diff -uNr original/linux/include/linux/netfilter_ipv4/ipt_random.h linux/include/linux/netfilter_ipv4/ipt_random.h
--- original/linux/include/linux/netfilter_ipv4/ipt_random.h	Thu Jan  1 07:30:00 1970
+++ linux/include/linux/netfilter_ipv4/ipt_random.h	Sun Oct 14 16:03:48 2001
@@ -0,0 +1,11 @@
+#ifndef _IPT_RAND_H
+#define _IPT_RAND_H
+
+#include <linux/param.h>
+#include <linux/types.h>
+
+struct ipt_rand_info {
+	u_int8_t average;
+};
+
+#endif /*_IPT_RAND_H*/
diff -uNr original/linux/net/ipv4/netfilter/ipt_random.c linux/net/ipv4/netfilter/ipt_random.c
--- original/linux/net/ipv4/netfilter/ipt_random.c	Thu Jan  1 07:30:00 1970
+++ linux/net/ipv4/netfilter/ipt_random.c	Sun Oct 14 16:03:48 2001
@@ -0,0 +1,94 @@
+/*
+  This is a module which is used for a "random" match support.
+  This file is distributed under the terms of the GNU General Public
+  License (GPL). Copies of the GPL can be obtained from:
+     ftp://prep.ai.mit.edu/pub/gnu/GPL
+
+  2001-10-14 Fabrice MARIE <fabrice@celestix.com> : initial implementation.
+*/
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <linux/random.h>
+#include <net/tcp.h>
+#include <linux/spinlock.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_random.h>
+
+static int
+ipt_rand_match(const struct sk_buff *pskb,
+	       const struct net_device *in,
+	       const struct net_device *out,
+	       const void *matchinfo,
+	       int offset,
+	       const void *hdr,
+	       u_int16_t datalen,
+	       int *hotdrop)
+{
+	/* Parameters from userspace */
+	const struct ipt_rand_info *info = matchinfo;
+	u_int8_t random_number;
+
+	/* get 1 random number from the kernel random number generation routine */
+	get_random_bytes((void *)(&random_number), 1);
+
+	/* Do we match ? */
+	if (random_number <= info->average)
+		return 1;
+	else
+		return 0;
+}
+
+static int
+ipt_rand_checkentry(const char *tablename,
+		   const struct ipt_ip *e,
+		   void *matchinfo,
+		   unsigned int matchsize,
+		   unsigned int hook_mask)
+{
+	/* Parameters from userspace */
+	const struct ipt_rand_info *info = matchinfo;
+
+	if (matchsize != IPT_ALIGN(sizeof(struct ipt_rand_info))) {
+		printk("ipt_random: matchsize %u != %u\n", matchsize,
+		       IPT_ALIGN(sizeof(struct ipt_rand_info)));
+		return 0;
+	}
+
+	/* must be  1 <= average % <= 99 */
+	/* 1  x 2.55 = 2   */
+	/* 99 x 2.55 = 252 */
+	if ((info->average < 2) || (info->average > 252)) {
+		printk("ipt_random:  invalid average %u\n", info->average);
+		return 0;
+	}
+
+	return 1;
+}
+
+static struct ipt_match ipt_rand_reg = { 
+	{NULL, NULL},
+	"random",
+	ipt_rand_match,
+	ipt_rand_checkentry,
+	NULL,
+	THIS_MODULE };
+
+static int __init init(void)
+{
+	if (ipt_register_match(&ipt_rand_reg))
+		return -EINVAL;
+
+	printk("ipt_random match loaded\n");
+	return 0;
+}
+
+static void __exit fini(void)
+{
+	ipt_unregister_match(&ipt_rand_reg);
+	printk("ipt_random match unloaded\n");
+}
+
+module_init(init);
+module_exit(fini);
