diff --git a/README.md b/README.md
index f678ddb..81eeccc 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # ViaForge
-Client-side Implementation of ViaVersion, ViaBackwards and ViaRewind for Legacy Minecraft Forge
+Client-side Implementation of the Via* projects for Minecraft Forge
 
 ## Contact
 If you encounter any issues, please report them on the
diff --git a/buildSrc/src/main/groovy/viaforge.base-conventions.gradle b/buildSrc/src/main/groovy/viaforge.base-conventions.gradle
index b01dc3e..742bb14 100644
--- a/buildSrc/src/main/groovy/viaforge.base-conventions.gradle
+++ b/buildSrc/src/main/groovy/viaforge.base-conventions.gradle
@@ -24,8 +24,11 @@ dependencies {
     include "com.viaversion:viaversion:${project.viaversion_version}"
     include "com.viaversion:viabackwards:${project.viabackwards_version}"
     include "com.viaversion:viarewind-universal:${project.viarewind_version}"
+    include ("net.raphimc:ViaLegacy:${project.vialegacy_version}") {
+        exclude group: "com.google.code.gson", module: "gson"
+    }
+    include "net.raphimc:ViaAprilFools:${project.viaaprilfools_version}"
+    include "net.raphimc:ViaLoader:${project.vialoader_version}"
 
     include "org.yaml:snakeyaml:${project.snake_yml_version}"
-
-    include "net.raphimc:ViaLoader:${project.vialoader_version}"
 }
diff --git a/gradle.properties b/gradle.properties
index 5aca323..0f7cba5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,11 +8,12 @@ maven_version=3.5.0-SNAPSHOT
 maven_group=de.florianmichael
 
 # ViaVersion
-vialoader_version=2.2.11-SNAPSHOT
-
 viaversion_version=4.9.0-23w42a-SNAPSHOT
 viabackwards_version=4.9.0-23w42a-SNAPSHOT
 viarewind_version=3.0.3-SNAPSHOT
+vialegacy_version=2.2.21-SNAPSHOT
+viaaprilfools_version=2.0.10-SNAPSHOT
+vialoader_version=2.2.11-SNAPSHOT
 
 snake_yml_version=2.2
 
diff --git a/src/main/java/de/florianmichael/viaforge/common/ViaForgeCommon.java b/src/main/java/de/florianmichael/viaforge/common/ViaForgeCommon.java
index 71876fe..d7b97f3 100644
--- a/src/main/java/de/florianmichael/viaforge/common/ViaForgeCommon.java
+++ b/src/main/java/de/florianmichael/viaforge/common/ViaForgeCommon.java
@@ -23,14 +23,14 @@ import com.viaversion.viaversion.protocol.ProtocolPipelineImpl;
 import de.florianmichael.viaforge.common.platform.VFPlatform;
 import de.florianmichael.viaforge.common.platform.ViaForgeConfig;
 import de.florianmichael.viaforge.common.protocolhack.ViaForgeVLInjector;
+import de.florianmichael.viaforge.common.protocolhack.netty.IEncryptionSetup;
 import de.florianmichael.viaforge.common.protocolhack.netty.ViaForgeVLLegacyPipeline;
 import de.florianmichael.viaforge.common.protocolhack.ViaForgeVLLoader;
 import io.netty.channel.Channel;
 import io.netty.channel.socket.SocketChannel;
+import io.netty.util.AttributeKey;
 import net.raphimc.vialoader.ViaLoader;
-import net.raphimc.vialoader.impl.platform.ViaBackwardsPlatformImpl;
-import net.raphimc.vialoader.impl.platform.ViaRewindPlatformImpl;
-import net.raphimc.vialoader.impl.platform.ViaVersionPlatformImpl;
+import net.raphimc.vialoader.impl.platform.*;
 import net.raphimc.vialoader.netty.CompressionReorderEvent;
 import net.raphimc.vialoader.util.VersionEnum;
 
