How to handle rfc 1918 addresses locally

phn at icke-reklam.ipsec.nu phn at icke-reklam.ipsec.nu
Sat Mar 2 10:48:33 UTC 2002


Karyn Williams <karyn at calarts.edu> wrote:

> I just found a message from Joseph Yao 1999 in the archives and used it.
> Thanks Joseph. It worked but I have one more question. I am doing this for
> 172.16/12 and I would really appreciate it if someone would tell me how to
> do this with one zone file. I am assuming it can be done with one zone
> file. The example in Joseph's message was for 10/8.

Nope, you will need 16 zonefiles to cover 172.16/12

( if they are empty you could use the same file, but still
you need 16 zoned in named.conf)



> --Original message--
> We use a mix of public and private addresses on our lan. There is no DMZ or
> firewall, just NAT. Even though I think NAT should happen between our
> vlans, it does not always do so. Three times recently we have seen a major
> slowdown on one of our servers. Solaris 8. It does pop, ssh, http. What is
> happening as far as I can tell is that it is sporadically timing out doing
> reverse lookups on our private addresses. I STFW and read DNS and Bind V4,
> but have not found much on this subject. It does seem as though we should
> have reverse zone files for the private addresses we use. I tried setting
> this up today, but it seems to not help. 

> So, the first question is, is this the correct solution ?

> Next, anything special I should know WRT setting up reverse files for
> private addresses ?

> ANY help would be appreciated.


> -- 

> Karyn Williams
> Network Services Manager
> karyn at calarts.edu
> http://www.calarts.edu/network


-- 
Peter Håkanson         
        IPSec  Sverige      (At the Riverside of Gothenburg, home of Volvo)
           Sorry about my e-mail address, but i'm trying to keep spam out.
	   Remove "icke-reklam" and it works.


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