diff --git a/conf/config.json b/conf/config.json
index 5737538..ebfd2aa 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -36,7 +36,7 @@
     "EnableOpenTracing": false,
     "EnableSecurityFixAlert": true,
     "EnableInsecureOutgoingConnections": false,
-    "AllowedUntrustedInternalConnections": "",
+    "AllowedUntrustedInternalConnections": "api.integrations.mattermost.com",
     "EnableMultifactorAuthentication": false,
     "EnforceMultifactorAuthentication": false,
     "EnableUserAccessTokens": false,