@@ -41,6 +41,9 @@ import java.io.File;
  * It is used to inject the ViaVersion pipeline into the netty pipeline. It also manages the target version.
  */
 public class ViaForgeCommon {
+    public final static AttributeKey<UserConnection> LOCAL_VIA_USER = AttributeKey.valueOf("local_via_user");
+    public final static AttributeKey<IEncryptionSetup> ENCRYPTION_SETUP = AttributeKey.valueOf("encryption_setup");
+
     private static ViaForgeCommon manager;
 
     private final VFPlatform platform;
@@ -70,7 +73,7 @@ public class ViaForgeCommon {
 
         final File mainFolder = new File(platform.getLeadingDirectory(), "ViaForge");
 
-        ViaLoader.init(new ViaVersionPlatformImpl(mainFolder), new ViaForgeVLLoader(), new ViaForgeVLInjector(), null, ViaBackwardsPlatformImpl::new, ViaRewindPlatformImpl::new);
+        ViaLoader.init(new ViaVersionPlatformImpl(mainFolder), new ViaForgeVLLoader(platform), new ViaForgeVLInjector(), null, ViaBackwardsPlatformImpl::new, ViaRewindPlatformImpl::new, ViaLegacyPlatformImpl::new, ViaAprilFoolsPlatformImpl::new);
         manager.config = new ViaForgeConfig(new File(mainFolder, "viaforge.yml"));
 
         final VersionEnum configVersion = VersionEnum.fromProtocolId(manager.config.getClientSideVersion());
@@ -91,6 +94,8 @@ public class ViaForgeCommon {
             final UserConnection user = new UserConnectionImpl(channel, true);
             new ProtocolPipelineImpl(user);
 
+            channel.attr(LOCAL_VIA_USER).set(user);
+
             channel.pipeline().addLast(new ViaForgeVLLegacyPipeline(user, targetVersion));
         }
     }
diff --git a/src/main/java/de/florianmichael/viaforge/common/platform/VFPlatform.java b/src/main/java/de/florianmichael/viaforge/common/platform/VFPlatform.java
index dc07ff9..0a2f8f9 100644
--- a/src/main/java/de/florianmichael/viaforge/common/platform/VFPlatform.java
+++ b/src/main/java/de/florianmichael/viaforge/common/platform/VFPlatform.java
@@ -17,6 +17,8 @@
  */
 package de.florianmichael.viaforge.common.platform;
 
+import net.raphimc.vialegacy.protocols.release.protocol1_8to1_7_6_10.providers.GameProfileFetcher;
+
 import java.io.File;
 import java.util.function.Supplier;
 
@@ -39,4 +41,16 @@ public interface VFPlatform {
      * @return the leading directory of the platform
      */
     File getLeadingDirectory();
+
+    /**
+     * Sends the joinServer API request to Mojang's authentication servers.
+     *
+     * @param serverId    the server id of the server
+     */
+    void joinServer(final String serverId) throws Throwable;
+
+    /**
+     * @return the game profile fetcher of the platform for ViaLegacy
+     */
+    GameProfileFetcher getGameProfileFetcher();
 }
diff --git a/src/main/java/de/florianmichael/viaforge/common/platform/ViaForgeConfig.java b/src/main/java/de/florianmichael/viaforge/common/platform/ViaForgeConfig.java
index 75df388..0cee451 100644
--- a/src/main/java/de/florianmichael/viaforge/common/platform/ViaForgeConfig.java
+++ b/src/main/java/de/florianmichael/viaforge/common/platform/ViaForgeConfig.java
@@ -15,6 +15,8 @@ public class ViaForgeConfig extends Config {
     public final static String SHOW_MULTIPLAYER_BUTTON = "show-multiplayer-button";
     public final static String SHOW_DIRECT_CONNECT_BUTTON = "show-direct-connect-button";
 
