diff --git a/telme10.service b/telme10.service
index e0396ab..dadb0d6 100644
--- a/telme10.service
+++ b/telme10.service
@@ -6,7 +6,8 @@ After=local-fs.target
 User=telme10
 Group=telme10
 Type=simple
-ExecStart=/usr/local/bin/telme10
+ExecStart=/usr/local/bin/telme10 [::]:23
+AmbientCapabilities=CAP_NET_BIND_SERVICE
 PrivateTmp=yes
 PrivateDevices=yes
 ProtectSystem=full