fix monitor script: use INPUT chain for input rule

diff --git a/hook_monitor_pid b/hook_monitor_pid
index da958c9..b60d1fc 100755 (executable)
--- a/hook_monitor_pid
+++ b/hook_monitor_pid
@@ -72,7 +72,7 @@ sudo iptables -t filter -N udp_out
 sudo iptables -t filter -N udp_in
 sudo iptables -t filter -A OUTPUT -p udp -o eth0 -j udp_out
 sudo iptables -t filter -A udp_out -j ACCEPT
-sudo iptables -t filter -A OUTPUT -p udp -i eth0 -j udp_in
+sudo iptables -t filter -A INPUT -p udp -i eth0 -j udp_in
 sudo iptables -t filter -A udp_in -j ACCEPT
 
 timer_callback &