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 From:  Chris Buechler <cbuechler at gmail dot com>
 Cc:  m0n0wall dash dev at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall-dev] Automating Proxy ARP
 Date:  Wed, 27 Apr 2005 12:49:22 -0400
On 4/27/05, Peter Allgeyer <allgeyer at web dot de> wrote:
> Hi,
> another feature request/design question.
> Since there are a lot of questions on the m0n0 mailing list about proxy
> arp, I'm wondering, if it is usuable to make proxy arp automatically,
> when you are choosing "1:1 NAT"? I'm thinking of a solution like the one
> on the inbound NAT page, there I can set a marker to Auto-add a firewall
> rule to permit traffic through this NAT rule.

An "auto add proxy ARP" checkbox would be nice.  Proxy ARP isn't
always necessary though, so you wouldn't want to turn it on
regardless.  I don't know that it'd cause any problems turning it on
if it isn't needed.

I would like to know under what circumstances it is and isn't needed. 
Seems that while everything says it typically isn't needed, it is
needed on broadcast networks which seem to be the majority of internet
connections.  So I'm curious where the "it typically isn't needed"
came from.