diff --git a/NEWS b/NEWS
index 64b9472..3cafabe 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,8 @@
   * Timestamp request and response because syslog doesn't record year
     nor sub-second resolution.
 
+  * Log whether HTTPS is used or not.
+
 * Version 2.6 released 2010-08-02
 
   * Don't use rowCount in ykval-revoke, there seems to be some problem
diff --git a/ykval-verify.php b/ykval-verify.php
index 81b8b5b..8564bcb 100644
--- a/ykval-verify.php
+++ b/ykval-verify.php
@@ -10,7 +10,8 @@ header("content-type: text/plain");
 $myLog = new Log('ykval-verify');
 $myLog->addField('ip', $_SERVER['REMOTE_ADDR']);
 $myLog->log(LOG_INFO, "Request: " . $_SERVER['QUERY_STRING'] .
-	    " (at " . date("c") . " " . microtime() . ")");
+	    " (at " . date("c") . " " . microtime() . ") " .
+	    ($_SERVER["HTTPS"] == "on" ? "HTTPS" : "HTTP"));
 
 /* Detect protocol version */
 if (preg_match("/\/wsapi\/([0-9]+)\.([0-9]+)\//", $_SERVER['REQUEST_URI'], $out)) {