diff --git a/weed/command/mount.go b/weed/command/mount.go
index fa75919aa..febc80683 100644
--- a/weed/command/mount.go
+++ b/weed/command/mount.go
@@ -11,19 +11,19 @@ type MountOptions struct {
 	dir                         *string
 	dirAutoCreate               *bool
 	collection                  *string
-	replication                 *string
-	ttlSec                      *int
-	chunkSizeLimitMB            *int
-	concurrentWriters           *int
-	cacheDir                    *string
-	cacheSizeMB                 *int64
-	dataCenter                  *string
-	allowOthers                 *bool
-	umaskString                 *string
-	nonempty                    *bool
-	outsideContainerClusterMode *bool
-	uidMap                      *string
-	gidMap                      *string
+	replication        *string
+	ttlSec             *int
+	chunkSizeLimitMB   *int
+	concurrentWriters  *int
+	cacheDir           *string
+	cacheSizeMB        *int64
+	dataCenter         *string
+	allowOthers        *bool
+	umaskString        *string
+	nonempty           *bool
+	volumeServerAccess *string
+	uidMap             *string
+	gidMap             *string
 }
 
 var (
@@ -50,7 +50,7 @@ func init() {
 	mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
 	mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")
 	mountOptions.nonempty = cmdMount.Flag.Bool("nonempty", false, "allows the mounting over a non-empty directory")
-	mountOptions.outsideContainerClusterMode = cmdMount.Flag.Bool("outsideContainerClusterMode", false, "allows other users to access volume servers with publicUrl")
+	mountOptions.volumeServerAccess = cmdMount.Flag.String("volumeServerAccess", "direct", "access volume servers by [direct|publicUrl|filerProxy]")
 	mountOptions.uidMap = cmdMount.Flag.String("map.uid", "", "map local uid to uid on filer, comma-separated <local_uid>:<filer_uid>")
 	mountOptions.gidMap = cmdMount.Flag.String("map.gid", "", "map local gid to gid on filer, comma-separated <local_gid>:<filer_gid>")
 
diff --git a/weed/command/mount_std.go b/weed/command/mount_std.go
index 8c6072255..26c59a1c7 100644
--- a/weed/command/mount_std.go
+++ b/weed/command/mount_std.go
@@ -179,19 +179,19 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		TtlSec:                      int32(*option.ttlSec),
 		ChunkSizeLimit:              int64(chunkSizeLimitMB) * 1024 * 1024,
 		ConcurrentWriters:           *option.concurrentWriters,
-		CacheDir:                    *option.cacheDir,
-		CacheSizeMB:                 *option.cacheSizeMB,
-		DataCenter:                  *option.dataCenter,
-		EntryCacheTtl:               3 * time.Second,
-		MountUid:                    uid,
-		MountGid:                    gid,
-		MountMode:                   mountMode,
-		MountCtime:                  fileInfo.ModTime(),
-		MountMtime:                  time.Now(),
-		Umask:                       umask,
-		OutsideContainerClusterMode: *mountOptions.outsideContainerClusterMode,
-		Cipher:                      cipher,
-		UidGidMapper:                uidGidMapper,
+		CacheDir:           *option.cacheDir,
+		CacheSizeMB:        *option.cacheSizeMB,
+		DataCenter:         *option.dataCenter,
+		EntryCacheTtl:      3 * time.Second,
+		MountUid:           uid,
+		MountGid:           gid,
+		MountMode:          mountMode,
+		MountCtime:         fileInfo.ModTime(),
+		MountMtime:         time.Now(),
+		Umask:              umask,
+		VolumeServerAccess: *mountOptions.volumeServerAccess,
+		Cipher:             cipher,
+		UidGidMapper:       uidGidMapper,
 	})
 
 	// mount
diff --git a/weed/filesys/wfs.go b/weed/filesys/wfs.go
index 108e23c85..f4e5ac38a 100644
--- a/weed/filesys/wfs.go
+++ b/weed/filesys/wfs.go
@@ -48,9 +48,9 @@ type Option struct {
 	MountCtime time.Time
 	MountMtime time.Time
 
-	OutsideContainerClusterMode bool // whether the mount runs outside SeaweedFS containers
-	Cipher                      bool // whether encrypt data on volume server
-	UidGidMapper                *meta_cache.UidGidMapper
+	VolumeServerAccess string // how to access volume servers
+	Cipher             bool   // whether encrypt data on volume server
+	UidGidMapper       *meta_cache.UidGidMapper
 }
 
 var _ = fs.FS(&WFS{})
@@ -257,7 +257,7 @@ func (wfs *WFS) mapPbIdFromLocalToFiler(entry *filer_pb.Entry) {
 }
 
 func (wfs *WFS) LookupFn() wdclient.LookupFileIdFunctionType {
-	if wfs.option.OutsideContainerClusterMode {
+	if wfs.option.VolumeServerAccess == "filerProxy" {
 		return func(fileId string) (targetUrls []string, err error) {
 			return []string{"http://" + wfs.option.FilerAddress + "/?proxyChunkId=" + fileId}, nil
 		}
diff --git a/weed/filesys/wfs_filer_client.go b/weed/filesys/wfs_filer_client.go
index ef4213af1..671d20ba2 100644
--- a/weed/filesys/wfs_filer_client.go
+++ b/weed/filesys/wfs_filer_client.go
@@ -27,7 +27,7 @@ func (wfs *WFS) WithFilerClient(fn func(filer_pb.SeaweedFilerClient) error) erro
 }
 
 func (wfs *WFS) AdjustedUrl(location *filer_pb.Location) string {
-	if wfs.option.OutsideContainerClusterMode {
+	if wfs.option.VolumeServerAccess == "publicUrl" {
 		return location.PublicUrl
 	}
 	return location.Url
diff --git a/weed/filesys/wfs_write.go b/weed/filesys/wfs_write.go
index 54e114013..4e1e71672 100644
--- a/weed/filesys/wfs_write.go
+++ b/weed/filesys/wfs_write.go
@@ -53,7 +53,7 @@ func (wfs *WFS) saveDataAsChunk(fullPath util.FullPath) filer.SaveDataAsChunkFun
 		}
 
 		fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
-		if wfs.option.OutsideContainerClusterMode {
+		if wfs.option.VolumeServerAccess == "filerProxy" {
 			fileUrl = fmt.Sprintf("http://%s/?proxyChunkId=%s", wfs.option.FilerAddress, fileId)
 		}
 		uploadResult, err, data := operation.Upload(fileUrl, filename, wfs.option.Cipher, reader, false, "", nil, auth)