diff --git a/core/httpd.js b/core/httpd.js
index e295a7dd..5ff91847 100644
--- a/core/httpd.js
+++ b/core/httpd.js
@@ -364,7 +364,7 @@ function badRequest(client, reason) {
 	var old = gBadRequests[client.peerName];
 	if (!old) {
 		gBadRequests[client.peerName] = {
-			expire: new Date(now.getTime() + 10 * 60 * 1000),
+			expire: new Date(now.getTime() + 1 * 60 * 1000),
 			count: 1,
 			reason: reason,
 		};
diff --git a/core/index.html b/core/index.html
index 2514c3ad..27f38b11 100644
--- a/core/index.html
+++ b/core/index.html
@@ -57,7 +57,7 @@
 				</div>
 			</div>
 			<div id="viewPane" class="vbox" style="flex: 1 0 50%; overflow: auto">
-				<iframe id="document" sandbox="allow-forms allow-scripts allow-top-navigation allow-modals" style="width: 100%; height: 100%; border: 0"></iframe>
+				<iframe id="document" sandbox="allow-forms allow-scripts allow-top-navigation allow-modals" allow="serial" style="width: 100%; height: 100%; border: 0"></iframe>
 			</div>
 		</div>
 		<script src="/split/split.min.js"></script>