David Banning wrote:
My problem is that the server I use for DNS keeps going dead.
My ISP is most familiar with windows users who get their DNS
automatically from their connection. When my ISP gives me a good
DNS server number, it seems to go dead six months later, and I have to
call them again.
Is there a way to get DNS automatically, say from the DHCP connection IP
address given to me? or, is there some great free DNS server that will
stay in business for some time that I can plug into my resolv.conf?
I am in Toronto, Canada so I guess a DNS should be in reasonable proximity.
Getting DNS server info from the ISP when you get your DHCP lease is
the typical case, as far as I know (it really has nothing to do with
Windows users). The special case as it may apply to FreeBSD home
users is that you might want to be running a home network DNS server
too (e.g. to host a "myhome.lab" domain). If you're doing that then
you want the resolv.conf on your firewall to point to localhost (or
your inside network server) as well as to the ISP DNS servers.
This may be where you're coming from if you are editing resolv.conf
by hand, whereas DHCP would normally populate resolv.conf for you
every time your lease is renewed. What you probably want is to
automatically merge your home network settings with the changing
info provided by the ISP. Easy to do. I forget the specifics and am
not at home to check my running config, but I am sure that
everything you need is within:
man dhclient.conf
You're looking for a "prepend" command to put your local DNS server
first in resolv.conf, and have DHCP append the ISP's servers. If you
don't have an internal DNS server, all you need is to send the ISP a
request for their DNS server addrs (which you'd also do with
dhclient.conf).
--
Greg Barniskis, Computer Systems Integrator
South Central Library System (SCLS)
Library Interchange Network (LINK)
<gregb at scls.lib.wi.us>, (608) 266-6348
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