diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8b2c76d..bcd3c01 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,6 +14,7 @@ build:
   script:
     - gradle clean :free:shadowJar
   artifacts:
+    untracked: true
     paths:
       - free/build/libs
 
diff --git a/api/src/main/java/us/ajg0702/queue/api/AjQueueAPI.java b/api/src/main/java/us/ajg0702/queue/api/AjQueueAPI.java
index 9ae7d58..ce7fc5f 100644
--- a/api/src/main/java/us/ajg0702/queue/api/AjQueueAPI.java
+++ b/api/src/main/java/us/ajg0702/queue/api/AjQueueAPI.java
@@ -95,6 +95,13 @@ public abstract class AjQueueAPI {
      */
     public abstract LogicGetter getLogicGetter();
 
+    /**
+     * Gets the protocol name manager
+     * Used to get version names from protocol versions
+     * @return The ProtocolNameManager
+     */
+    public abstract ProtocolNameManager getProtocolNameManager();
+
     /**
      * Tells ajQueue to shut down.
      */
diff --git a/api/src/main/java/us/ajg0702/queue/api/PlatformMethods.java b/api/src/main/java/us/ajg0702/queue/api/PlatformMethods.java
index 14bfcc4..367c8a1 100644
--- a/api/src/main/java/us/ajg0702/queue/api/PlatformMethods.java
+++ b/api/src/main/java/us/ajg0702/queue/api/PlatformMethods.java
@@ -6,6 +6,7 @@ import us.ajg0702.queue.api.players.AdaptedPlayer;
 import us.ajg0702.queue.api.server.AdaptedServer;
 
 import java.util.List;
+import java.util.UUID;
 
 public interface PlatformMethods {
 
@@ -15,7 +16,6 @@ public interface PlatformMethods {
      * @param channel The (sub)channel
      * @param data The data
      */
-    @SuppressWarnings("EmptyMethod")
     void sendPluginMessage(AdaptedPlayer player, String channel, String... data);
 
     /**
@@ -27,12 +27,34 @@ public interface PlatformMethods {
 
     String getPluginVersion();
 
+    @SuppressWarnings("unused")
     List<AdaptedPlayer> getOnlinePlayers();
     List<String> getPlayerNames(boolean lowercase);
+
+    /**
+     * Gets an online player by their name
+     * @param name The players name
+     * @return The AdaptedPlayer for this player
+     */
     AdaptedPlayer getPlayer(String name);
 
+    /**
+     * Gets an online player by their UUID
+     * @param uuid their UUID
+     * @return the AdaptedPlayer for this player
+     */
+    AdaptedPlayer getPlayer(UUID uuid);
+
+    /**
+     * Gets a list of the server names
+     * @return A list of the server names
+     */
     List<String> getServerNames();
 
+    /**
+     * Gets the name of the implementation. E.g. bungeecord, velocity
+     * @return the name of the implementation
+     */
     String getImplementationName();
 
     List<IBaseCommand> getCommands();
@@ -44,7 +66,14 @@ public interface PlatformMethods {
      */
     boolean hasPlugin(String pluginName);
 
+    /**
+     * Gets an AdaptedServer from the server name
+     * @param name The name of the server
+     * @return The AdaptedServer
+     */
     AdaptedServer getServer(String name);
 
     List<AdaptedServer> getServers();
+
+    String getProtocolName(int protocol);
 }
diff --git a/api/src/main/java/us/ajg0702/queue/api/ProtocolNameManager.java b/api/src/main/java/us/ajg0702/queue/api/ProtocolNameManager.java
new file mode 100644
index 0000000..5806460
--- /dev/null
+++ b/api/src/main/java/us/ajg0702/queue/api/ProtocolNameManager.java
@@ -0,0 +1,8 @@
+package us.ajg0702.queue.api;
+
+import java.util.HashMap;
+
+public interface ProtocolNameManager {
+    String getProtocolName(int protocol);
+    HashMap<Integer, String> getProtocolNames();
+}
diff --git a/api/src/main/java/us/ajg0702/queue/api/players/AdaptedPlayer.java b/api/src/main/java/us/ajg0702/queue/api/players/AdaptedPlayer.java
index 7e725e4..2f63a0d 100644
--- a/api/src/main/java/us/ajg0702/queue/api/players/AdaptedPlayer.java
+++ b/api/src/main/java/us/ajg0702/queue/api/players/AdaptedPlayer.java
@@ -66,6 +66,12 @@ public interface AdaptedPlayer extends Handle, Audience {
      */
     void connect(AdaptedServer server);
 
