Re: [pmfirewall] $OUTERNET vs $REMOTENET

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From: Charles Curley (ccurley@trib.com)
Date: Wed Nov 15 2000 - 18:20:38 PST

On Wed, Nov 15, 2000 at 05:31:41PM -0800, James Nessen wrote:
> It will.
>
> a /32 = a netmask of 255.255.255.255 (a single static IP).

I don't think so. A /32 means all bits in the netmask asserted, as you
say, or 255.255.255.255. But the netmask defines the network portion of
the IP address. 32 bits of netmask leaves 0 bits for the IP
addresse(s). To have a valid single IP address, you would have to have
/31, or 255.255.255.254. This would leave the even value for the network,
and so unavailable for an IP address, and the odd value for the IP
address. Methinks a network with one IP address on it isn't very useful. 

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