diff --git a/proxy/handlers.go b/proxy/handlers.go
index 40be410..7efc91f 100644
--- a/proxy/handlers.go
+++ b/proxy/handlers.go
@@ -1,7 +1,6 @@
 package proxy
 
 import (
-	"fmt"
 	"log"
 	"regexp"
 	"strings"
@@ -174,10 +173,10 @@ func (s *ProxyServer) handleGetBlockByNumberRPC() *rpc.GetBlockReplyPart {
 	return reply
 }
 
-// handleUnknownRPC handles incoming requests with unknown methods
-func (s *ProxyServer) handleUnknownRPC(cs *Session, method string) *ErrorReply {
-	// Implement your logic for handling unknown methods here
-	// For example, you can return a custom error indicating that the method is not supported
-	errMsg := fmt.Sprintf("Method %s not supported", method)
-	return &ErrorReply{Code: -32601, Message: errMsg}
-}
\ No newline at end of file
+// handleUnknownRPC handles an unknown RPC request method.
+// It logs an error and returns an error reply.
+func (s *ProxyServer) handleUnknownRPC(cs *Session, m string) *ErrorReply {
+	log.Printf("Unknown request method %s from %s", m, cs.ip)
+	s.policy.ApplyMalformedPolicy(cs.ip)
+	return &ErrorReply{Code: -3, Message: "Method not found"}
+}
diff --git a/proxy/stratum.go b/proxy/stratum.go
index a6f1e2e..d412867 100644
--- a/proxy/stratum.go
+++ b/proxy/stratum.go
@@ -5,7 +5,6 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"io"
 	"log"
 	"math/rand"
@@ -393,12 +392,8 @@ func (cs *Session) handleTCPMessage(s *ProxyServer, req *StratumReq) error {
 		return cs.sendTCPResult(req.Id, &reply)
 
 	case "eth_submitHashrate":
-		// Return an error indicating that the method is not supported
-		errMsg := fmt.Sprintf("Method %s not supported", req.Method)
-		errReply := &ErrorReply{Code: -32601, Message: errMsg}
-		return cs.sendTCPError(req.Id, errReply)
+		return cs.sendTCPResult(req.Id, true)
 	default:
-		// Handle unknown methods
 		errReply := s.handleUnknownRPC(cs, req.Method)
 		return cs.sendTCPError(req.Id, errReply)
 	}