+    /**
+     * Returns the version this player is running.
+     * @return the version
+     */
+    int getProtocolVersion();
+
     /**
      * Gets the player's username
      * @return the player's username
diff --git a/api/src/main/java/us/ajg0702/queue/api/queues/QueueServer.java b/api/src/main/java/us/ajg0702/queue/api/queues/QueueServer.java
index be6fc20..d860358 100644
--- a/api/src/main/java/us/ajg0702/queue/api/queues/QueueServer.java
+++ b/api/src/main/java/us/ajg0702/queue/api/queues/QueueServer.java
@@ -218,6 +218,20 @@ public interface QueueServer {
      */
     HashMap<AdaptedServer, AdaptedServerPing> getLastPings();
 
+    /**
+     * Gets the protocol versions this queue supports.
+     * A blank list means all protocols are supported.
+     * @return The protocol versions this queue supports
+     */
+    List<Integer> getSupportedProtocols();
+
+    /**
+     * Sets the protocols that are supported
+     * A blank list means all protocols are supported.
+     * @param list the list of protocols that are supported
+     */
+    void setSupportedProtocols(List<Integer> list);
+
 
     /**
      * elliot is bad
diff --git a/build.gradle.kts b/build.gradle.kts
index 99e913c..06cabdd 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,7 +12,7 @@ repositories {
 }
 
 allprojects {
-    version = "2.0.4"
+    version = "2.0.5"
     group = "us.ajg0702"
 
     plugins.apply("java")
diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index 511b94d..9a812b2 100644
--- a/common/build.gradle.kts
+++ b/common/build.gradle.kts
@@ -12,6 +12,8 @@ repositories {
 }
 
 dependencies {
+    testImplementation("junit:junit:4.12")
+
     compileOnly("net.kyori:adventure-api:4.8.1")
     compileOnly("net.kyori:adventure-text-serializer-plain:4.0.0-SNAPSHOT")
 
diff --git a/common/src/main/java/us/ajg0702/queue/common/ProtocolNameManagerImpl.java b/common/src/main/java/us/ajg0702/queue/common/ProtocolNameManagerImpl.java
new file mode 100644
index 0000000..9f03e3c
--- /dev/null
+++ b/common/src/main/java/us/ajg0702/queue/common/ProtocolNameManagerImpl.java
@@ -0,0 +1,44 @@
+package us.ajg0702.queue.common;
+
+import us.ajg0702.queue.api.PlatformMethods;
+import us.ajg0702.queue.api.ProtocolNameManager;
+import us.ajg0702.utils.common.Config;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class ProtocolNameManagerImpl implements ProtocolNameManager {
+
+    private final Config config;
+    private final PlatformMethods platformMethods;
+    public ProtocolNameManagerImpl(Config config, PlatformMethods platformMethods) {
+        this.config = config;
+        this.platformMethods = platformMethods;
+    }
+
+    @Override
+    public String getProtocolName(int protocol) {
+        return getProtocolNames().getOrDefault(protocol, platformMethods.getProtocolName(protocol));
+    }
+
+    @Override
+    public HashMap<Integer, String> getProtocolNames() {
+        List<String> raw = config.getStringList("protocol-names");
+        HashMap<Integer, String> result = new HashMap<>();
+        for(String protocolRaw : raw) {
+            String[] parts = protocolRaw.split(":");
+            if(parts.length < 2) continue;
+            String versionRaw = parts[0];
+            String versionString = parts[1];
+            int version;
+            try {
+                version = Integer.parseInt(versionRaw);
+            } catch(NumberFormatException e) {
+                continue;
+            }
+
+            result.put(version, versionString);
+        }
+        return result;
+    }
+}
diff --git a/common/src/main/java/us/ajg0702/queue/common/QueueMain.java b/common/src/main/java/us/ajg0702/queue/common/QueueMain.java
index 07d2bc0..092ba4e 100644
--- a/common/src/main/java/us/ajg0702/queue/common/QueueMain.java
+++ b/common/src/main/java/us/ajg0702/queue/common/QueueMain.java
@@ -94,6 +94,12 @@ public class QueueMain extends AjQueueAPI {
         return logicGetter;
     }
 
+    private ProtocolNameManager protocolNameManager;
+    @Override
+    public ProtocolNameManager getProtocolNameManager() {
+        return protocolNameManager;
+    }
+
     @Override
     public void shutdown() {
         taskManager.shutdown();
@@ -140,6 +146,8 @@ public class QueueMain extends AjQueueAPI {
         logic = logicGetter.constructLogic();
         aliasManager = logicGetter.constructAliasManager(config);
 
+        protocolNameManager = new ProtocolNameManagerImpl(config, platformMethods);
+
         taskManager.rescheduleTasks();
 
