diff -ru linux-2.4.26-pre1.orig/include/net/ip_vs.h linux-2.4.26-pre1/include/net/ip_vs.h
--- linux-2.4.26-pre1.orig/include/net/ip_vs.h	2003-11-29 03:26:21.000000000 +0900
+++ linux-2.4.26-pre1/include/net/ip_vs.h	2004-03-01 15:27:19.000000000 +0900
@@ -19,6 +19,9 @@
  */
 #define IP_VS_SVC_F_PERSISTENT        0x0001    /* persistent port */
 #define IP_VS_SVC_F_HASHED            0x0002    /* hashed entry */
+#define IP_VS_SVC_F_UNCONN_UDP        0x1000    /* connectionless udp, also
+						 * IP_VS_CONN_F_UNCONN_UDP */
+
 
 /*
  *      Destination Server Flags
@@ -82,6 +85,8 @@
 #define IP_VS_CONN_F_IN_SEQ           0x0400    /* must do input seq adjust */
 #define IP_VS_CONN_F_SEQ_MASK         0x0600    /* in/out sequence mask */
 #define IP_VS_CONN_F_NO_CPORT         0x0800    /* no client port set yet */
+#define IP_VS_CONN_F_UNCONN_UDP       IP_VS_SVC_F_UNCONN_UDP /* 0x1000 */
+						/* connectionless udp */
 
 /* Move it to better place one day, for now keep it unique */
 #define NFC_IPVS_PROPERTY	0x10000
@@ -317,6 +322,7 @@
 	NET_IPV4_VS_EXPIRE_NODEST_CONN=23,
 	NET_IPV4_VS_SYNC_THRESHOLD=24,
 	NET_IPV4_VS_NAT_ICMP_SEND=25,
+	NET_IPV4_VS_TO_UDP_UNCONN=26,
 	NET_IPV4_VS_LAST
 };
 
@@ -338,6 +344,7 @@
 	IP_VS_S_SYNACK,
 	IP_VS_S_UDP,
 	IP_VS_S_ICMP,
+	IP_VS_S_UDP_UNCONN,
 	IP_VS_S_LAST
 };
 
diff -ru linux-2.4.26-pre1.orig/net/ipv4/ipvs/ip_vs_conn.c linux-2.4.26-pre1/net/ipv4/ipvs/ip_vs_conn.c
--- linux-2.4.26-pre1.orig/net/ipv4/ipvs/ip_vs_conn.c	2003-11-29 03:26:21.000000000 +0900
+++ linux-2.4.26-pre1/net/ipv4/ipvs/ip_vs_conn.c	2004-03-01 15:27:19.000000000 +0900
@@ -322,6 +322,7 @@
 		[IP_VS_S_SYNACK]	=	120*HZ,
 		[IP_VS_S_UDP]		=	5*60*HZ,
 		[IP_VS_S_ICMP]          =	1*60*HZ,
+		[IP_VS_S_UDP_UNCONN]    =	0,
 		[IP_VS_S_LAST]          =	2*HZ,
 	},	/* timeout */
 };
@@ -344,6 +345,7 @@
 		[IP_VS_S_SYNACK]	=	100*HZ,
 		[IP_VS_S_UDP]		=	3*60*HZ,
 		[IP_VS_S_ICMP]          =	1*60*HZ,
+		[IP_VS_S_UDP_UNCONN]    =	0,
 		[IP_VS_S_LAST]          =	2*HZ,
 	},	/* timeout */
 };
@@ -371,6 +373,7 @@
 	[IP_VS_S_SYNACK]	=	"SYNACK",
 	[IP_VS_S_UDP]		=	"UDP",
 	[IP_VS_S_ICMP]          =	"ICMP",
+	[IP_VS_S_UDP_UNCONN]    =	"UDP_UNCONN",
 	[IP_VS_S_LAST]          =	"BUG!",
 };
 
