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Re: RESOLVED: PF and passing traffic from RFC 1918 addresses in on external interface

From: Brian A. Seklecki (lavalampspiritual-machines.org)
Date: Sat Aug 02 2003 - 19:51:36 CDT


On Mon, 2003-07-28 at 13:20, Mark Hopkins wrote:

 
> > Does pf drop traffic incoming on the external interface from RFC 1918
> > address by default, even if the ruleset says to pass in all, pass out all?
 

Be aware of ISPs using RFC 1918 reserved space for WAN addresses such as
P-t-P /30s (and then not setting up a NAT pool).

The result? Your router's ext interface can't reach important resources
on the `net, unless you can tell X-service to source packets from the
Lan IF.

That's okay, my router doesn't need to synchronize it's clock with NTP,
i'll just get it closer to a window so it can use a sundial >:}

-lava