     }
@@ -168,6 +176,9 @@ public class QueueMain extends AjQueueAPI {
         d.put("errors.already-connected", "&cYou are already connected to this server!");
         d.put("errors.cant-join-paused", "&cYou cannot join the queue for {SERVER} because it is paused.");
         d.put("errors.deny-joining-from-server", "&cYou are not allowed to join queues from this server!");
+        d.put("errors.wrong-version.base", "<red>You must be on {VERSIONS} to join this server!");
+        d.put("errors.wrong-version.or", " or ");
+        d.put("errors.wrong-version.comma", ", ");
 
         d.put("commands.leave-queue", "&aYou left the queue for {SERVER}!");
         d.put("commands.reload", "&aConfig and messages reloaded successfully!");
diff --git a/common/src/main/java/us/ajg0702/queue/common/QueueManagerImpl.java b/common/src/main/java/us/ajg0702/queue/common/QueueManagerImpl.java
index 6dc192f..b2dee1f 100644
--- a/common/src/main/java/us/ajg0702/queue/common/QueueManagerImpl.java
+++ b/common/src/main/java/us/ajg0702/queue/common/QueueManagerImpl.java
@@ -55,6 +55,35 @@ public class QueueManagerImpl implements QueueManager {
             result.add(queueServer);
         }
 
+        List<String> supportedProtocolsRaw = main.getConfig().getStringList("supported-protocols");
+        for(String supportedProtocolsString : supportedProtocolsRaw) {
+            String[] parts = supportedProtocolsString.split(":");
+            if(parts.length < 2) {
+                main.getLogger().warn("Invalid supported protocols entry! Must have a colon to seperate the server(s) and the protocols");
+                continue;
+            }
+            String serversRaw = parts[0];
+            String protocolsRaw = parts[1];
+
+            List<Integer> protocols = new ArrayList<>();
+            for(String protocolString : protocolsRaw.split(",")) {
+                try {
+                    protocols.add(Integer.valueOf(protocolString));
+                } catch(NumberFormatException e) {
+                    main.getLogger().info("The protocol "+protocolString+" is not a valid number!");
+                }
+            }
+
+            for(String serverName : serversRaw.split(",")) {
+                for(QueueServer server : result) {
+                    if(serverName.equalsIgnoreCase(server.getName())) {
+                        server.setSupportedProtocols(protocols);
+                        break;
+                    }
+                }
+            }
+        }
+
         return result;
     }
 
@@ -70,6 +99,22 @@ public class QueueManagerImpl implements QueueManager {
             return false;
         }
 
+        int playerVersion = player.getProtocolVersion();
+        List<Integer> supportedProtocols = server.getSupportedProtocols();
+        if(!supportedProtocols.contains(playerVersion) && supportedProtocols.size() > 0) {
+            StringBuilder versions = new StringBuilder();
+            for(int protocol : supportedProtocols) {
+                versions.append(main.getProtocolNameManager().getProtocolName(protocol));
+                if(supportedProtocols.indexOf(protocol) == supportedProtocols.size()-2) {
+                    versions.append(msgs.getString("errors.wrong-version.or"));
+                } else if(supportedProtocols.indexOf(protocol) != supportedProtocols.size()-1) {
+                    versions.append(msgs.getString("errors.wrong-version.comma"));
+                }
+            }
+            player.sendMessage(msgs.getComponent("errors.wrong-version.base", "VERSIONS:" + versions));
+            return false;
+        }
+
         if(server.isPaused() && main.getConfig().getBoolean("prevent-joining-paused")) {
             player.sendMessage(msgs.getComponent("errors.cant-join-paused", "SERVER:"+server.getAlias()));
             return false;
diff --git a/common/src/main/java/us/ajg0702/queue/common/queues/QueueServerImpl.java b/common/src/main/java/us/ajg0702/queue/common/queues/QueueServerImpl.java
index fd77111..c876233 100644
--- a/common/src/main/java/us/ajg0702/queue/common/queues/QueueServerImpl.java
+++ b/common/src/main/java/us/ajg0702/queue/common/queues/QueueServerImpl.java
@@ -62,6 +62,8 @@ public class QueueServerImpl implements QueueServer {
 
     private final List<QueuePlayer> queue = new ArrayList<>();
 