+    public final static String VERIFY_SESSION_IN_OLD_VERSIONS = "verify-session-in-old-versions";
+
     /**
      * @param configFile The location of where the config is loaded/saved.
      */
@@ -62,4 +64,8 @@ public class ViaForgeConfig extends Config {
     public boolean isShowDirectConnectButton() {
         return getBoolean(SHOW_DIRECT_CONNECT_BUTTON, true);
     }
+
+    public boolean isVerifySessionInOldVersions() {
+        return getBoolean(VERIFY_SESSION_IN_OLD_VERSIONS, true);
+    }
 }
diff --git a/src/main/java/de/florianmichael/viaforge/common/protocolhack/ViaForgeVLLoader.java b/src/main/java/de/florianmichael/viaforge/common/protocolhack/ViaForgeVLLoader.java
index 2826e17..700e379 100644
--- a/src/main/java/de/florianmichael/viaforge/common/protocolhack/ViaForgeVLLoader.java
+++ b/src/main/java/de/florianmichael/viaforge/common/protocolhack/ViaForgeVLLoader.java
@@ -21,12 +21,24 @@ import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.api.platform.providers.ViaProviders;
 import com.viaversion.viaversion.api.protocol.version.VersionProvider;
 import com.viaversion.viaversion.protocols.protocol1_9to1_8.providers.MovementTransmitterProvider;
+import de.florianmichael.viaforge.common.platform.VFPlatform;
 import de.florianmichael.viaforge.common.protocolhack.provider.DummyMovementTransmitter;
+import de.florianmichael.viaforge.common.protocolhack.provider.ViaForgeEncryptionProvider;
+import de.florianmichael.viaforge.common.protocolhack.provider.ViaForgeOldAuthProvider;
 import de.florianmichael.viaforge.common.protocolhack.provider.ViaForgeVersionProvider;
+import net.raphimc.vialegacy.protocols.release.protocol1_3_1_2to1_2_4_5.providers.OldAuthProvider;
+import net.raphimc.vialegacy.protocols.release.protocol1_7_2_5to1_6_4.providers.EncryptionProvider;
+import net.raphimc.vialegacy.protocols.release.protocol1_8to1_7_6_10.providers.GameProfileFetcher;
 import net.raphimc.vialoader.impl.viaversion.VLLoader;
 
 public class ViaForgeVLLoader extends VLLoader {
 
+    private final VFPlatform platform;
+
+    public ViaForgeVLLoader(VFPlatform platform) {
+        this.platform = platform;
+    }
+
     @Override
     public void load() {
         super.load();
@@ -35,5 +47,8 @@ public class ViaForgeVLLoader extends VLLoader {
 
