James Knott wrote:
Togan Muftuoglu wrote:
You actually gave the answer yourself.
"I have a firewall running OpenSUSE 11.3 and dnsmasq." It is the dnsmasq
that is providing the info.
Yes, I know that a caching DNS server. My question is
how does it
know to give the local IP address for an external host name, when it's
not configured anywhere in the box? Also, assuming it obtained it's
external address from an earlier DNS request and matched it to the
local address, I tried again this morning and it still knows. The
cache shouldn't last anywhere near that long. The firewall has a
different local network host name configured in Yast and also listed
in /etc/hosts, which points to the local IPv4 address.
Further on this. I just rebooted the firewall for a kernel update and
it now no longer returns anything for that external host name. I
suppose I should see if I can tell dnsmasq to go to the external DNS for
hosts on this domain that are not included in /etc/hosts.
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