Date: Wed, 3 May 2000 21:04:27 +0400 (MSD) From: Andrey Sverdlichenko <blaze@infosec.ru> To: freebsd-net@freebsd.org Subject: double icmp response Message-ID: <Pine.BSF.4.20.0005032057580.6862-100000@blaze>
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If outgoing packet dropped by `unreach' action in ipfw, two icmp
packets will be send: one from ip_fw.c and other from ip_forward.c.
This patch correts this behavior.
--- ip_input.c.old Mon Mar 27 23:14:21 2000
+++ ip_input.c Wed May 3 21:03:11 2000
@@ -1561,6 +1561,10 @@
return;
}
}
+ if (error == EACCES) {
+ m_freem(mcopy);
+ mcopy = NULL;
+ }
if (mcopy == NULL)
return;
destifp = NULL;
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