diff --git a/public/eiface.h b/public/eiface.h
index f2d8add9..6039c69c 100644
--- a/public/eiface.h
+++ b/public/eiface.h
@@ -616,6 +616,8 @@ public:
 
 	// The client has submitted a keyvalues command
 	virtual void			ClientCommandKeyValues( CPlayerSlot slot, KeyValues *pKeyValues ) = 0;
+	
+	virtual void			unk001() = 0;
 
 	virtual bool			ClientCanPause( CPlayerSlot slot ) = 0;
 
@@ -629,18 +631,18 @@ public:
 
 	virtual IHLTVDirector	*GetHLTVDirector( void ) = 0;
 
-	virtual void			unk002( CPlayerSlot slot ) = 0;
-	virtual void			unk003( CPlayerSlot slot ) = 0;
+	virtual void			unk101( CPlayerSlot slot ) = 0;
+	virtual void			unk102( CPlayerSlot slot ) = 0;
 
-	// Something NetMessage related
-	virtual void			unk004() = 0;
+	// Handles incoming usermessages from the client
+	virtual void			ClientSvcUserMessage( CPlayerSlot slot, int um_type, uint32 size, const void *buf ) = 0;
 
 	// Something pawn related
-	virtual void			unk005() = 0;
-	virtual void			unk006() = 0;
+	virtual void			unk201() = 0;
+	virtual void			unk202() = 0;
 
-	virtual void			unk007() = 0;
-	virtual void			unk008() = 0;
+	virtual void			unk203() = 0;
+	virtual void			unk204() = 0;
 };
 
 typedef IVEngineServer2 IVEngineServer;
diff --git a/public/networksystem/iprotobufbinding.h b/public/networksystem/iprotobufbinding.h
index 3b6c095c..fbb0ca80 100644
--- a/public/networksystem/iprotobufbinding.h
+++ b/public/networksystem/iprotobufbinding.h
@@ -10,6 +10,8 @@
 #include <inetchannel.h>
 #include "Color.h"
 
+class CNetMessage;
+
 abstract_class IProtobufBinding
 {
 public:
@@ -22,15 +24,9 @@ public:
 	virtual Color GetGroupColor() = 0;
 	virtual NetChannelBufType_t GetBufType() = 0;
 
-	virtual bool ReadFromBuffer(void *pData, bf_read &pBuf) = 0;
-	virtual bool WriteToBuffer(const void *pData, bf_write &pBuf) = 0;
-
-	virtual void *AllocateMessage() = 0;
-	virtual void DeallocateMessage(void *pMsg) = 0;
-	virtual void *AllocateAndCopyConstructNetMessage(const void *pOther) = 0;
+	virtual CNetMessage *AllocateMessage() = 0;
 
 	virtual bool OkToRedispatch() = 0;
-	virtual void Copy(const void *pFrom, void *pTo) = 0;
 	virtual bool unk001() = 0;
 };