diff --git a/Dockerfile b/Dockerfile
index 742ddec..d532505 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,11 +41,11 @@ RUN apk --no-cache --no-progress upgrade && \
     echo '   recycle:versions = yes' >>$file && \
     echo '' >>$file && \
     echo '   # Security' >>$file && \
-    echo '   client ipc max protocol = default' >>$file && \
+    echo '   client ipc max protocol = SMB3' >>$file && \
     echo '   client ipc min protocol = SMB2_10' >>$file && \
-    echo '   client max protocol = default' >>$file && \
-    echo '   server max protocol = default' >>$file && \
+    echo '   client max protocol = SMB3' >>$file && \
     echo '   client min protocol = SMB2_10' >>$file && \
+    echo '   server max protocol = SMB3' >>$file && \
     echo '   server min protocol = SMB2_10' >>$file && \
     echo '' >>$file && \
     echo '   # Time Machine' >>$file && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 96ca812..b5ee447 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -42,11 +42,11 @@ RUN apk --no-cache --no-progress upgrade && \
     echo '   recycle:versions = yes' >>$file && \
     echo '' >>$file && \
     echo '   # Security' >>$file && \
-    echo '   client ipc max protocol = default' >>$file && \
+    echo '   client ipc max protocol = SMB3' >>$file && \
     echo '   client ipc min protocol = SMB2_10' >>$file && \
-    echo '   client max protocol = default' >>$file && \
-    echo '   server max protocol = default' >>$file && \
+    echo '   client max protocol = SMB3' >>$file && \
     echo '   client min protocol = SMB2_10' >>$file && \
+    echo '   server max protocol = SMB3' >>$file && \
     echo '   server min protocol = SMB2_10' >>$file && \
     echo '' >>$file && \
     echo '   # Time Machine' >>$file && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 267514a..7f2f284 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -42,11 +42,11 @@ RUN apk --no-cache --no-progress upgrade && \
     echo '   recycle:versions = yes' >>$file && \
     echo '' >>$file && \
     echo '   # Security' >>$file && \
-    echo '   client ipc max protocol = default' >>$file && \
+    echo '   client ipc max protocol = SMB3' >>$file && \
     echo '   client ipc min protocol = SMB2_10' >>$file && \
-    echo '   client max protocol = default' >>$file && \
-    echo '   server max protocol = default' >>$file && \
+    echo '   client max protocol = SMB3' >>$file && \
     echo '   client min protocol = SMB2_10' >>$file && \
+    echo '   server max protocol = SMB3' >>$file && \
     echo '   server min protocol = SMB2_10' >>$file && \
     echo '' >>$file && \
     echo '   # Time Machine' >>$file && \