Newbie needs help - non-authoritative lookup, reverse zone

phn at icke-reklam.ipsec.nu phn at icke-reklam.ipsec.nu
Thu Jun 3 21:05:41 UTC 2004


Arthur Penn <kalahari875 at netscape.net> wrote:
> Thanks. A few more dense questions follow...

> phn at icke-reklam.ipsec.nu wrote in message news:<c9l5ir$2ugs$1 at sf1.isc.org>...
>> > 2) I set up a reverse lookup zone to try to resolve names of machines
>> > on the local net. Since most of the local machines have their IP
>> > addresses set by DHCP from the router, how can I get the entries for
>> > these machine names to show up automatically in the zone file?
>> 
>> Short answer : you cannot unless your router updates the 71.168.192.in-addr.arpa
>> zone with the actual leases. 

> Do you know if there a way to force this to happen?


>> > 3) I had changed /etc/resolv.conf before to remove the nameservers of
>> > my ISP that DHCP placed there and use my local DNS, but sometime today
>> > something overwrote /etc/resolv.conf and put the ISP's DNSes back in
>> > there. How can I stop this?
>> DHCPclient does this. If your router is a linux or bsd box you might 
>> elevate ( chflag(1) ) the protection of /etc/resolv.conf 

> Sorry, I'm pretty new to Linux and I don't seem to have a chflag
> command. Is this something I can do with chmod?

Sorry , chflags was the command in freebsd. Maybe chattr
( or search man -k attributes ) 

There is a simular functionality in Linux where a file
may be given additional "protection".


> Thanks for your reply!

> Arthur


-- 
Peter Håkanson         
        IPSec  Sverige      ( At Gothenburg Riverside )
           Sorry about my e-mail address, but i'm trying to keep spam out,
	   remove "icke-reklam" if you feel for mailing me. Thanx.


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