diff --git a/include/proto/protocols.h b/include/proto/protocols.h
index 354a4e9..05567ea 100644
--- a/include/proto/protocols.h
+++ b/include/proto/protocols.h
@@ -71,6 +71,14 @@
  */
 int disable_all_listeners(struct protocol *proto);
 
+/* Marks a ready listener as limited so that we only try to re-enable it when
+ * resources are free again. It will be queued into the specified queue.
+ */
+void limit_listener(struct listener *l, struct list *list);
+
+/* Dequeues all of the listeners waiting for a resource in wait queue <queue>. */
+void dequeue_all_listeners(struct list *list);
+
 /* This function closes the listening socket for the specified listener,
  * provided that it's already in a listening state. The listener enters the
  * LI_ASSIGNED state. It always returns ERR_NONE. This function is intended
diff --git a/include/types/protocols.h b/include/types/protocols.h
index a333ea2..80c1a6e 100644
--- a/include/types/protocols.h
+++ b/include/types/protocols.h
@@ -46,6 +46,7 @@
 	LI_LISTEN,      /* started, listening but not enabled */
 	LI_READY,       /* started, listening and enabled */
 	LI_FULL,        /* reached its connection limit */
+	LI_LIMITED,     /* transient state: limits have been reached, listener is queued */
 };
 
 /* Listener transitions
@@ -67,6 +68,11 @@
  *   +-----------------
  *            disable()
  *
+ * The LIMITED state my be used when a limit has been detected just before
+ * using a listener. In this case, the listener MUST be queued into the
+ * appropriate wait queue (either the proxy's or the global one). It may be
+ * set back to the READY state at any instant and for any reason, so one must
+ * not rely on this state.
  */
 
 /* listener socket options */
@@ -101,6 +107,7 @@
 	struct task * (*handler)(struct task *t); /* protocol handler. It is a task */
 	int  *timeout;                  /* pointer to client-side timeout */
 	struct proxy *frontend;		/* the frontend this listener belongs to, or NULL */
+	struct list wait_queue;		/* link element to make the listener wait for something (LI_LIMITED)  */
 	unsigned int analysers;		/* bitmap of required protocol analysers */
 	int nice;			/* nice value to assign to the instanciated tasks */
 	union {				/* protocol-dependant access restrictions */
diff --git a/src/protocols.c b/src/protocols.c
index 7d8913d..46c41f6 100644
--- a/src/protocols.c
+++ b/src/protocols.c
@@ -50,6 +50,8 @@
 		return;
 	if (listener->state == LI_READY)
 		EV_FD_CLR(listener->fd, DIR_RD);
+	if (listener->state == LI_LIMITED)
+		LIST_DEL(&listener->wait_queue);
 	listener->state = LI_LISTEN;
 }
 
@@ -74,15 +76,18 @@
 	if (shutdown(l->fd, SHUT_RD) != 0)
 		return 0; /* should always be OK */
 
+	if (l->state == LI_LIMITED)
+		LIST_DEL(&l->wait_queue);
+
 	EV_FD_CLR(l->fd, DIR_RD);
 	l->state = LI_PAUSED;
 	return 1;
 }
 
-/* This function tries to resume a temporarily disabled listener. Paused, full
- * and disabled listeners are handled, which means that this function may
- * replace enable_listener(). The resulting state will either be LI_READY or
- * LI_FULL. 0 is returned in case of failure to resume (eg: dead socket).
+/* This function tries to resume a temporarily disabled listener. Paused, full,
+ * limited and disabled listeners are handled, which means that this function
+ * may replace enable_listener(). The resulting state will either be LI_READY
+ * or LI_FULL. 0 is returned in case of failure to resume (eg: dead socket).
  */
 int resume_listener(struct listener *l)
 {
@@ -96,6 +101,9 @@
 	if (l->state == LI_READY)
 		return 1;
 
+	if (l->state == LI_LIMITED)
+		LIST_DEL(&l->wait_queue);
+
 	if (l->nbconn >= l->maxconn) {
 		l->state = LI_FULL;
 		return 1;
@@ -112,11 +120,26 @@
 void listener_full(struct listener *l)
 {
 	if (l->state >= LI_READY) {
+		if (l->state == LI_LIMITED)
+			LIST_DEL(&l->wait_queue);
+
 		EV_FD_CLR(l->fd, DIR_RD);
 		l->state = LI_FULL;
 	}
 }
 
+/* Marks a ready listener as limited so that we only try to re-enable it when
+ * resources are free again. It will be queued into the specified queue.
+ */
+void limit_listener(struct listener *l, struct list *list)
+{
+	if (l->state == LI_READY) {
+		LIST_ADDQ(list, &l->wait_queue);
+		EV_FD_CLR(l->fd, DIR_RD);
+		l->state = LI_LIMITED;
+	}
+}
+
 /* This function adds all of the protocol's listener's file descriptors to the
  * polling lists when they are in the LI_LISTEN state. It is intended to be
  * used as a protocol's generic enable_all() primitive, for use after the
@@ -146,6 +169,20 @@
 	return ERR_NONE;
 }
 
+/* Dequeues all of the listeners waiting for a resource in wait queue <queue>. */
+void dequeue_all_listeners(struct list *list)
+{
+	struct listener *listener, *l_back;
+
+	list_for_each_entry_safe(listener, l_back, list, wait_queue) {
+		/* This cannot fail because the listeners are by definition in
+		 * the LI_LIMITED state. The function also removes the entry
+		 * from the queue.
+		 */
+		resume_listener(listener);
+	}
+}
+
 /* This function closes the listening socket for the specified listener,
  * provided that it's already in a listening state. The listener enters the
  * LI_ASSIGNED state. It always returns ERR_NONE. This function is intended
@@ -156,6 +193,9 @@
 	if (listener->state == LI_READY)
 		EV_FD_CLR(listener->fd, DIR_RD);
 
+	if (listener->state == LI_LIMITED)
+		LIST_DEL(&listener->wait_queue);
+
 	if (listener->state >= LI_PAUSED) {
 		fd_delete(listener->fd);
 		listener->state = LI_ASSIGNED;