root@fritz:/var/tmp# ./dnsmasq --help
Usage: dnsmasq [options]
Valid options are:
-a, --listen-address=ipaddr Specify local address(es) to listen on.
-A, --address=/domain/ipaddr Return ipaddr for all hosts in specified domains.
-b, --bogus-priv Fake reverse lookups for RFC1918 private address ranges.
-B, --bogus-nxdomain=ipaddr Treat ipaddr as NXDOMAIN (defeats Verisign wildcard).
-c, --cache-size=cachesize Specify the size of the cache in entries (defaults to 150).
-C, --conf-file=path Specify configuration file (defaults to /mod/etc/dnsmasq.conf).
-d, --no-daemon Do NOT fork into the background: run in debug mode.
-D, --domain-needed Do NOT forward queries with no domain part.
-e, --selfmx Return self-pointing MX records for local hosts.
-E, --expand-hosts Expand simple names in /etc/hosts with domain-suffix.
-f, --filterwin2k Don't forward spurious DNS requests from Windows hosts.
-F, --dhcp-range=ipaddr,ipaddr,time Enable DHCP in the range given with lease duration.
-g, --group=groupname Change to this group after startup (defaults to dip).
-G, --dhcp-host=<hostspec> Set address or hostname for a specified machine.
--dhcp-hostsfile=<filename> Read DHCP host specs from file.
--dhcp-optsfile=<filename> Read DHCP option specs from file.
--tag-if=tag-expression Evaluate conditional tag expression.
-h, --no-hosts Do NOT load /etc/hosts file.
-H, --addn-hosts=path Specify a hosts file to be read in addition to /etc/hosts.
-i, --interface=interface Specify interface(s) to listen on.
-I, --except-interface=int Specify interface(s) NOT to listen on.
-j, --dhcp-userclass=set:<tag>,<class> Map DHCP user class to tag.
--dhcp-circuitid=set:<tag>,<circuit>Map RFC3046 circuit-id to tag.
--dhcp-remoteid=set:<tag>,<remote> Map RFC3046 remote-id to tag.
--dhcp-subscrid=set:<tag>,<remote> Map RFC3993 subscriber-id to tag.
-J, --dhcp-ignore=tag:<tag>... Don't do DHCP for hosts with tag set.
--dhcp-broadcast[=tag:<tag>...] Force broadcast replies for hosts with tag set.
-k, --keep-in-foreground Do NOT fork into the background, do NOT run in debug mode.
-K, --dhcp-authoritative Assume we are the only DHCP server on the local network.
-l, --dhcp-leasefile=path Specify where to store DHCP leases (defaults to /var/tmp/dnsmasq.leases).
-L, --localmx Return MX records for local hosts.
-m, --mx-host=host_name,target,pref Specify an MX record.
-M, --dhcp-boot=<bootp opts> Specify BOOTP options to DHCP server.
-n, --no-poll Do NOT poll /etc/resolv.conf file, reload only on SIGHUP.
-N, --no-negcache Do NOT cache failed search results.
-o, --strict-order Use nameservers strictly in the order given in /etc/resolv.conf.
-O, --dhcp-option=<optspec> Specify options to be sent to DHCP clients.
--dhcp-option-force=<optspec> DHCP option sent even if the client does not request it.
-p, --port=number Specify port to listen for DNS requests on (defaults to 53).
-P, --edns-packet-max=<size> Maximum supported UDP packet size for EDNS.0 (defaults to 4096).
-q, --log-queries Log DNS queries.
-Q, --query-port=number Force the originating port for upstream DNS queries.
-R, --no-resolv Do NOT read resolv.conf.
-r, --resolv-file=path Specify path to resolv.conf (defaults to /etc/resolv.conf).
-S, --server=/domain/ipaddr Specify address(es) of upstream servers with optional domains.
--local=/domain/ Never forward queries to specified domains.
-s, --domain=<domain>[,<range>] Specify the domain to be assigned in DHCP leases.
-t, --mx-target=host_name Specify default target in an MX record.
-T, --local-ttl=time Specify time-to-live in seconds for replies from /etc/hosts.
--neg-ttl=time Specify time-to-live in seconds for negative caching.
--max-ttl=time Specify time-to-live in seconds for maximum TTL to send to clients.
-u, --user=username Change to this user after startup. (defaults to nobody).