         providers.use(VersionProvider.class, new ViaForgeVersionProvider());
         providers.use(MovementTransmitterProvider.class, new DummyMovementTransmitter());
+        providers.use(OldAuthProvider.class, new ViaForgeOldAuthProvider());
+        providers.use(GameProfileFetcher.class, platform.getGameProfileFetcher());
+        providers.use(EncryptionProvider.class, new ViaForgeEncryptionProvider());
     }
 }
diff --git a/src/main/java/de/florianmichael/viaforge/common/protocolhack/netty/IEncryptionSetup.java b/src/main/java/de/florianmichael/viaforge/common/protocolhack/netty/IEncryptionSetup.java
new file mode 100644
index 0000000..72ed16a
--- /dev/null
+++ b/src/main/java/de/florianmichael/viaforge/common/protocolhack/netty/IEncryptionSetup.java
@@ -0,0 +1,10 @@
+package de.florianmichael.viaforge.common.protocolhack.netty;
+
+public interface IEncryptionSetup {
+
+    /**
+     * API method to setup the decryption side of the pipeline.
+     * This method is called by the {@link de.florianmichael.viaforge.common.protocolhack.provider.ViaForgeEncryptionProvider} class.
+     */
+    void viaforge_setupPreNettyDecryption();
+}
diff --git a/src/main/java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeEncryptionProvider.java b/src/main/java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeEncryptionProvider.java
new file mode 100644
index 0000000..c4b5630
--- /dev/null
+++ b/src/main/java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeEncryptionProvider.java
@@ -0,0 +1,13 @@
+package de.florianmichael.viaforge.common.protocolhack.provider;
+
+import com.viaversion.viaversion.api.connection.UserConnection;
+import de.florianmichael.viaforge.common.ViaForgeCommon;
+import net.raphimc.vialegacy.protocols.release.protocol1_7_2_5to1_6_4.providers.EncryptionProvider;
+
+public class ViaForgeEncryptionProvider extends EncryptionProvider {
+
+    @Override
+    public void enableDecryption(UserConnection user) {
+        user.getChannel().attr(ViaForgeCommon.ENCRYPTION_SETUP).getAndRemove().viaforge_setupPreNettyDecryption();
+    }
+}
diff --git a/src/main/java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeOldAuthProvider.java b/src/main/java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeOldAuthProvider.java
new file mode 100644
index 0000000..a075758
--- /dev/null
+++ b/src/main/java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeOldAuthProvider.java
@@ -0,0 +1,18 @@
+package de.florianmichael.viaforge.common.protocolhack.provider;
+
+import com.viaversion.viaversion.api.connection.UserConnection;
+import de.florianmichael.viaforge.common.ViaForgeCommon;
+import net.raphimc.vialegacy.protocols.release.protocol1_3_1_2to1_2_4_5.providers.OldAuthProvider;
+
+public class ViaForgeOldAuthProvider extends OldAuthProvider {
+
+    @Override
+    public void sendAuthRequest(UserConnection user, String serverId) throws Throwable {
+        final ViaForgeCommon common = ViaForgeCommon.getManager();
+        if (!common.getConfig().isVerifySessionInOldVersions()) {
+            return;
+        }
+
+        common.getPlatform().joinServer(serverId);
+    }
+}
diff --git a/src/main/resources/META-INF/mods.toml b/src/main/resources/META-INF/mods.toml
index b5beba3..620259d 100644
--- a/src/main/resources/META-INF/mods.toml
+++ b/src/main/resources/META-INF/mods.toml
@@ -13,5 +13,5 @@ displayURL="https://github.com/FlorianMichael"
 credits="FlorianMichael/EnZaXD and all ViaVersion/ViaForge contributors"
 authors="FlorianMichael/EnZaXD"
 description='''
-  Client-side Implementation of ViaVersion, ViaBackwards and ViaRewind for Legacy Minecraft Forge
+  Client-side Implementation of the Via* projects for Minecraft Forge
   '''
\ No newline at end of file
diff --git a/src/main/resources/assets/viaforge/config.yml b/src/main/resources/assets/viaforge/config.yml
index 849d67e..6e5d972 100644
--- a/src/main/resources/assets/viaforge/config.yml
+++ b/src/main/resources/assets/viaforge/config.yml
@@ -12,3 +12,6 @@ show-multiplayer-button: true
 #
 # This option indicates if the ViaForge button should be shown in the direct connect screen.
 show-direct-connect-button: true
+#
+# Manually sends the joinServer request when connecting to <= 1.2.5 servers.
+verify-session-in-old-versions: true
diff --git a/src/main/resources/mcmod.info b/src/main/resources/mcmod.info
index 4c11457..3d21428 100644
--- a/src/main/resources/mcmod.info
+++ b/src/main/resources/mcmod.info
@@ -2,7 +2,7 @@
   {
     "modid": "viaforge",
     "name": "ViaForge",
-    "description": "Client-side Implementation of ViaVersion, ViaBackwards and ViaRewind for Legacy Minecraft Forge",
+    "description": "Client-side Implementation of the Via* projects for Minecraft Forge",
     "version": "${version}",
     "mcversion": "[1.12.2]",
     "url": "https://github.com/ViaVersion/ViaForge",
diff --git a/viaforge-mc112/src/main/java/de/florianmichael/viaforge/ViaForge112.java b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/ViaForge112.java
index d75cf01..c4390b6 100644
--- a/viaforge-mc112/src/main/java/de/florianmichael/viaforge/ViaForge112.java
+++ b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/ViaForge112.java
@@ -18,9 +18,12 @@
 package de.florianmichael.viaforge;
 
