1 files changed, 2 insertions, 0 deletions

diff --git a/server/middlewares/activitypub.ts b/server/middlewares/activitypub.ts
index 88cf342ee..b1e5b5236 100644
--- a/server/middlewares/activitypub.ts
+++ b/server/middlewares/activitypub.ts
@@ -74,6 +74,8 @@ async function checkHttpSignature (req: Request, res: Response) {
 
   const verified = isHTTPSignatureVerified(parsed, actor)
   if (verified !== true) {
+    logger.warn('Signature from %s is invalid', actorUrl, { parsed })
+
     res.sendStatus(403)
     return false
   }