diff --git a/doc/htconfig.md b/doc/htconfig.md
index aeb0c92022..dd7ab8047c 100644
--- a/doc/htconfig.md
+++ b/doc/htconfig.md
@@ -44,6 +44,7 @@ Example: To set the directory value please add this line to your .htconfig.php:
 * **dlogfile - location of the developer log file
 * **event_input_format** - Default value is "ymd".
 * **frontend_worker_timeout** - Value in minutes after we think that a frontend task was killed by the webserver. Default value is 10.
+* **hsts** (Boolean) - Enables the sending of HTTP Strict Transport Security headers
 * **ignore_cache** (Boolean) - For development only. Disables the item cache.
 * **like_no_comment** (Boolean) - Don't update the "commented" value of an item when it is liked.
 * **local_block** (Boolean) - Used in conjunction with "block_public".
diff --git a/include/api.php b/include/api.php
index e7c320e62d..45c9ed2554 100644
--- a/include/api.php
+++ b/include/api.php
@@ -2233,7 +2233,7 @@ $called_api = null;
 
 		//don't send title to regular StatusNET requests to avoid confusing these apps
 		if (x($_GET, 'getText')) {
-			$ret['title'] = $item['title'] ;
+			$ret['title'] = $item['title'];
 			if ($_GET['getText'] == 'html') {
 				$ret['text'] = bbcode($item['body'], false, false);
 			} elseif ($_GET['getText'] == 'plain') {
@@ -2276,18 +2276,32 @@ $called_api = null;
 
 		$statushtml = trim(bbcode($body, false, false));
 
+		// Workaround for clients with limited HTML parser functionality
 		$search = array("<br>", "<blockquote>", "</blockquote>",
 				"<h1>", "</h1>", "<h2>", "</h2>",
 				"<h3>", "</h3>", "<h4>", "</h4>",
 				"<h5>", "</h5>", "<h6>", "</h6>");
-		$replace = array("<br>\n", "\n<blockquote>", "</blockquote>\n",
-				"\n<h1>", "</h1>\n", "\n<h2>", "</h2>\n",
-				"\n<h3>", "</h3>\n", "\n<h4>", "</h4>\n",
-				"\n<h5>", "</h5>\n", "\n<h6>", "</h6>\n");
+		$replace = array("<br>", "<br><blockquote>", "</blockquote><br>",
+				"<br><h1>", "</h1><br>", "<br><h2>", "</h2><br>",
+				"<br><h3>", "</h3><br>", "<br><h4>", "</h4><br>",
+				"<br><h5>", "</h5><br>", "<br><h6>", "</h6><br>");
 		$statushtml = str_replace($search, $replace, $statushtml);
 
 		if ($item['title'] != "") {
-			$statushtml = "<h4>" . bbcode($item['title']) . "</h4>\n" . $statushtml;
+			$statushtml = "<br><h4>" . bbcode($item['title']) . "</h4><br>" . $statushtml;
+		}
+
+		do {
+			$oldtext = $statushtml;
+			$statushtml = str_replace("<br><br>", "<br>", $statushtml);
+		} while ($oldtext != $statushtml);
+
+		if (substr($statushtml, 0, 4) == '<br>') {
+			$statushtml = substr($statushtml, 4);
+		}
+
+		if (substr($statushtml, 0, -4) == '<br>') {
+			$statushtml = substr($statushtml, -4);
 		}
 
 		// feeds without body should contain the link
diff --git a/include/session.php b/include/session.php
index 5194e7ef0e..af871b28a1 100644
--- a/include/session.php
+++ b/include/session.php
@@ -2,6 +2,8 @@
 // Session management functions. These provide database storage of PHP
 // session info.
 
+use Friendica\Core\Config;
+
 require_once('include/cache.php');
 
 $session_exists = 0;
@@ -114,6 +116,10 @@ ini_set('session.gc_probability', $gc_probability);
 ini_set('session.use_only_cookies', 1);
 ini_set('session.cookie_httponly', 1);
 
+if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) {
+	ini_set('session.cookie_secure', 1);
+}
+
 if (!get_config('system', 'disable_database_session')) {
 	session_set_save_handler('ref_session_open', 'ref_session_close',
 				'ref_session_read', 'ref_session_write',
diff --git a/index.php b/index.php
index 5b4cea756b..d3d2e42ae6 100644
--- a/index.php
+++ b/index.php
@@ -489,6 +489,19 @@ $profile = $a->profile;
 header("X-Friendica-Version: " . FRIENDICA_VERSION);
 header("Content-type: text/html; charset=utf-8");
 
+if (Config::get('system', 'hsts') && (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL)) {
+	header("Strict-Transport-Security: max-age=31536000");
+}
+
+// Some security stuff
+header('X-Content-Type-Options: nosniff');
+header('X-XSS-Protection: 1; mode=block');
+header('X-Permitted-Cross-Domain-Policies: none');
+header('X-Frame-Options: sameorigin');
+
+// Things like embedded OSM maps don't work, when this is enabled
+// header("Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; connect-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self'; img-src 'self' https: data:; media-src 'self' https:; child-src 'self' https:; object-src 'none'");
+
 /*
  * We use $_GET["mode"] for special page templates. So we will check if we have
  * to load another page template than the default one.