 import de.florianmichael.viaforge.common.platform.VFPlatform;
+import de.florianmichael.viaforge.provider.ViaForgeGameProfileFetcher;
 import net.minecraft.client.Minecraft;
 import net.minecraft.realms.RealmsSharedConstants;
+import net.minecraft.util.Session;
 import net.minecraftforge.fml.common.Mod;
+import net.raphimc.vialegacy.protocols.release.protocol1_8to1_7_6_10.providers.GameProfileFetcher;
 
 import java.io.File;
 import java.util.function.Supplier;
@@ -43,4 +46,16 @@ public class ViaForge112 implements VFPlatform {
     public File getLeadingDirectory() {
         return Minecraft.getMinecraft().gameDir;
     }
+
+    @Override
+    public void joinServer(String serverId) throws Throwable {
+        final Session session = Minecraft.getMinecraft().getSession();
+
+        Minecraft.getMinecraft().getSessionService().joinServer(session.getProfile(), session.getToken(), serverId);
+    }
+
+    @Override
+    public GameProfileFetcher getGameProfileFetcher() {
+        return new ViaForgeGameProfileFetcher();
+    }
 }
diff --git a/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetHandlerLoginClient.java b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetHandlerLoginClient.java
new file mode 100644
index 0000000..19610fc
--- /dev/null
+++ b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetHandlerLoginClient.java
@@ -0,0 +1,37 @@
+package de.florianmichael.viaforge.mixin.impl;
+
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.exceptions.AuthenticationException;
+import com.mojang.authlib.minecraft.MinecraftSessionService;
+import com.viaversion.viaversion.api.connection.UserConnection;
+import de.florianmichael.viaforge.common.ViaForgeCommon;
+import net.minecraft.client.network.NetHandlerLoginClient;
+import net.minecraft.network.NetworkManager;
+import net.raphimc.vialegacy.protocols.release.protocol1_7_2_5to1_6_4.storage.ProtocolMetadataStorage;
+import net.raphimc.vialoader.util.VersionEnum;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@SuppressWarnings("DataFlowIssue")
+@Mixin(NetHandlerLoginClient.class)
+public class MixinNetHandlerLoginClient {
+
+    @Shadow @Final private NetworkManager networkManager;
+
+    @Redirect(method = "handleEncryptionRequest", at = @At(value = "INVOKE", target = "Lcom/mojang/authlib/minecraft/MinecraftSessionService;joinServer(Lcom/mojang/authlib/GameProfile;Ljava/lang/String;Ljava/lang/String;)V"))
+    public void onlyJoinServerIfPremium(MinecraftSessionService instance, GameProfile profile, String authenticationToken, String serverId) throws AuthenticationException {
+        if (ViaForgeCommon.getManager().getTargetVersion().isOlderThanOrEqualTo(VersionEnum.r1_6_4)) {
+            final UserConnection user = networkManager.channel().attr(ViaForgeCommon.LOCAL_VIA_USER).get();
+            if (user != null && user.has(ProtocolMetadataStorage.class) && !user.get(ProtocolMetadataStorage.class).authenticate) {
+                // We are in the 1.7 -> 1.6 protocol, so we need to skip the joinServer call
+                // if the server is in offline mode, due the packet changes <-> networking changes
+                // Minecraft's networking code is bad for us.
+                return;
+            }
+        }
+        instance.joinServer(profile, authenticationToken, serverId);
+    }
+}
diff --git a/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetworkManager.java b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetworkManager.java
index 687b54a..34a53a2 100644
--- a/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetworkManager.java
+++ b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/mixin/impl/MixinNetworkManager.java
@@ -18,21 +18,68 @@
 package de.florianmichael.viaforge.mixin.impl;
 
