Caching forward-first and DHCP
Mark Andrews
Mark_Andrews at isc.org
Mon Nov 21 23:51:49 UTC 2005
> Running a caching server as follows (RH FC3):
>
> options {
> directory "/var/named/";
> forward first;
> forwarders {
> 24.93.41.125;
> 24.93.40.62;
> 24.93.40.63;
> };
> listen-on { 192.168.10.0/24; 127.0.0.0/8; };
> allow-transfer { none; };
> };
>
> The server is my gateway and firewall, and gets its IP and DNS
> server list from my provider's DHCP server. Is there a standard
> interface in BIND to get the DHCP client (dhclient 3.0.1) to tweak
> BIND (bind 9.2.5) with the current DNS server IPs on startup?
>
> If so, how's it done? Is this question more appropriate for a
> dhclient forum?
Personally I would get rid of the forwarders. If you want
to do it then you use dhclient-exit-hooks.
My dhclient-exit-hooks, re-builds the nat configuration,
re-establishes the IPv6 tunnel, re-configures the IP phone
and restarts xntp.
Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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