From 2471de100be3f229bfa415ec887e48a29002d2b2 Mon Sep 17 00:00:00 2001
From: Kas-tle <26531652+Kas-tle@users.noreply.github.com>
Date: Wed, 24 Apr 2024 06:56:15 -0700
Subject: [PATCH] Add system property Geyser.RakSendCookie to allow disabling
 cookie send (#4598)

---
 .../java/org/geysermc/geyser/network/netty/GeyserServer.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java b/core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java
index 652901f36..a67bd8a32 100644
--- a/core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java
+++ b/core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java
@@ -228,6 +228,9 @@ public final class GeyserServer {
         int rakGlobalPacketLimit = positivePropOrDefault("Geyser.RakGlobalPacketLimit", DEFAULT_GLOBAL_PACKET_LIMIT);
         this.geyser.getLogger().debug("Setting RakNet global packet limit to " + rakGlobalPacketLimit);
 
+        boolean rakSendCookie = Boolean.parseBoolean(System.getProperty("Geyser.RakSendCookie", "true"));
+        this.geyser.getLogger().debug("Setting RakNet send cookie to " + rakSendCookie);
+
         return new ServerBootstrap()
                 .channelFactory(RakChannelFactory.server(TRANSPORT.datagramChannel()))
                 .group(group, childGroup)
@@ -235,7 +238,7 @@ public final class GeyserServer {
                 .option(RakChannelOption.RAK_MAX_MTU, this.geyser.getConfig().getMtu())
                 .option(RakChannelOption.RAK_PACKET_LIMIT, rakPacketLimit)
                 .option(RakChannelOption.RAK_GLOBAL_PACKET_LIMIT, rakGlobalPacketLimit)
-                .option(RakChannelOption.RAK_SEND_COOKIE, true)
+                .option(RakChannelOption.RAK_SEND_COOKIE, rakSendCookie)
                 .childHandler(serverInitializer);
     }