diff --git a/extensions/ebt_ulog.c b/extensions/ebt_ulog.c
new file mode 100644
index 0000000..4af42e2
--- /dev/null
+++ b/extensions/ebt_ulog.c
@@ -0,0 +1,184 @@
+#define __need_time_t
+#define __need_suseconds_t
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include "../include/ebtables_u.h"
+#include <sys/time.h>
+#include <linux/netfilter_bridge/ebt_ulog.h>
+
+#define CP_NO_LIMIT_S "default_cprange"
+#define CP_NO_LIMIT_N 0
+
+#define ULOG_PREFIX     '1'
+#define ULOG_NLGROUP    '2'
+#define ULOG_CPRANGE    '3'
+#define ULOG_QTHRESHOLD '4'
+#define ULOG_ULOG       '5'
+static struct option opts[] =
+{
+	{ "ulog-prefix"    , required_argument, 0, ULOG_PREFIX     },
+	{ "ulog-nlgroup"   , required_argument, 0, ULOG_NLGROUP    },
+	{ "ulog-cprange"   , required_argument, 0, ULOG_CPRANGE    },
+	{ "ulog-qthreshold", required_argument, 0, ULOG_QTHRESHOLD },
+	{ "ulog"           , no_argument      , 0, ULOG_ULOG       },
+	{ 0 }
+};
+
+static void print_help()
+{
+	printf(
+"ulog options:\n"
+"--ulog                : use the default ulog parameters\n"
+"--ulog-prefix prefix  : max %d characters (default is no prefix)\n"
+"--ulog-nlgroup group  : 0 < group number < %d (default = %d)\n"
+"--ulog-cprange range  : max copy range (default is " CP_NO_LIMIT_S ")\n"
+"--ulog-qthreshold     : 0 < queueing threshold < %d (default = %d)\n",
+	EBT_ULOG_PREFIX_LEN - 1, EBT_ULOG_MAXNLGROUPS + 1,
+	EBT_ULOG_DEFAULT_NLGROUP + 1, EBT_ULOG_MAX_QLEN + 1,
+	EBT_ULOG_DEFAULT_QTHRESHOLD);
+}
+
+static void init(struct ebt_entry_watcher *watcher)
+{
+	struct ebt_ulog_info *uloginfo = (struct ebt_ulog_info *)watcher->data;
+
+	uloginfo->prefix[0] = '\0';
+	uloginfo->nlgroup = EBT_ULOG_DEFAULT_NLGROUP;
+	uloginfo->cprange = CP_NO_LIMIT_N; /* Use default netlink buffer size */
+	uloginfo->qthreshold = EBT_ULOG_DEFAULT_QTHRESHOLD;
+}
+
+#define OPT_PREFIX     0x01
+#define OPT_NLGROUP    0x02
+#define OPT_CPRANGE    0x04
+#define OPT_QTHRESHOLD 0x08
+#define OPT_ULOG       0x10
+static int parse(int c, char **argv, int argc, const struct ebt_u_entry *entry,
+   unsigned int *flags, struct ebt_entry_watcher **watcher)
+{
+	struct ebt_ulog_info *uloginfo;
+	unsigned int i;
+	char *end;
+
+	uloginfo = (struct ebt_ulog_info *)(*watcher)->data;
+	switch (c) {
+	case ULOG_PREFIX:
+		if (ebt_check_inverse(optarg))
+			goto inverse_invalid;
+		ebt_check_option(flags, OPT_PREFIX);
+		if (strlen(optarg) > EBT_ULOG_PREFIX_LEN - 1)
+			ebt_print_error("Prefix too long for ulog-prefix");
+		strcpy(uloginfo->prefix, optarg);
+		break;
+
+	case ULOG_NLGROUP:
+		if (ebt_check_inverse(optarg))
+			goto inverse_invalid;
+		ebt_check_option(flags, OPT_NLGROUP);
+		i = strtoul(optarg, &end, 10);
+		if (*end != '\0')
+			ebt_print_error("Problem with ulog-nlgroup: %s", optarg);
