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> > > Jun-ichiro itojun Hagino wrote:
> > > > 	0.0.0.0/8 will not match any source address.  am i mistaken?
> > > You are not. However, upon establishing a successful pppoe link the 
> > > result looks like this
> > >     inet 80.130.149.14 -> 217.5.98.29 netmask 0xff000000
> > > which causes Postfix to treat 80.0.0.0/8 as a trusted network to relay for.
> > 
> > 	now i see the problem.  yes, it has to be fixed (documentation fix only
> > 	i suppose).
> 
> 	does it address your problem?

	more radical patch would be this, but it has bad sideeffect
	(people setting /30 to p2p interface will get angry)

itojun

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Index: in.c
===================================================================
RCS file: /cvsroot/src/sys/netinet/in.c,v
retrieving revision 1.91
diff -u -r1.91 in.c
--- in.c	16 Aug 2003 11:30:35 -0000	1.91
+++ in.c	2 Oct 2003 01:37:01 -0000
@@ -849,6 +849,10 @@
 		ia->ia_netmask = IN_CLASSB_NET;
 	else
 		ia->ia_netmask = IN_CLASSC_NET;
+
+	if (ifp->if_flags & IFF_POINTOPOINT)
+		ia->ia_netmask = 0xffffffff;
+
 	/*
 	 * The subnet mask usually includes at least the standard network part,
 	 * but may may be smaller in the case of supernetting.

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