diff --git a/include/haproxy/quic_sock.h b/include/haproxy/quic_sock.h
index 5753ddf61..26a2efdc1 100644
--- a/include/haproxy/quic_sock.h
+++ b/include/haproxy/quic_sock.h
@@ -49,6 +49,7 @@ int qc_snd_buf(struct quic_conn *qc, const struct buffer *buf, size_t count,
                int flags, uint16_t gso_size);
 int qc_rcv_buf(struct quic_conn *qc);
 void quic_conn_sock_fd_iocb(int fd);
+void quic_conn_closed_sock_fd_iocb(int fd);
 
 void qc_alloc_fd(struct quic_conn *qc, const struct sockaddr_storage *src,
                  const struct sockaddr_storage *dst);
diff --git a/src/quic_conn.c b/src/quic_conn.c
index 2a82484d7..249f7a616 100644
--- a/src/quic_conn.c
+++ b/src/quic_conn.c
@@ -683,6 +683,9 @@ static void quic_release_cc_conn(struct quic_conn_closed *cc_qc)
 
 	TRACE_ENTER(QUIC_EV_CONN_IO_CB, cc_qc);
 
+	if (qc_is_back(qc))
+		qc_release_fd(qc, 0);
+
 	task_destroy(cc_qc->idle_timer_task);
 	cc_qc->idle_timer_task = NULL;
 	tasklet_free(qc->wait_event.tasklet);
@@ -763,10 +766,14 @@ static struct quic_conn_closed *qc_new_cc_conn(struct quic_conn *qc)
 
 	quic_conn_mv_cids_to_cc_conn(cc_qc, qc);
 
-	if (qc_is_back(qc))
+	if (qc_is_back(qc)) {
 		cc_qc->fd = qc->fd;
-	else
+		fdtab[cc_qc->fd].iocb = quic_conn_closed_sock_fd_iocb;
+		fdtab[cc_qc->fd].owner = cc_qc;
+	}
+	else {
 		qc_init_fd((struct quic_conn *)cc_qc);
+	}
 
 	cc_qc->flags = qc->flags;
 	cc_qc->err = qc->err;
@@ -1557,8 +1564,14 @@ int quic_conn_release(struct quic_conn *qc)
 	if (!qc_is_back(qc) && qc_test_fd(qc))
 		_HA_ATOMIC_DEC(&jobs);
 
-	/* Close quic-conn socket fd. */
-	qc_release_fd(qc, 0);
+	/* Close quic-conn socket FD on the frontend side. Remaining exchanges
+	 * will be multiplexed on the listener socket. On backend side the FD
+	 * is reinitialized to cc_qc instance via qc_new_cc_conn().
+	 */
+	if (!qc_is_back(qc) || !cc_qc) {
+		/* Close quic-conn socket fd. */
+		qc_release_fd(qc, 0);
+	}
 
 	/* in the unlikely (but possible) case the connection was just added to
 	 * the accept_list we must delete it from there.
diff --git a/src/quic_sock.c b/src/quic_sock.c
index 6ec8e520f..e10dd6923 100644
--- a/src/quic_sock.c
+++ b/src/quic_sock.c
@@ -580,6 +580,28 @@ void quic_conn_sock_fd_iocb(int fd)
 	TRACE_LEAVE(QUIC_EV_CONN_RCV, qc);
 }
 
+/* quic_conn_closed FD handler (only used on backend side) */
+void quic_conn_closed_sock_fd_iocb(int fd)
+{
+	struct quic_conn_closed *cc_qc = fdtab[fd].owner;
+
+	TRACE_ENTER(QUIC_EV_CONN_RCV, cc_qc);
+
+	if (fd_send_active(fd) && fd_send_ready(fd)) {
+		TRACE_DEVEL("send ready", QUIC_EV_CONN_RCV, cc_qc);
+		fd_stop_send(fd);
+		tasklet_wakeup_after(NULL, cc_qc->wait_event.tasklet);
+	}
+
+	if (fd_recv_ready(fd)) {
+		TRACE_DEVEL("recv ready", QUIC_EV_CONN_RCV, cc_qc);
+		tasklet_wakeup_after(NULL, cc_qc->wait_event.tasklet);
+		fd_stop_recv(fd);
+	}
+
+	TRACE_LEAVE(QUIC_EV_CONN_RCV, cc_qc);
+}
+
 static void cmsg_set_saddr(struct msghdr *msg, struct cmsghdr **cmsg,
                            struct sockaddr_storage *saddr)
 {