Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 1 | # Configuration file for dnsmasq. |
| 2 | # |
| 3 | # Format is one option per line, legal options are the same |
| 4 | # as the long options legal on the command line. See |
| 5 | # "/usr/sbin/dnsmasq --help" or "man 8 dnsmasq" for details. |
| 6 | |
| 7 | # Change these lines if you want dnsmasq to serve MX records. |
| 8 | # Only one of mx-host and mx-target need be set, the other defaults |
| 9 | # to the name of the host running dnsmasq. |
| 10 | #mx-host= |
| 11 | #mx-target= |
| 12 | #selfmx |
| 13 | #localmx |
| 14 | |
| 15 | # The following three options make you a better netizen, since they |
| 16 | # tell dnsmasq to filter out queries which the public DNS cannot |
| 17 | # answer, and which load the servers (especially the root servers) |
| 18 | # uneccessarily. If you have a dial-on-demand link they also stop |
| 19 | # these requests from bringing up the link uneccessarily. |
| 20 | |
| 21 | # Never forward plain names (with a dot or domain part) |
| 22 | domain-needed |
| 23 | # Reply to reverse queries for addresses in the non-routed address |
| 24 | # space with the dotted.quad address |
| 25 | bogus-priv |
| 26 | # Filter useless windows-originated DNS requests |
| 27 | filterwin2k |
| 28 | |
| 29 | |
| 30 | # Change this line if you want dns to get its upstream servers from |
| 31 | # somewhere other that /etc/resolv.conf |
| 32 | #resolv-file= |
| 33 | |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 34 | # By default, dnsmasq will send queries to any of the upstream |
| 35 | # servers it knows about and tries to favour servers to are known |
| 36 | # to be up. Uncommenting this forces dnsmasq to try each query |
| 37 | # with each server strictly in the order they appear in |
| 38 | # /etc/resolv.conf |
| 39 | #strict-order |
| 40 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 41 | # If you don't want dnsmasq to read /etc/resolv.conf or any other |
| 42 | # file, getting its servers for this file instead (see below), then |
| 43 | # uncomment this |
| 44 | #no-resolv |
| 45 | |
| 46 | # If you don't want dnsmasq to poll /etc/resolv.conf or other resolv |
| 47 | # files for changes and re-read them then uncomment this. |
| 48 | #no-poll |
| 49 | |
| 50 | # Add other name servers here, with domain specs if they are for |
| 51 | # non-public domains. |
| 52 | #server=/localnet/192.168.0.1 |
| 53 | |
| 54 | # Add local-only domains here, queries in these domains are answered |
| 55 | # from /etc/hosts or DHCP only. |
| 56 | #local=/localnet/ |
| 57 | |
| 58 | # Add domains which you want to force to an IP address here. |
| 59 | # The example below send any host in doubleclick.net to a local |
| 60 | # webserver. |
| 61 | #address=/doubleclick.net/127.0.0.1 |
| 62 | |
| 63 | # You no longer (as of version 1.7) need to set these to enable |
| 64 | # dnsmasq to read /etc/ppp/resolv.conf since dnsmasq now uses the |
| 65 | # "dip" group to achieve this. |
| 66 | #user= |
| 67 | #group= |
| 68 | |
| 69 | # If you want dnsmasq to listen for requests only on specified interfaces |
| 70 | # (and the loopback) give the name of the interface (eg eth0) here. |
| 71 | # Repeat the line for more than one interface. |
| 72 | #interface= |
| 73 | # Or you can specify which interface _not_ to listen on |
| 74 | #except-interface= |
| 75 | # Or which to listen on by address (remember to include 127.0.0.1 if |
| 76 | # you use this.) |
| 77 | #listen-address= |
| 78 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 79 | # On systems which support it, dnsmasq binds the wildcard address, |
| 80 | # even when it is listening on only some interfaces. It then discards |
| 81 | # requests that it shouldn't reply to. This has the advantage of |
| 82 | # working even when interfaces come and go and change address. If you |
| 83 | # want dnsmasq to really bind only the interfaces it is listening on, |
| 84 | # uncomment this option. About the only time you may need this is when |
| 85 | # running another nameserver on the same machine. |
| 86 | #bind-interfaces |
| 87 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 88 | # If you don't want dnsmasq to read /etc/hosts, uncomment the |
| 89 | # following line. |
| 90 | #no-hosts |
| 91 | # or if you want it to read another file, as well as /etc/hosts, use |
| 92 | # this. |
| 93 | #addn-hosts=/etc/banner_add_hosts |
| 94 | |
