RE: Wol Magic Packets

["claudio987\@libero\.it" <claudio987@libero.it>]

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From      : netfilter-bounces@lists.netfilter.org
To          : "netfilter" netfilter@lists.netfilter.org
Cc          :
Date      : Mon, 28 Aug 2006 18:25:41 +0200
Subject : RE: Wol Magic Packets







> "claudio987@libero.it" wrote:
> > Rob Sterenborg... Can you answer me please?
>
> Ah, right. Last time you answered "ok, I'm sorry, I haven't red your
> message at all." so then I thought "what's the use to answer"..
>
> If WOL packets really *do* enter your network then I don't know how to
> block them.
>
> According to the AMD whitepaper a WOL packet is sent using a subnet
> directed broadcast to pass through routers. If you search around the
> internet, you find that directed broadcasts can be blocked by using:
> "echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts".
> But, that's ICMP and UDP seems (commonly) to be used for WOL packets so
> this would not help you.
>
>
> Gr,
> Rob
>
>
>
packet enters only if I send it to a port opened into the router...: for example: if I forward port 30 tcp\udp to 192.168.0.2 (pc of my lan) and I send a wol packet for another internet address out of my lan to poty 30 of external ppp0 interface of my router, pc 192.168.0.2 turns on


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