fix: remove input and output rules, let only forward

limitator

@@ -23,8 +23,6 @@ config_get USED_BYTES_FILE limitator used_bytes_file '/root/limitator/used_bytes
 config_get LOG_FILE limitator log_file '/root/limitator/log' # A persistent file to log.
 config_get IPTABLES_CHAIN limitator iptables_chain 'LIMITATOR' # Name of iptables chain.
 config_get IPTABLES_FORWARD limitator iptables_forward 'forwarding_rule' # Name of iptables rule for forward.
-config_get IPTABLES_INPUT limitator iptables_input 'input_rule' # Name of iptables rule for input.
-config_get IPTABLES_OUTPUT limitator iptables_output 'output_rule' # Name of iptables rule for output.
 
 get_saved_used_bytes(){
     local used_bytes
@@ -116,13 +114,10 @@ reset_quota(){
 
 del_iptables_rule(){
     iptables --wait -F $IPTABLES_CHAIN
-    for chain_name in $IPTABLES_FORWARD $IPTABLES_INPUT $IPTABLES_OUTPUT
-    do
     while true
     do
-            line=$(iptables --wait -L $chain_name|sed -e '1,2d'|grep -n $IPTABLES_CHAIN|head -1|cut -d : -f 1 2>/dev/null)
-            [ -n "$(echo $line|grep -E ^[[:digit:]]+$)" ] && iptables --wait -D $chain_name $line || break
-        done
+        line=$(iptables --wait -L $IPTABLES_FORWARD|sed -e '1,2d'|grep -n $IPTABLES_CHAIN|head -1|cut -d : -f 1 2>/dev/null)
+        [ -n "$(echo $line|grep -E ^[[:digit:]]+$)" ] && iptables --wait -D $IPTABLES_FORWARD $line || break
     done
     iptables --wait -D $IPTABLES_FORWARD 1
     iptables --wait -X $IPTABLES_CHAIN
@@ -152,8 +147,6 @@ set_iptables_rule(){
     
     iptables --wait -I $IPTABLES_FORWARD 1 -d $INTRANET -s $INTRANET -j ACCEPT
     iptables -I $IPTABLES_FORWARD 2 -j $IPTABLES_CHAIN
-    iptables -I $IPTABLES_INPUT -i $WAN_DEV ! -s $INTRANET -j $IPTABLES_CHAIN
-    iptables -I $IPTABLES_OUTPUT -o $WAN_DEV ! -d $INTRANET -j $IPTABLES_CHAIN
 }
 
 check_time_is_valid(){