--- heartbeat/portblock.orig	2024-06-07 08:35:56.538587042 +0200
+++ heartbeat/portblock	2024-06-07 08:36:36.086905689 +0200
@@ -328,6 +328,8 @@ save_tcp_connections()
 tickle_remote()
 {
 	[ -z "$OCF_RESKEY_tickle_dir" ] && return
+	[ -f "/proc/sys/net/ipv4/tcp_tw_recycle" ] && echo 1 > /proc/sys/net/ipv4/tcp_tw_recycle
+	[ -f "/proc/sys/net/ipv4/tcp_tw_reuse" ] && echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse
 	f=$OCF_RESKEY_tickle_dir/$OCF_RESKEY_ip
 	[ -r $f ] || return
 	$TICKLETCP -n 3 < $f