-U, --dhcp-vendorclass=set:<tag>,<class>Map DHCP vendor class to tag.
-v, --version Display dnsmasq version and copyright information.
-V, --alias=addr,addr,mask Translate IPv4 addresses from upstream servers.
-W, --srv-host=name,target,... Specify a SRV record.
-w, --help Display this message. Use --help dhcp for known DHCP options.
-x, --pid-file=path Specify path of PID file (defaults to /var/run/dnsmasq/dnsmasq.pid).
-X, --dhcp-lease-max=number Specify maximum number of DHCP leases (defaults to 1000).
-y, --localise-queries Answer DNS queries based on the interface a query was sent to.
-Y, --txt-record=name,txt.... Specify TXT DNS record.
--ptr-record=name,target Specify PTR DNS record.
--interface-name=name,interface Give DNS name to IPv4 address of interface.
-z, --bind-interfaces Bind only to interfaces in use.
-Z, --read-ethers Read DHCP static host information from /etc/ethers.
-1, --enable-dbus Enable the DBus interface for setting upstream servers, etc.
-2, --no-dhcp-interface=interface Do not provide DHCP on this interface, only provide DNS.
-3, --bootp-dynamic[=tag:<tag>]... Enable dynamic address allocation for bootp.
-4, --dhcp-mac=set:<tag>,<mac address> Map MAC address (with wildcards) to option set.
--bridge-interface=iface,alias,.. Treat DHCP requests on aliases as arriving from interface.
-5, --no-ping Disable ICMP echo address checking in the DHCP server.
-6, --dhcp-script=path Script to run on DHCP lease creation and destruction.
-7, --conf-dir=path Read configuration from all the files in this directory.
-8, --log-facility=<facilty>|<file> Log to this syslog facility or file. (defaults to DAEMON)
-9, --leasefile-ro Do not use leasefile.
-0, --dns-forward-max=<queries> Maximum number of concurrent DNS queries. (defaults to 150)
--clear-on-reload Clear DNS cache when reloading /etc/resolv.conf.
--dhcp-ignore-names[=tag:<tag>]... Ignore hostnames provided by DHCP clients.
--dhcp-no-override Do NOT reuse filename and server fields for extra DHCP options.
--enable-tftp[=<interface>] Enable integrated read-only TFTP server.
--tftp-root=<dir>[,<iface>] Export files by TFTP only from the specified subtree.
--tftp-unique-root Add client IP address to tftp-root.
--tftp-secure Allow access only to files owned by the user running dnsmasq.
--tftp-max=<connections> Maximum number of conncurrent TFTP transfers (defaults to 50).
--tftp-no-blocksize Disable the TFTP blocksize extension.
--tftp-port-range=<start>,<end> Ephemeral port range for use by TFTP transfers.
--log-dhcp Extra logging for DHCP.
--log-async[=<log lines>] Enable async. logging; optionally set queue length.
--stop-dns-rebind Stop DNS rebinding. Filter private IP ranges when resolving.
--rebind-localhost-ok Allow rebinding of 127.0.0.0/8, for RBL servers.
--rebind-domain-ok=/domain/ Inhibit DNS-rebind protection on this domain.
--all-servers Always perform DNS queries to all servers.
--dhcp-match=set:<tag>,<optspec> Set tag if client includes matching option in request.
--dhcp-alternate-port[=<ports>] Use alternative ports for DHCP.
--dhcp-scriptuser=<username> Run lease-change script as this user.
--naptr-record=<name>,<naptr> Specify NAPTR DNS record.
--min-port=<port> Specify lowest port available for DNS query transmission.
--dhcp-fqdn Use only fully qualified domain names for DHCP clients.
--dhcp-generate-names[=tag:<tag>]...Generate hostnames based on MAC address for nameless clients.
--dhcp-proxy[=<ip_address>]... Use these DHCP relays as full proxies.
--cname=<alias>,<target> Specify alias name for LOCAL DNS name.
--pxe-prompt=<prompt>,[<timeout>] Prompt to send to PXE clients.
--pxe-service=<service> Boot service for PXE menu.
--test Check configuration syntax.
root@fritz:/var/tmp#
root@fritz:/var/tmp# ldd dnsmasq
not a dynamic executable
root@fritz:/var/tmp#