diff --git a/DOCUMENTATION.md b/DOCUMENTATION.md
index a80d536c..4cc6def9 100644
--- a/DOCUMENTATION.md
+++ b/DOCUMENTATION.md
@@ -934,31 +934,31 @@ Default: `True`
 
 Log bad PUT request content (for further diagnostics)
 
-Default: `False'
+Default: `False`
 
 ##### backtrace_on_debug
 
 Log backtrace on level=debug
 
-Default: `True'
+Default: `False`
 
 ##### request_header_on_debug
 
 Log request on level=debug
 
-Default: `True'
+Default: `False`
 
 ##### request_content_on_debug
 
 Log request on level=debug
 
-Default: `True'
+Default: `False`
 
 ##### response_content_on_debug = True
 
 Log response on level=debug
 
-Default: `True'
+Default: `False`
 
 #### headers
 
diff --git a/config b/config
index c7939433..114820ad 100644
--- a/config
+++ b/config
@@ -145,16 +145,16 @@
 #bad_put_request_content = False
 
 # Log backtrace on level=debug
-#backtrace_on_debug = True
+#backtrace_on_debug = False
 
 # Log request header on level=debug
-#request_header_on_debug = True
+#request_header_on_debug = False
 
 # Log request content on level=debug
-#request_content_on_debug = True
+#request_content_on_debug = False
 
 # Log response content on level=debug
-#response_content_on_debug = True
+#response_content_on_debug = False
 
 
 [headers]
diff --git a/radicale/config.py b/radicale/config.py
index df3ec39a..967580cb 100644
--- a/radicale/config.py
+++ b/radicale/config.py
@@ -273,19 +273,19 @@ DEFAULT_CONFIG_SCHEMA: types.CONFIG_SCHEMA = OrderedDict([
             "help": "log bad PUT request content",
             "type": bool}),
         ("backtrace_on_debug", {
-            "value": "True",
+            "value": "False",
             "help": "log backtrace on level=debug",
             "type": bool}),
         ("request_header_on_debug", {
-            "value": "True",
+            "value": "False",
             "help": "log request header on level=debug",
             "type": bool}),
         ("request_content_on_debug", {
-            "value": "True",
+            "value": "False",
             "help": "log request content on level=debug",
             "type": bool}),
         ("response_content_on_debug", {
-            "value": "True",
+            "value": "False",
             "help": "log response content on level=debug",
             "type": bool}),
         ("mask_passwords", {