@@ -574,7 +577,10 @@
 		ret = vs_tcp_state(cp, state_off, tp);
 		break;
 	case IPPROTO_UDP:
-		ret = vs_set_state_timeout(cp, IP_VS_S_UDP);
+		if (unlikely(cp->flags & IP_VS_SVC_F_UNCONN_UDP))
+			ret = vs_set_state_timeout(cp, IP_VS_S_UDP_UNCONN);
+		else
+			ret = vs_set_state_timeout(cp, IP_VS_S_UDP);
 		break;
 	case IPPROTO_ICMP:
 		ret = vs_set_state_timeout(cp, IP_VS_S_ICMP);
diff -ru linux-2.4.26-pre1.orig/net/ipv4/ipvs/ip_vs_core.c linux-2.4.26-pre1/net/ipv4/ipvs/ip_vs_core.c
--- linux-2.4.26-pre1.orig/net/ipv4/ipvs/ip_vs_core.c	2003-11-29 03:26:21.000000000 +0900
+++ linux-2.4.26-pre1/net/ipv4/ipvs/ip_vs_core.c	2004-03-01 15:27:19.000000000 +0900
@@ -297,7 +297,7 @@
 			    iph->saddr, portp[0],
 			    iph->daddr, portp[1],
 			    dest->addr, dport,
-			    0,
+			    svc->flags & IP_VS_SVC_F_UNCONN_UDP,
 			    dest);
 	if (cp == NULL) {
 		ip_vs_conn_put(ct);
@@ -364,7 +364,7 @@
 			    iph->saddr, portp[0],
 			    iph->daddr, portp[1],
 			    dest->addr, dest->port?dest->port:portp[1],
-			    0,
+			    svc->flags & IP_VS_SVC_F_UNCONN_UDP,
 			    dest);
 	if (cp == NULL)
 		return NULL;
diff -ru linux-2.4.26-pre1.orig/net/ipv4/ipvs/ip_vs_ctl.c linux-2.4.26-pre1/net/ipv4/ipvs/ip_vs_ctl.c
--- linux-2.4.26-pre1.orig/net/ipv4/ipvs/ip_vs_ctl.c	2003-11-29 03:26:21.000000000 +0900
+++ linux-2.4.26-pre1/net/ipv4/ipvs/ip_vs_ctl.c	2004-03-01 15:29:58.000000000 +0900
@@ -1424,6 +1424,9 @@
 	 {NET_IPV4_VS_TO_ICMP, "timeout_icmp",
 	  &vs_timeout_table_dos.timeout[IP_VS_S_ICMP],
 	  sizeof(int), 0644, NULL, &proc_dointvec_jiffies},
+	 {NET_IPV4_VS_TO_UDP_UNCONN, "timeout_udp_unconn",
+	  &vs_timeout_table_dos.timeout[IP_VS_S_UDP_UNCONN],
+	  sizeof(int), 0644, NULL, &proc_dointvec_jiffies},
 	 {NET_IPV4_VS_CACHE_BYPASS, "cache_bypass",
 	  &sysctl_ip_vs_cache_bypass, sizeof(int), 0644, NULL,
 	  &proc_dointvec},
@@ -1507,17 +1510,19 @@
 			pos += 64;
 			if (pos > offset) {
 				if (svc->flags & IP_VS_SVC_F_PERSISTENT)
-					sprintf(temp2, "persistent %d %08X",
+					sprintf(temp2, "persitent %d %08X",
 						svc->timeout,
 						ntohl(svc->netmask));
 				else
 					temp2[0] = '\0';
 
-				sprintf(temp, "%s  %08X:%04X %s %s",
+				sprintf(temp, "%s  %08X:%04X %s %s %s",
 					ip_vs_proto_name(svc->protocol),
 					ntohl(svc->addr),
 					ntohs(svc->port),
-					svc->scheduler->name, temp2);
+					svc->scheduler->name, temp2,
+					svc->flags & IP_VS_SVC_F_UNCONN_UDP ?
+					"unconn_udp" : "");
 				len += sprintf(buf+len, "%-63s\n", temp);
 				if (len >= length)
 					goto done;
@@ -1558,9 +1563,11 @@
 				else
 					temp2[0] = '\0';
 
-				sprintf(temp, "FWM  %08X %s %s",
+				sprintf(temp, "FWM  %08X %s %s %s",
 					svc->fwmark,
-					svc->scheduler->name, temp2);
+					svc->scheduler->name, temp2,
+					svc->flags & IP_VS_SVC_F_UNCONN_UDP ?
+				   	"unconn_udp" : "");
 				len += sprintf(buf+len, "%-63s\n", temp);
 				if (len >= length)
 					goto done;
@@ -1748,6 +1755,19 @@
 	}
 
 	/*
+	 * IP_VS_SVC_F_UNCONN_UDP is not valid for a IPPROTO_TCP service
+	 */
+	if (urule->protocol==IPPROTO_TCP && 
+			urule->vs_flags&IP_VS_SVC_F_UNCONN_UDP) {
+		IP_VS_INFO("vs_ctl: IP_VS_SVC_F_UNCONN_UDP used with "
+				"IPPROTO_TCP: %d %d.%d.%d.%d:%d %s\n",
+			   urule->protocol, NIPQUAD(urule->vaddr),
+			   ntohs(urule->vport), urule->sched_name);
+		ret = -EFAULT;
+		goto out_unlock;
+	}
+
+	/*
 	 * Lookup the exact service by <protocol, vaddr, vport> or fwmark
 	 */
 	if (urule->vfwmark == 0)