+    private List<Integer> supportedProtocols = new ArrayList<>();
+
 
     private int playerCount;
     private int maxPlayers;
@@ -160,7 +162,10 @@ public class QueueServerImpl implements QueueServer {
                 maxPlayers = 0;
                 for(AdaptedServer pingedServer : pings.keySet()) {
                     AdaptedServerPing serverPing = pings.get(pingedServer);
-                    if(serverPing == null) {
+                    if(serverPing == null || serverPing.getPlainDescription() == null) {
+                        if(serverPing != null) {
+                            pings.put(pingedServer, null);
+                        }
                         continue;
                     }
                     if(serverPing.getPlainDescription().contains("ajQueue;whitelisted=")) {
@@ -170,7 +175,14 @@ public class QueueServerImpl implements QueueServer {
                         List<UUID> uuids = new ArrayList<>();
                         for(String uuid : serverPing.getPlainDescription().substring(20).split(",")) {
                             if(uuid.isEmpty()) continue;
-                            uuids.add(UUID.fromString(uuid));
+                            UUID parsedUUID;
+                            try {
+                                parsedUUID = UUID.fromString(uuid);
+                            } catch(IllegalArgumentException e) {
+                                main.getLogger().warn("UUID '"+uuid+"' in whitelist of "+getName()+" is invalid! "+e.getMessage());
+                                continue;
+                            }
+                            uuids.add(parsedUUID);
                         }
                         setWhitelistedPlayers(uuids);
                     } else {
@@ -399,4 +411,14 @@ public class QueueServerImpl implements QueueServer {
     public HashMap<AdaptedServer, AdaptedServerPing> getLastPings() {
         return new HashMap<>(pings);
     }
+
+    @Override
+    public List<Integer> getSupportedProtocols() {
+        return new ArrayList<>(supportedProtocols);
+    }
+
+    @Override
+    public void setSupportedProtocols(List<Integer> list) {
+        supportedProtocols = new ArrayList<>(list);
+    }
 }
diff --git a/common/src/main/resources/config.yml b/common/src/main/resources/config.yml
index 38b014d..ec92773 100644
--- a/common/src/main/resources/config.yml
+++ b/common/src/main/resources/config.yml
@@ -1,5 +1,13 @@
 # Dont touch this number please
-config-version: 25
+config-version: 26
+
+
+# This is the main config for ajQueue.
+# If you have any questions, make sure to read the comment above the options first,
+#  then feel free to join my discord and ask for support.
+# Discord invite link is on the plugin page.
+
+
 
 # The time the server will wait between sending people in the queue
 #  Default: 5
@@ -197,4 +205,51 @@ priority-messages:
 # Should the plugin send a title to the player?
 # The title shows what position the player is in the queue
 #  Default: false
-send-title: false
\ No newline at end of file
+send-title: false
+
+# What protocols do servers support?
+# The protocol version number list can be found here: https://wiki.vg/Protocol_version_numbers
+# Format: server(s):protocol(s)
+# Example: 1.17:755,756
+#  This example will only allow 1.17 and 1.17.1 on the server called 1.17
+# Example: lobby-1,lobby-2,lobby-3:754,755,756
+#  This example will only allow 1.16.5, 1.17, and 1.17.1 on the 3 lobby servers
+supported-protocols:
+  - "1.17:755,756"
+
+
+# These are the protocol names the plugin should use.
+# If you are on velocity, if the protocol is not listed here then the velocity
+#  api will be used to find the name of the protocol.
+# If you are on bungee, only this list can be used.
+protocol-names:
+  - "756:1.17.1"
+  - "755:1.17"
+  - "754:1.16.5"
+  - "753:1.16.3"
+  - "751:1.16.2"
+  - "736:1.16.1"
+  - "735:1.16"
+  - "578:1.15.2"
+  - "575:1.15.1"
+  - "573:1.15"
+  - "498:1.14.4"
+  - "490:1.14.3"
+  - "485:1.14.2"
+  - "480:1.14.1"
+  - "477:1.14"
+  - "404:1.13.2"
+  - "401:1.13.1"
+  - "393:1.13"
+  - "340:1.12.2"
+  - "338:1.12.1"
+  - "335:1.12"
+  - "316:1.11.2"
+  - "315:1.11"
+  - "210:1.10.2"
+  - "110:1.9.4"
+  - "109:1.9.2"
+  - "108:1.9.1"
+  - "107:1.9"
+  - "47:1.8.9"
+  - "5:1.7.10"
\ No newline at end of file
diff --git a/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/BungeeMethods.java b/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/BungeeMethods.java
index c09244e..347b20d 100644
--- a/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/BungeeMethods.java
+++ b/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/BungeeMethods.java
@@ -16,10 +16,7 @@ import us.ajg0702.queue.commands.commands.PlayerSender;
 import us.ajg0702.queue.platforms.bungeecord.players.BungeePlayer;
 import us.ajg0702.queue.platforms.bungeecord.server.BungeeServer;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Locale;
+import java.util.*;
 
 public class BungeeMethods implements PlatformMethods {
 
@@ -87,6 +84,13 @@ public class BungeeMethods implements PlatformMethods {
         return new BungeePlayer(player);
     }
 