 import de.florianmichael.viaforge.common.ViaForgeCommon;
+import de.florianmichael.viaforge.common.protocolhack.netty.IEncryptionSetup;
 import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import net.minecraft.network.NettyEncryptingDecoder;
+import net.minecraft.network.NettyEncryptingEncoder;
 import net.minecraft.network.NetworkManager;
+import net.minecraft.util.CryptManager;
+import net.raphimc.vialoader.netty.VLLegacyPipeline;
+import net.raphimc.vialoader.util.VersionEnum;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
+import javax.crypto.Cipher;
+import javax.crypto.SecretKey;
+
 @Mixin(NetworkManager.class)
-public class MixinNetworkManager {
+public class MixinNetworkManager implements IEncryptionSetup {
 
     @Shadow private Channel channel;
 
+    @Unique
+    private Cipher viaforge_decryptionCipher;
+
+    @Inject(method = "channelActive", at = @At("RETURN"))
+    public void trackThisClass(ChannelHandlerContext p_channelActive_1_, CallbackInfo ci) {
+        // We need to access this class later to call the viaforge_setupPreNettyDecryption method.
+        // In one of the ViaLegacy's required providers, so we track this class instance as an own
+        // attribute in the connection and later access it from there and remove it.
+        // Counterpart in {@link java/de/florianmichael/viaforge/common/protocolhack/provider/ViaForgeEncryptionProvider.java}
+        channel.attr(ViaForgeCommon.ENCRYPTION_SETUP).set(this);
+    }
+
+    @Inject(method = "enableEncryption", at = @At("HEAD"), cancellable = true)
+    private void storeEncryptionCiphers(SecretKey key, CallbackInfo ci) {
+        if (ViaForgeCommon.getManager().getTargetVersion().isOlderThanOrEqualTo(VersionEnum.r1_6_4)) {
+            // Minecraft's encryption code is bad for us, we need to reorder the pipeline
+            ci.cancel();
+
+            // Minecraft 1.6.4 supports tile encryption which means the server can only disable one side of the encryption
+            // So we only enable the encryption side and later enable the decryption side if the 1.7 -> 1.6 protocol
+            // tells us to do, therefore we need to store the cipher instance.
+            this.viaforge_decryptionCipher = CryptManager.createNetCipherInstance(2, key);
+
+            // Enabling the encryption side
+            this.channel.pipeline().addBefore(VLLegacyPipeline.VIALEGACY_PRE_NETTY_LENGTH_REMOVER_NAME, "encrypt", new NettyEncryptingEncoder(CryptManager.createNetCipherInstance(1, key)));
+        }
+    }
+
     @Inject(method = "setCompressionThreshold", at = @At("RETURN"))
     public void reorderPipeline(int p_setCompressionTreshold_1_, CallbackInfo ci) {
+        // When Minecraft enables compression, we need to reorder the pipeline
+        // to match the counterparts of via-decoder <-> encoder and via-encoder <-> encoder
         ViaForgeCommon.getManager().reorderCompression(channel);
     }
+
+    @Override
+    public void viaforge_setupPreNettyDecryption() {
+        // Enabling the decryption side for 1.6.4 if the 1.7 -> 1.6 protocol tells us to do
+        this.channel.pipeline().addBefore(VLLegacyPipeline.VIALEGACY_PRE_NETTY_LENGTH_REMOVER_NAME, "decrypt", new NettyEncryptingDecoder(this.viaforge_decryptionCipher));
+    }
 }
diff --git a/viaforge-mc112/src/main/java/de/florianmichael/viaforge/provider/ViaForgeGameProfileFetcher.java b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/provider/ViaForgeGameProfileFetcher.java
new file mode 100644
index 0000000..2d06f53
--- /dev/null
