diff --git a/limitator b/limitator
index 765fab1..f21106c 100644
--- a/limitator
+++ b/limitator
@@ -18,6 +18,7 @@ config_get INTRANET limitator intranet '10.0.0.0/8' # Traffic in Intranet does n
 config_get EXCLUDE_NETWORK limitator exclude_network # Traffic originated in specified network does not count for quota.
 config_get EXCLUDE_NETWORK2 limitator exclude_network2 # Traffic originated in specified network does not count for quota.
 config_get EXCLUDE_NETWORK3 limitator exclude_network3 # Traffic originated in specified network does not count for quota.
+config_get EXCLUDE_NETWORK4 limitator exclude_network4 # Traffic originated in specified network does not count for quota.
 config_get USED_BYTES_FILE limitator used_bytes_file '/root/limitator/used_bytes' # A persistent file to save used bytes value.
 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.
@@ -39,7 +40,11 @@ get_iptables_quota_rule_num(){
     if [ -n "$EXCLUDE_NETWORK" ];then
         if [ -n "$EXCLUDE_NETWORK2" ];then
             if [ -n "$EXCLUDE_NETWORK3" ];then
-                echo -n 7
+                if [ -n "$EXCLUDE_NETWORK4" ];then
+                    echo -n 9
+                else
+                    echo -n 7
+                fi
             else
                 echo -n 5
             fi
@@ -137,6 +142,10 @@ set_iptables_rule(){
         iptables --wait -I $IPTABLES_CHAIN 5 -s $EXCLUDE_NETWORK3 -j ACCEPT
         iptables --wait -I $IPTABLES_CHAIN 6 -d $EXCLUDE_NETWORK3 -j ACCEPT
     fi
+    if [ -n "$EXCLUDE_NETWORK4" ];then
+        iptables --wait -I $IPTABLES_CHAIN 7 -s $EXCLUDE_NETWORK4 -j ACCEPT
+        iptables --wait -I $IPTABLES_CHAIN 8 -d $EXCLUDE_NETWORK4 -j ACCEPT
+    fi
     iptables --wait -I $IPTABLES_CHAIN $(get_iptables_quota_rule_num) -c 0 $(get_saved_used_bytes) -m quota --quota $(get_remaining_quota) -j ACCEPT 2>> $LOG_FILE
     iptables --wait -I $IPTABLES_CHAIN $(($(get_iptables_quota_rule_num) + 1)) -j REJECT 2>> $LOG_FILE