On Mon, Sep 24, 2001 at 04:06:45PM +1200, Juha Saarinen wrote:
> Misunderstood what Lamont was trying to show earlier... but he's right:
> FreeBSD sends 127/8 out on the 'Net:
I don't think FreeBSD is non-compliant for sending packets with
destination 127/8 out onto the net, but I guess it could make it
harder for users to send packets with moronic destinations out.
--- rc.network.orig Mon Sep 24 00:08:17 2001
+++ rc.network Mon Sep 24 00:14:05 2001
@@ -346,6 +346,13 @@
done
fi
+ # Add a blackhole static route for 127/8, since packets with
+ # that destination should be caged up and starved
+ lo0_inet=$(ifconfig lo0 | awk '($1 == "inet") { print $2; exit; }')
+ if [ -n "${lo0_inet}" ]; then
+ route add 127.0.0.0 -netmask 255.0.0.0 ${lo0_inet} -blackhole
+ fi
+
echo -n 'Additional routing options:'
case ${tcp_extensions} in
[Yy][Ee][Ss] | '')
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