+    @Override
+    public AdaptedPlayer getPlayer(UUID uuid) {
+        ProxiedPlayer player = proxyServer.getPlayer(uuid);
+        if(player == null) return null;
+        return new BungeePlayer(player);
+    }
+
     @Override
     public List<String> getServerNames() {
         return new ArrayList<>(proxyServer.getServers().keySet());
@@ -122,4 +126,9 @@ public class BungeeMethods implements PlatformMethods {
 
         return result;
     }
+
+    @Override
+    public String getProtocolName(int protocol) {
+        return protocol+"";
+    }
 }
diff --git a/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/players/BungeePlayer.java b/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/players/BungeePlayer.java
index 50c1b62..8e69d93 100644
--- a/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/players/BungeePlayer.java
+++ b/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/players/BungeePlayer.java
@@ -124,6 +124,11 @@ public class BungeePlayer implements AdaptedPlayer, Audience {
         handle.connect(((BungeeServer) server).getHandle());
     }
 
+    @Override
+    public int getProtocolVersion() {
+        return handle.getPendingConnection().getVersion();
+    }
+
     @Override
     public String getName() {
         return handle.getName();
diff --git a/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/server/BungeeServerPing.java b/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/server/BungeeServerPing.java
index 5df1d43..9175344 100644
--- a/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/server/BungeeServerPing.java
+++ b/platforms/bungeecord/src/main/java/us/ajg0702/queue/platforms/bungeecord/server/BungeeServerPing.java
@@ -24,7 +24,7 @@ public class BungeeServerPing implements AdaptedServerPing {
     @Override
     public String getPlainDescription() {
         BaseComponent desc = handle.getDescriptionComponent();
-        if(desc == null) return "";
+        if(desc == null) return null;
         return desc.toPlainText();
     }
 
diff --git a/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/VelocityMethods.java b/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/VelocityMethods.java
index e899725..f0b99ad 100644
--- a/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/VelocityMethods.java
+++ b/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/VelocityMethods.java
@@ -2,6 +2,7 @@ package us.ajg0702.queue.platforms.velocity;
 
 import com.google.common.io.ByteArrayDataOutput;
 import com.google.common.io.ByteStreams;
+import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.plugin.PluginContainer;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ProxyServer;
@@ -19,10 +20,7 @@ import us.ajg0702.queue.commands.commands.PlayerSender;
 import us.ajg0702.queue.platforms.velocity.players.VelocityPlayer;
 import us.ajg0702.queue.platforms.velocity.server.VelocityServer;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-import java.util.Optional;
+import java.util.*;
 
 @SuppressWarnings("OptionalIsPresent")
 public class VelocityMethods implements PlatformMethods {
@@ -96,7 +94,15 @@ public class VelocityMethods implements PlatformMethods {
     public AdaptedPlayer getPlayer(String name) {
         Optional<Player> player = proxyServer.getPlayer(name);
         if(!player.isPresent()) {
-            System.out.println("Player "+name+" not found");
+            return null;
+        }
+        return new VelocityPlayer(player.get());
+    }
+
+    @Override
+    public AdaptedPlayer getPlayer(UUID uuid) {
+        Optional<Player> player = proxyServer.getPlayer(uuid);
+        if(!player.isPresent()) {
             return null;
         }
         return new VelocityPlayer(player.get());
@@ -142,4 +148,13 @@ public class VelocityMethods implements PlatformMethods {
 
         return result;
     }
+
+    @Override
+    public String getProtocolName(int protocol) {
+        String version = ProtocolVersion.getProtocolVersion(protocol).getMostRecentSupportedVersion();
+        if(version.equalsIgnoreCase("Unknown")) {
+            return protocol+"";
+        }
+        return version;
+    }
 }
diff --git a/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/players/VelocityPlayer.java b/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/players/VelocityPlayer.java
index cf77ebb..b430cb9 100644
--- a/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/players/VelocityPlayer.java
+++ b/platforms/velocity/src/main/java/us/ajg0702/queue/platforms/velocity/players/VelocityPlayer.java
@@ -131,6 +131,11 @@ public class VelocityPlayer implements AdaptedPlayer, Audience {
         );
     }
 
+    @Override
+    public int getProtocolVersion() {
+        return handle.getProtocolVersion().getProtocol();
+    }
+
     @Override
     public String getName() {
         return handle.getUsername();