+++ b/viaforge-mc112/src/main/java/de/florianmichael/viaforge/provider/ViaForgeGameProfileFetcher.java
@@ -0,0 +1,57 @@
+package de.florianmichael.viaforge.provider;
+
+import com.mojang.authlib.Agent;
+import com.mojang.authlib.GameProfileRepository;
+import com.mojang.authlib.HttpAuthenticationService;
+import com.mojang.authlib.ProfileLookupCallback;
+import com.mojang.authlib.minecraft.MinecraftSessionService;
+import com.mojang.authlib.properties.Property;
+import com.mojang.authlib.yggdrasil.ProfileNotFoundException;
+import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
+import net.raphimc.vialegacy.protocols.release.protocol1_8to1_7_6_10.model.GameProfile;
+import net.raphimc.vialegacy.protocols.release.protocol1_8to1_7_6_10.providers.GameProfileFetcher;
+
+import java.net.Proxy;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+
+public class ViaForgeGameProfileFetcher extends GameProfileFetcher {
+    public final static HttpAuthenticationService AUTHENTICATION_SERVICE = new YggdrasilAuthenticationService(Proxy.NO_PROXY, "");
+    public final static MinecraftSessionService SESSION_SERVICE = AUTHENTICATION_SERVICE.createMinecraftSessionService();
+    public final static GameProfileRepository GAME_PROFILE_REPOSITORY = AUTHENTICATION_SERVICE.createProfileRepository();
+
+    @Override
+    public UUID loadMojangUUID(String playerName) throws Exception {
+        final CompletableFuture<com.mojang.authlib.GameProfile> future = new CompletableFuture<>();
+        GAME_PROFILE_REPOSITORY.findProfilesByNames(new String[]{playerName}, Agent.MINECRAFT, new ProfileLookupCallback() {
+            @Override
+            public void onProfileLookupSucceeded(com.mojang.authlib.GameProfile profile) {
+                future.complete(profile);
+            }
+
+            @Override
+            public void onProfileLookupFailed(com.mojang.authlib.GameProfile profile, Exception exception) {
+                future.completeExceptionally(exception);
+            }
+        });
+        if (!future.isDone()) {
+            future.completeExceptionally(new ProfileNotFoundException());
+        }
+        return future.get().getId();
+    }
+
+    @Override
+    public GameProfile loadGameProfile(UUID uuid) throws Exception {
+        final com.mojang.authlib.GameProfile inProfile = new com.mojang.authlib.GameProfile(uuid, null);
+        final com.mojang.authlib.GameProfile mojangProfile = SESSION_SERVICE.fillProfileProperties(inProfile, true);
+        if (mojangProfile.equals(inProfile)) throw new ProfileNotFoundException();
+
+        final GameProfile gameProfile = new GameProfile(mojangProfile.getName(), mojangProfile.getId());
+        for (final java.util.Map.Entry<String, Property> entry : mojangProfile.getProperties().entries()) {
+            final Property prop = entry.getValue();
+            gameProfile.addProperty(new GameProfile.Property(prop.getName(), prop.getValue(), prop.getSignature()));
+        }
+
+        return gameProfile;
+    }
+}
diff --git a/viaforge-mc112/src/main/resources/mixins.viaforge-mc112.json b/viaforge-mc112/src/main/resources/mixins.viaforge-mc112.json
index 2d2de04..f927439 100644
--- a/viaforge-mc112/src/main/resources/mixins.viaforge-mc112.json
+++ b/viaforge-mc112/src/main/resources/mixins.viaforge-mc112.json
@@ -8,6 +8,7 @@
     "MixinGuiMainMenu",
     "MixinGuiMultiplayer",
     "MixinGuiScreenServerList",
+    "MixinNetHandlerLoginClient",
     "MixinNetworkManager",
     "MixinNetworkManager_5",
     "fixes.MixinEntityPlayerSP"