+		if (i < 1 || i > EBT_ULOG_MAXNLGROUPS)
+			ebt_print_error("the ulog-nlgroup number must be "
+			                "between 1 and 32");
+		uloginfo->nlgroup = i - 1;
+		break;
+
+	case ULOG_CPRANGE:
+		if (ebt_check_inverse(optarg))
+			goto inverse_invalid;
+		ebt_check_option(flags, OPT_CPRANGE);
+		i = strtoul(optarg, &end, 10);
+		if (*end != '\0') {
+			if (strcasecmp(optarg, CP_NO_LIMIT_S))
+				ebt_print_error("Problem with ulog-cprange: "
+				                "%s", optarg);
+			i = CP_NO_LIMIT_N;
+		}
+		uloginfo->cprange = i;
+		break;
+
+	case ULOG_QTHRESHOLD:
+		if (ebt_check_inverse(optarg))
+			goto inverse_invalid;
+		ebt_check_option(flags, OPT_QTHRESHOLD);
+		i = strtoul(optarg, &end, 10);
+		if (*end != '\0')
+			ebt_print_error("Problem with ulog-qthreshold: %s",
+			                optarg);
+		if (i > EBT_ULOG_MAX_QLEN)
+			ebt_print_error("ulog-qthreshold argument %d exceeds "
+			                "the maximum of %d", i,
+			                EBT_ULOG_MAX_QLEN);
+		uloginfo->qthreshold = i;
+		break;
+	case ULOG_ULOG:
+		if (ebt_check_inverse(optarg))
+			goto inverse_invalid;
+		ebt_check_option(flags, OPT_ULOG);
+		break;
+
+	default:
+		return 0;
+	}
+	return 1;
+
+inverse_invalid:
+	ebt_print_error("The use of '!' makes no sense for the ulog watcher");
+	return 0;
+}
+
+static void final_check(const struct ebt_u_entry *entry,
+   const struct ebt_entry_watcher *watcher, const char *name,
+   unsigned int hookmask, unsigned int time)
+{
+	return;
+}
+
+static void print(const struct ebt_u_entry *entry,
+   const struct ebt_entry_watcher *watcher)
+{
+	struct ebt_ulog_info *uloginfo = (struct ebt_ulog_info *)watcher->data;
+
+	printf("--ulog-prefix \"%s\" --ulog-nlgroup %d --ulog-cprange ",
+	       uloginfo->prefix, uloginfo->nlgroup + 1);
+	if (uloginfo->cprange == CP_NO_LIMIT_N)
+		printf(CP_NO_LIMIT_S);
+	else
+		printf("%d", uloginfo->cprange);
+	printf(" --ulog-qthreshold %d ", uloginfo->qthreshold);
+}
+
+static int compare(const struct ebt_entry_watcher *w1,
+   const struct ebt_entry_watcher *w2)
+{
+	struct ebt_ulog_info *uloginfo1 = (struct ebt_ulog_info *)w1->data;
+	struct ebt_ulog_info *uloginfo2 = (struct ebt_ulog_info *)w2->data;
+
+	if (uloginfo1->nlgroup != uloginfo2->nlgroup ||
+	    uloginfo1->cprange != uloginfo2->cprange ||
+	    uloginfo1->qthreshold != uloginfo2->qthreshold ||
+	    strcmp(uloginfo1->prefix, uloginfo2->prefix))
+		return 0;
+	return 1;
+}
+
+static struct ebt_u_watcher ulog_watcher =
+{
+	.name		= EBT_ULOG_WATCHER,
+	.size		= sizeof(struct ebt_ulog_info),
+	.help		= print_help,
+	.init		= init,
+	.parse		= parse,
+	.final_check	= final_check,
+	.print		= print,
+	.compare	= compare,
+	.extra_ops	= opts,
+};
+
+void _init(void)
+{
+	ebt_register_watcher(&ulog_watcher);
+}