[Dnsmasq-discuss] basic host name problem
Adam Hardy
adam.ant at cyberspaceroad.com
Tue Jan 26 09:19:57 GMT 2010
richardvoigt at gmail.com on 26/01/10 01:56, wrote:
>>>> There must be something missing from my dnsmasq config because I see now that
>>>> any attempt to use the host names of dhcp clients from the gateway server fail
>>>> with " unknown host ...". I'm on debian stable if that makes any difference
>>> Sounds like your gateway is not using dnsmasq for lookups. dnsmasq
>>> tells dhcp clients to use its services, but the gateway you will have
>>> to manually configure in /etc/resolv.conf to send requests to the
>>> local dnsmasq process.
>> I mistakenly included the /etc/hosts file instead of the /etc/resolv.conf file
>> which would have been far more informative re this problem.
>>
>> It looks like this:
>>
>> adam at isengard:~$ cat /etc/resolv.conf
>> domain isengard.localdomain
>> search isengard.localdomain
>> nameserver 127.0.0.1
>> nameserver 194.74.65.68
>
> Run netstat whilst dnsmasq is stopped, to see if any other dns-capable
> daemon could be binding port 53 and preventing dnsmasq from receiving
> the queries.
This is what I see:
Interesting ports on localhost (127.0.0.1):
Not shown: 1703 closed ports
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
25/tcp open smtp
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
631/tcp open ipp
3306/tcp open mysql
3689/tcp open rendezvous
7634/tcp open hddtemp
8009/tcp open ajp13
8080/tcp open http-proxy
Read data files from: /usr/share/nmap
Nmap done: 1 IP address (1 host up) scanned in 0.148 seconds
adam at isengard:~$ netstat -an |grep -i "listen "
tcp 0 0 0.0.0.0:11301 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:6600 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3689 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:33005 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:7634 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp6 0 0 127.0.0.1:8005 :::* LISTEN
tcp6 0 0 :::8009 :::* LISTEN
tcp6 0 0 :::139 :::* LISTEN
tcp6 0 0 :::8080 :::* LISTEN
tcp6 0 0 :::22 :::* LISTEN
tcp6 0 0 ::1:631 :::* LISTEN
tcp6 0 0 :::445 :::* LISTEN
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