2.3.1 - Disregard any incorrect keep-alives, credits to @Shevchik

all/pom.xml

@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

bukkit/pom.xml

@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

bungee/pom.xml

@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

core/pom.xml

@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_1to1_12_2/Protocol1_12_1To1_12_2.java

@@ -48,7 +48,7 @@ public class Protocol1_12_1To1_12_2 extends BackwardsProtocol {
                         int keepAlive = packetWrapper.read(Type.VAR_INT);
                         long realKeepAlive = packetWrapper.user().get(KeepAliveTracker.class).getKeepAlive();
                         if (keepAlive != (int) realKeepAlive) {
-                            realKeepAlive = 0L; // Client sent wrong data, timeout
+                            packetWrapper.cancel(); // Wrong data, cancel packet
                         }
                         packetWrapper.write(Type.LONG, realKeepAlive);
                     }

pom.xml

@@ -16,7 +16,7 @@
 
     <groupId>nl.matsv</groupId>
     <artifactId>viabackwards-parent</artifactId>
-    <version>2.3.0</version>
+    <version>2.3.1</version>
     <packaging>pom</packaging>
 
     <description>Allow newer clients to join older server versions.</description>

sponge/pom.xml

@@ -15,7 +15,7 @@
     <parent>
         <artifactId>viabackwards-parent</artifactId>
         <groupId>nl.matsv</groupId>
-        <version>2.3.0</version>
+        <version>2.3.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>