diff --git a/radicale/app/__init__.py b/radicale/app/__init__.py
index 28c98802..eabac455 100644
--- a/radicale/app/__init__.py
+++ b/radicale/app/__init__.py
@@ -252,7 +252,7 @@ class Application(ApplicationPartDelete, ApplicationPartHead,
                 self.configuration, environ, base64.b64decode(
                     authorization.encode("ascii"))).split(":", 1)
 
-        user = self._auth.login(login, password) or "" if login else ""
+        (user, info) = self._auth.login(login, password) or ("", "") if login else ("", "")
         if self.configuration.get("auth", "type") == "ldap":
             try:
                 logger.debug("Groups %r", ",".join(self._auth._ldap_groups))
@@ -260,12 +260,12 @@ class Application(ApplicationPartDelete, ApplicationPartHead,
             except AttributeError:
                 pass
         if user and login == user:
-            logger.info("Successful login: %r", user)
+            logger.info("Successful login: %r (%s)", user, info)
         elif user:
-            logger.info("Successful login: %r -> %r", login, user)
+            logger.info("Successful login: %r -> %r (%s)", login, user, info)
         elif login:
-            logger.warning("Failed login attempt from %s: %r",
-                           remote_host, login)
+            logger.warning("Failed login attempt from %s: %r (%s)",
+                           remote_host, login, info)
             # Random delay to avoid timing oracles and bruteforce attacks
             if self._auth_delay > 0:
                 random_delay = self._auth_delay * (0.5 + random.random())
diff --git a/radicale/auth/__init__.py b/radicale/auth/__init__.py
index 679ecf9d..c1c7e884 100644
--- a/radicale/auth/__init__.py
+++ b/radicale/auth/__init__.py
@@ -143,7 +143,8 @@ class BaseAuth:
         raise NotImplementedError
 
     @final
-    def login(self, login: str, password: str) -> str:
+    def login(self, login: str, password: str) -> Tuple[str, str]:
+        result_from_cache = False
         if self._lc_username:
             login = login.lower()
         if self._uc_username:
@@ -182,7 +183,7 @@ class BaseAuth:
                 (time_ns_cache, login_cache) = self._cache_failed[digest]
                 age_failed = int((time_ns - time_ns_cache) / 1000 / 1000 / 1000)
                 logger.debug("Login failed cache entry for user+password found: '%s' (age: %d sec)", login_cache, age_failed)
-                return ""
+                return ("", self._type + " / cached")
             if self._cache_successful.get(login):
                 # login found in cache "successful"
                 (digest_cache, time_ns_cache) = self._cache_successful[login]
@@ -197,6 +198,7 @@ class BaseAuth:
                     else:
                         logger.debug("Login successful cache entry for user+password found: '%s' (age: %d sec)", login, age_success)
                         result = login
+                        result_from_cache = True
                 else:
                     logger.debug("Login successful cache entry for user+password not matching: '%s'", login)
             else:
@@ -225,6 +227,9 @@ class BaseAuth:
                     self._cache_failed[digest_failed] = (time_ns, login)
                     self._lock.release()
                     logger.debug("Login failed cache for user set: '%s'", login)
-            return result
+            if result_from_cache is True:
+                return (result, self._type + " / cached")
+            else:
+                return (result, self._type)
         else:
-            return self._login(login, password)
+            return (self._login(login, password), self._type)