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path: root/Spigot-Server-Patches/0157-Configurable-packet-in-spam-threshold.patch
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From 75d4c57a672aeb08a882dd8335152afdaa3a5eaf Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sun, 11 Sep 2016 14:30:57 -0500
Subject: [PATCH] Configurable packet in spam threshold


diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index d1d50f0db..2f17b9013 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -239,4 +239,13 @@ public class PaperConfig {
     private static void bungeeOnlineMode() {
         bungeeOnlineMode = getBoolean("settings.bungee-online-mode", true);
     }
+    
+    public static int packetInSpamThreshold = 300;
+    private static void packetInSpamThreshold() {
+        if (version < 11) {
+            int oldValue = getInt("settings.play-in-use-item-spam-threshold", 300);
+            set("settings.incoming-packet-spam-threshold", oldValue);
+        }
+        packetInSpamThreshold = getInt("settings.incoming-packet-spam-threshold", 300);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 060434f32..6281fe4d5 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -871,13 +871,14 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
     // Spigot start - limit place/interactions
     private int limitedPackets;
     private long lastLimitedPacket = -1;
+    private static final int THRESHOLD = com.destroystokyo.paper.PaperConfig.packetInSpamThreshold; // Paper - Configurable threshold
 
     private boolean checkLimit(long timestamp) {
-        if (lastLimitedPacket != -1 && timestamp - lastLimitedPacket < 30 && limitedPackets++ >= 4) {
+        if (lastLimitedPacket != -1 && timestamp - lastLimitedPacket < THRESHOLD && limitedPackets++ >= 8) { // Paper - Use threshold, raise packet limit to 8
             return false;
         }
 
-        if (lastLimitedPacket == -1 || timestamp - lastLimitedPacket >= 30) {
+        if (lastLimitedPacket == -1 || timestamp - lastLimitedPacket >= THRESHOLD) { // Paper
             lastLimitedPacket = timestamp;
             limitedPackets = 0;
             return true;
-- 
2.12.2.windows.2