Doug Barton DougB at
Sun Dec 29 21:20:06 UTC 2002

On Fri, 27 Dec 2002, Jeff Grossman wrote:

> I have my own DNS zone setup as a blackhole zone for IP numbers I do
> not want to receive e-mail from.

This doesn't sound like a problem that DNS is the ideal solution for, but
it's your time to spend.

> So far I have only been using single IP address which point to an A
> record of  But, now I want to block a whole range of
> addresses.  I have looked at the Bind ARM manual, and found the GENERATE
> command.  But, I need some help.  How would I go about blocking a range
> like 10.10.192/19 and 10.10.0/18?

Unless I'm missing something, you'd need zone entries in named.conf for
each of the /24's. You could point them all to the same zone file though.

Good luck,


   "We have known freedom's price. We have shown freedom's power.
      And in this great conflict, ...  we will see freedom's victory."
	- George W. Bush, President of the United States
          State of the Union, January 28, 2002

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