to
623: # ldapserver.example.com port 389 (using domain=)
624: #domain=example.com
625: #srv-host=_ldap._tcp,ldapserver.example.com,389
626:
627: # Two SRV records for LDAP, each with different priorities
628: #srv-host=_ldap._tcp.example.com,ldapserver.example.com,389,1
629: #srv-host=_ldap._tcp.example.com,ldapserver.example.com,389,2
630:
631: # A SRV record indicating that there is no LDAP server for the domain
632: # example.com
633: #srv-host=_ldap._tcp.example.com
634:
635: # The following line shows how to make dnsmasq serve an arbitrary PTR
636: # record. This is useful for DNS-SD. (Note that the
637: # domain-name expansion done for SRV records _does_not
638: # occur for PTR records.)
639: #ptr-record=_http._tcp.dns-sd-services,"New Employee Page._http._tcp.dns-sd-services"
640:
641: # Change the following lines to enable dnsmasq to serve TXT records.
642: # These are used for things like SPF and zeroconf. (Note that the
643: # domain-name expansion done for SRV records _does_not
644: # occur for TXT records.)
645:
646: #Example SPF.
647: #txt-record=example.com,"v=spf1 a -all"
648:
649: #Example zeroconf
650: #txt-record=_http._tcp.example.com,name=value,paper=A4
651:
652: # Provide an alias for a "local" DNS name. Note that this _only_ works
653: # for targets which are names from DHCP or /etc/hosts. Give host
654: # "bert" another name, bertrand
655: #cname=bertand,bert
656:
657: # For debugging purposes, log each DNS query as it passes through
658: # dnsmasq.
659: #log-queries
660:
661: # Log lots of extra information about DHCP transactions.
662: #log-dhcp
663:
664: # Include another lot of configuration options.
665: #conf-file=/etc/dnsmasq.more.conf
666: #conf-dir=/etc/dnsmasq.d
667:
668: # Include all the files in a directory except those ending in .bak
669: #conf-dir=/etc/dnsmasq.d,.bak
670:
671: # Include all files in a directory which end in .conf
672: #conf-dir=/etc/dnsmasq.d/,*.conf
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