diff --git a/config-templates/module_proxystatistics.php b/config-templates/module_proxystatistics.php
index f1fd423dde98ac169617eef9b341255e393368cd..c0dfbe25ccf4f5049138545d790f26781d054d69 100644
--- a/config-templates/module_proxystatistics.php
+++ b/config-templates/module_proxystatistics.php
@@ -103,4 +103,10 @@ $config = [
      * Password to protect API write endpoint (has no effect if write is disabled)
      */
     //'apiWritePasswordHash' => password_hash('ap1Wr1T3rP@S$'),
+
+    'ignoredIds' => [
+        'IDP' => ['spentityid1', 'spentityid2', 'spentityid3',],
+        'SP' => ['idpentityid1', 'idpentityid2', 'idpentityid3',],
+    ],
+
 ];
diff --git a/lib/Config.php b/lib/Config.php
index e2a9ea96e281cca7fd2764f84625d50872b3c8a2..fd443dde17b572f087abd0e2f86ec8d3ca5ed1b3 100644
--- a/lib/Config.php
+++ b/lib/Config.php
@@ -41,6 +41,8 @@ class Config
 
     private const API_WRITE_PASSWORD_HASH = 'apiWritePasswordHash';
 
+    private const IGNORED_IDS = 'ignoredIds';
+
     private $config;
 
     private $store;
@@ -63,6 +65,8 @@ class Config
 
     private $apiWritePasswordHash;
 
+    private $ignoredIds;
+
     private static $instance;
 
     private function __construct()
@@ -76,6 +80,7 @@ class Config
         $this->requiredAuthSource = $this->config->getString(self::REQUIRE_AUTH_SOURCE, '');
         $this->idAttribute = $this->config->getString(self::USER_ID_ATTRIBUTE, 'uid');
         $this->apiWriteEnabled = $this->config->getBoolean(self::API_WRITE_ENABLED, false);
+        $this->ignoredIds = $this->config->getArray(self::IGNORED_IDS, []);
         if ($this->apiWriteEnabled) {
             $this->apiWriteUsername = $this->config->getString(self::API_WRITE_USERNAME);
             if (empty(trim($this->apiWriteUsername))) {
@@ -162,4 +167,9 @@ class Config
     {
         return $this->apiWritePasswordHash;
     }
+
+    public function getIgnoredIds()
+    {
+        return $this->ignoredIds;
+    }
 }
diff --git a/lib/DatabaseCommand.php b/lib/DatabaseCommand.php
index 8c92a5178b9115b3a079348703f3dddafeeec852..cfe8089e0134b49b5cbbc2fbb2710c167ba50fad 100644
--- a/lib/DatabaseCommand.php
+++ b/lib/DatabaseCommand.php
@@ -60,6 +60,11 @@ class DatabaseCommand
 
     private $mode;
 
+    private $ignoredIds = [
+        Config::MODE_IDP => [],
+        Config::MODE_SP => [],
+    ];
+
     private $escape_char = '`';
 
     public function __construct()
@@ -73,6 +78,7 @@ class DatabaseCommand
         } else {
             $this->unknownDriver();
         }
+        $this->ignoredIds = array_merge($this->ignoredIds, $this->config->getIgnoredIds());
         $this->tables = array_merge($this->tables, $this->config->getTables());
         $this->mode = $this->config->getMode();
     }
@@ -269,6 +275,18 @@ class DatabaseCommand
 
                 return;
             }
+            $entityId = $entities[$side][self::KEY_ID];
+            if (in_array($entityId, $this->ignoredIds[$side])) {
+                Logger::debug(
+                    sprintf(
+                        "%s EntityId of %s (%s) has been found in the ignored list. Not inserting login.",
+                        self::DEBUG_PREFIX,
+                        $side,
+                        $entityId
+                    )
+                );
+                return;
+            }
         }
 
         $ids = [];