| 95 | # Set this (and domain: see below) if you want to have a domain |
| 96 | # automatically added to simple names in a hosts-file. |
| 97 | #expand-hosts |
| 98 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 99 | # Set the domain for dnsmasq. this is optional, but if it is set, it |
| 100 | # does the following things. |
| 101 | # 1) Allows DHCP hosts to have fully qualified domain names, as long |
| 102 | # as the domain part matches this setting. |
| 103 | # 2) Sets the "domain" DHCP option thereby potentially setting the |
| 104 | # domain of all systems configured by DHCP |
| 105 | # 3) Provides the domain part for "expand-hosts" |
| 106 | #domain=thekelleys.org.uk |
| 107 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 108 | # Uncomment this to enable the integrated DHCP server, you need |
| 109 | # to supply the range of addresses available for lease and optionally |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 110 | # a lease time. If you have more than one network, you will need to |
| 111 | # repeat this for each network on which you want to supply DHCP |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 112 | # service. |
| 113 | #dhcp-range=192.168.0.50,192.168.0.150,12h |
| 114 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 115 | # This is an example of a DHCP range where the netmask is given. This |
| 116 | # is needed for networks we reach the dnsmasq DHCP server via a relay |
| 117 | # agent. If you don't know what a DHCP relay agent is, you probably |
| 118 | # don't need to worry about this. |
| 119 | #dhcp-range=192.168.0.50,192.168.0.150,255.255.255.0,12h |
| 120 | |
| 121 | # This is an example of a DHCP range with a network-id, so that |
| 122 | # some DHCP options may be set only for this network. |
| 123 | #dhcp-range=red,192.168.0.50,192.168.0.150 |
| 124 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 125 | # Supply parameters for specified hosts using DHCP. There are lots |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 126 | # of valid alternatives, so we will give examples of each. Note that |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 127 | # IP addresses DO NOT have to be in the range given above, they just |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 128 | # need to be on the same network. The order of the parameters in these |
| 129 | # do not matter, it's permissble to give name,adddress and MAC in any order |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 130 | |
| 131 | # Always allocate the host with ethernet address 11:22:33:44:55:66 |
| 132 | # The IP address 192.168.0.60 |
| 133 | #dhcp-host=11:22:33:44:55:66,192.168.0.60 |
| 134 | |
| 135 | # Always set the name of the host with hardware address |
| 136 | # 11:22:33:44:55:66 to be "fred" |
| 137 | #dhcp-host=11:22:33:44:55:66,fred |
| 138 | |
| 139 | # Always give the host with ethernet address 11:22:33:44:55:66 |
| 140 | # the name fred and IP address 192.168.0.60 and lease time 45 minutes |
| 141 | #dhcp-host=11:22:33:44:55:66,fred,192.168.0.60,45m |
| 142 | |
| 143 | # Give the machine which says it's name is "bert" IP address |
| 144 | # 192.168.0.70 and an infinite lease |
| 145 | #dhcp-host=bert,192.168.0.70,infinite |
| 146 | |
| 147 | # Always give the host with client identifier 01:02:02:04 |
| 148 | # the IP address 192.168.0.60 |
| 149 | #dhcp-host=id:01:02:02:04,192.168.0.60 |
| 150 | |
| 151 | # Always give the host with client identifier "marjorie" |
| 152 | # the IP address 192.168.0.60 |
| 153 | #dhcp-host=id:marjorie,192.168.0.60 |
| 154 | |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 155 | # Enable the address given for "judge" in /etc/hosts |
| 156 | # to be given to a machine presenting the name "judge" when |
| 157 | # it asks for a DHCP lease. |
| 158 | #dhcp-host=judge |
| 159 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 160 | # If this line is uncommented, dnsmasq will read /etc/ethers and act |
| 161 | # on the ethernet-address/IP pairs found there just as if they had |
| 162 | # been given as --dhcp-host options. Useful if you keep |
| 163 | # MAC-address/host mappings there for other purposes. |
| 164 | #read-ethers |
| 165 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 166 | # Send options to hosts which ask for a DHCP lease. |
| 167 | # See RFC 2132 for details of available options. |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 168 | # Note that all the common settings, such as netmask and |
