diff --git a/tun_linux.go b/tun_linux.go
index a1b5560..42714b5 100644
--- a/tun_linux.go
+++ b/tun_linux.go
@@ -254,6 +254,10 @@ func (t *NativeTun) Name() (string, error) {
 }
 
 func (t *NativeTun) Start() error {
+	err := t.disableReversePathFilter()
+	if err != nil && t.options.Logger != nil && t.options.FileDescriptor == 0 {
+		t.options.Logger.Warn(E.Cause(err, "disable reverse path filter"))
+	}
 	if t.options.FileDescriptor != 0 {
 		return nil
 	}
@@ -1083,3 +1087,15 @@ func (t *NativeTun) setSearchDomainForSystemdResolved() {
 		_ = shell.Exec(ctlPath, append([]string{"dns", t.options.Name}, common.Map(dnsServer, netip.Addr.String)...)...).Run()
 	}()
 }
+
+func (t *NativeTun) disableReversePathFilter() error {
+	err := os.WriteFile("/proc/sys/net/ipv4/conf/all/rp_filter", []byte{'0'}, 0o644)
+	if err != nil {
+		return err
+	}
+	err = os.WriteFile("/proc/sys/net/ipv4/conf/"+t.options.Name+"/rp_filter", []byte{'0'}, 0o644)
+	if err != nil {
+		return err
+	}
+	return nil
+}