Using DNS names when making iptables rules

S. Shore sshore@escape.ca
Thu, 10 Jan 2002 15:26:31 -0600 (CST)


On Thu, 10 Jan 2002, Simon Edwards wrote:
> On Tuesday 08 January 2002 22:21, S. Shore wrote:
> > - The name must resolve to a single address. Names that resolve to
> > multiple addresses cause iptables to complain.
>
> Are you sure? I'm quite certain that when a name resolves to more than one IP
> you effectively get multiple rules inserted (one for each IP).

I've tested it now, and you're right. This used to be a problem (iptables
would complain about too many arguments), but it now appears to add a rule
for each address.

Scottie Shore <sshore@escape.ca>
 "Experience is that marvelous thing that enables you to recognize
  a mistake when you make it again." -- F. P. Jones