| 169 | # broadcast address, DNS server and default route, are given |
| 170 | # sane defaults by dnsmasq. You very likely will not need any |
| 171 | # any dhcp-options. If you use Windows clients and Samba, there |
| 172 | # are some options which are recommended, they are detailed at the |
| 173 | # end of this section. |
| 174 | # For reference, the common options are: |
| 175 | # subnet mask - 1 |
| 176 | # default router - 3 |
| 177 | # DNS server - 6 |
| 178 | # broadcast address - 28 |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 179 | |
| 180 | # Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5 |
| 181 | #dhcp-option=42,192.168.0.4,10.10.0.5 |
| 182 | |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 183 | # Set the NTP time server address to be the same machine as |
| 184 | # is running dnsmasq |
| 185 | #dhcp-option=42,0.0.0.0 |
| 186 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 187 | # Set the NIS domain name to "welly" |
| 188 | #dhcp-option=40,welly |
| 189 | |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 190 | # Set the default time-to-live to 50 |
| 191 | #dhcp-option=23,50 |
| 192 | |
| 193 | # Set the "all subnets are local" flag |
| 194 | #dhcp-option=27,1 |
| 195 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 196 | # Specify an option which will only be sent to the "red" network |
| 197 | # (see dhcp-range for the declaration of the "red" network) |
| 198 | #dhcp-option=red,42,192.168.1.1 |
| 199 | |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 200 | # The following DHCP options set up dnsmasq in the same way as is specified |
| 201 | # for the ISC dhcpcd in |
| 202 | # http://www.samba.org/samba/ftp/docs/textdocs/DHCP-Server-Configuration.txt |
| 203 | # adapted for a typical dnsmasq installation where the host running |
| 204 | # dnsmasq is also the host running samba. |
| 205 | # you may want to uncomment them if you use Windows clients and Samba. |
| 206 | #dhcp-option=19,0 # option ip-forwarding off |
| 207 | #dhcp-option=44,0.0.0.0 # set netbios-over-TCP/IP nameserver(s) aka WINS server(s) |
| 208 | #dhcp-option=45,0.0.0.0 # netbios datagram distribution server |
| 209 | #dhcp-option=46,8 # netbios node type |
| 210 | #dhcp-option=47 # empty netbios scope. |
| 211 | |
| 212 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 213 | # Set the boot filename and tftpd server name and address |
| 214 | # for BOOTP. You will only need this is you want to |
| 215 | # boot machines over the network. |
| 216 | #dhcp-boot=/var/ftpd/pxelinux.0,boothost,192.168.0.3 |
| 217 | |
Simon Kelley | 44a2a31 | 2004-03-10 20:04:35 +0000 | [diff] [blame^] | 218 | # Set the limit on DHCP leases, the default is 150 |
| 219 | #dhcp-lease-max=150 |
| 220 | |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 221 | # The DHCP server needs somewhere on disk to keep its lease database. |
| 222 | # This defaults to a sane location, but if you want to change it, use |
| 223 | # the line below. |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 224 | #dhcp-leasefile=/var/lib/misc/dnsmasq.leases |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 225 | |
| 226 | # Set the cachesize here. |
Simon Kelley | 1ab84e2 | 2004-01-29 16:48:35 +0000 | [diff] [blame] | 227 | #cache-size=150 |
Simon Kelley | 9e4abcb | 2004-01-22 19:47:41 +0000 | [diff] [blame] | 228 | |
| 229 | # If you want to disable negative caching, uncomment this. |
| 230 | #no-negcache |
| 231 | |
| 232 | # Normally responses which come form /etc/hosts and the DHCP lease |
| 233 | # file have Time-To-Live set as zero, which conventionally means |
| 234 | # do not cache further. If you are happy to trade lower load on the |
| 235 | # server for potentially stale date, you can set a time-to-live (in |
| 236 | # seconds) here. |
| 237 | #local-ttl= |
| 238 | |
| 239 | # If you want dnsmasq to detect attempts by Verisign to send queries |
| 240 | # to unregistered .com and .net hosts to its sitefinder service and |
| 241 | # have dnsmasq instead return the correct NXDOMAIN response, uncomment |
| 242 | # this line. You can add similar lines to do the same for other |
| 243 | # registries which have implemented wildcard A records. |
| 244 | #bogus-nxdomain=64.94.110.11 |
| 245 | |
| 246 | # For debugging purposes, log each DNS query as it passes through |
| 247 | # dnsmasq. |
| 248 | #log-queries |
| 249 | |
| 250 | |
| 251 | |
| 252 | |
| 253 | |
| 254 | |