Wow, thanks for writing that up, Bret. I'm not sure what changes on your ISP's DNS server to make it a "forwarder" - a DNS server that didn't forward the results wouldn't be too helpful ...
I'll read up on the forwarder idea tomorrow - I'm taking a trip down to my local Barnes and Noble to find a book on DNS, bind, etc. You mentioned dhcpd and internal dns. I'd ask you how that works, too, but I think I've used up my coupons for this list for a few days ! Thanks again. julian. ========================= At 05:25 PM 1/4/02 -0600, you wrote: >On Fri, 2002-01-04 at 11:40, Julian Opificius wrote: > > Dave, > > > > I want to do exactly as you described below - use my DNS server for local > > static resolution, and as a cache for real world addresses. > > What I need to do now is find out how to build my zone files to support > the > > local network. > > > >Short answer: forwarders option in dns. > >Here is how I set up our office network. > >Scenario: > >External website and email through verio web hosting services. Domian >name elevating.com > >Internal domain for machines on private ip space lan behind masquerading >firewall. domainname tulsa.elevating.com. > >hetrogenous network of 5 windows machines of various flavors and a total >of 40+ linux boxes > >I wanted to be able to resolve internal machine names and external "real >" names so I did the following. > > > >I installed bind on one of our servers. redhat of course. installed >webmin. Acually, at the time it was linuxconf that initially set this >up but I manage it and all my servers with webmin primarily. > >created a zone and named the domain tulsa.elevating.com and added all >the internal machines that needed access to services that require dns to >the zone. Made sure that the update reverse mapping too was checked. > >added forwarders to our isp's (SBC) dns servers. > >added the ipaddress of the new dns server to my dhcpd.conf file so that >all the machines on the lan would get the new server as its name >resolution host. > >here is what happens: > >A machine needs resolution to an internal name, and sends a request to >my dns. it finds it in its local zone file and returns it. > >Now machine needs to resolve an external network address say, >www.prairienet.com it asks the dns server who looks and says "hey, I >dont have this domain under my control, I need to ask my forwarder about >it" It then sends a request to SBC's dns server who returns >www.prairienet.com's ip address. My dns server then sends it to the >original requesting machine and adds it to it's cache in case someone >else asks for it any time soon. I forget how often it purges its >cache. The original machine then allows the user to browse to >prairienet and search the redhat hat archives for answers to his >questions incae they have been asked before :) > > >Bret > > > >_______________________________________________ >Redhat-list mailing list >[EMAIL PROTECTED] >https://listman.redhat.com/mailman/listinfo/redhat-list _______________________________________________ Redhat-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
