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