<br><br><div><span class="gmail_quote">On 9/2/07, <b class="gmail_sendername">Stephen Atty</b> <<a href="mailto:steve_atty@yahoo.co.uk">steve_atty@yahoo.co.uk</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I've got dnsmasq set up on my home network and its<br>working extremely well.<br><br>I do however have a slight problem - which might not<br>be a problem with dnsmasq but with the way I've got<br>something set up.
<br><br>I have a laptop which I use at work and at home. It<br>gets its IP address dynamically in both networks.<br><br>When I power up the laptop at home I get the following<br>message in the /var/log/warn file:<br><br>Sep 1 09:05:53 strauss dnsmasq[2940]: Ignoring DHCP
<br>host name <a href="http://KODALY.myworks.domain.com">KODALY.myworks.domain.com</a> because it has an<br>illegal domain part.<br><br>ipconfig /all on the laptop (XP Pro) shows:<br><br>Windows IP Configuration<br><br> Host Name . . . . . . . . . . . . : KODALY
<br> Primary Dns Suffix . . . . . . . :<br><a href="http://myworks.domain.com">myworks.domain.com</a><br> Node Type . . . . . . . . . . . . : Hybrid<br> IP Routing Enabled. . . . . . . . : No<br> WINS Proxy Enabled. . . . . . . . : No
<br> DNS Suffix Search List. . . . . . :<br><a href="http://myworks.domain.com">myworks.domain.com</a><br> <a href="http://tty.org.uk">tty.org.uk</a><br><br><br>Everything is working fine as far as I can tell. So
<br>the question is:<br><br>1) Do I just ignore the message and leave things as<br>they are<br>2) Tweak dnsmasq to stop it reporting the error<br>3) Tweak my XP config so its primary DNS suffix<br>changes when I'm at home (I assume that it is this
<br>that is causing the message to be reported)</blockquote><div><br>That warning is quite ignorable. All it means is that dnsmasq will not
use the dhcp lease in response to a dns lookup for
<a href="http://KODALY.myworks.domain.com">KODALY.myworks.domain.com</a>, it will contact the upstream dns servers.
No harm done. It's to protect ISPs against a customer setting their
computer name as e.g. <a href="http://www.microsoft.com">www.microsoft.com</a> and executing a
man-in-the-middle attack via dns poisoning. If the client provided a
name in the domain dnsmasq expected, then queries for that name would
be answered internally from the dhcp information.<br>
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