diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/ConnThrottler.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/ConnThrottler.java
index 26c46e431f..8c43b66a3e 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/ConnThrottler.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/ConnThrottler.java
@@ -39,8 +39,12 @@ class ConnThrottler {
     private final String _action;
     private final Log _log;
     private final DateFormat _fmt;
+    private final SimpleTimer2.TimedEvent _cleaner;
+    private boolean _isRunning;
 
     /*
+     * Caller MUST call start()
+     *
      * @param max per-peer, 0 for unlimited
      * @param totalMax for all peers, 0 for unlimited
      * @param period check window (ms)
@@ -57,7 +61,30 @@ class ConnThrottler {
         // for logging
         _fmt = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM);
         _fmt.setTimeZone(SystemVersion.getSystemTimeZone());
-        new Cleaner();
+        _cleaner = new Cleaner();
+    }
+
+    /*
+     * If already started, has no effect.
+     *
+     * @since 0.9.40
+     */
+    public synchronized void start() {
+        if (_isRunning)
+            return;
+        _isRunning = true;
+        _cleaner.schedule(_checkPeriod);
+    }
+
+    /*
+     * May be restarted.
+     *
+     * @since 0.9.40
+     */
+    public synchronized void stop() {
+        _isRunning = false;
+        _cleaner.cancel();
+        clear();
     }
 
     /*
@@ -176,9 +203,9 @@ class ConnThrottler {
     }
 
     private class Cleaner extends SimpleTimer2.TimedEvent {
-        /** schedules itself */
+        /** must call schedule() later */
         public Cleaner() {
-            super(SimpleTimer2.getInstance(), _checkPeriod);
+            super(SimpleTimer2.getInstance());
         }
 
         public void timeReached() {
diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPServer.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPServer.java
index 58fc9ab473..c4685d6866 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPServer.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPServer.java
@@ -233,6 +233,7 @@ public class I2PTunnelHTTPServer extends I2PTunnelServer {
                     _postThrottler = new ConnThrottler(pp, pt, pw, pb, px, "POST/PUT", _log);
                 else
                     _postThrottler.updateLimits(pp, pt, pw, pb, px);
+                _postThrottler.start();
             }
         }
     }
@@ -254,7 +255,7 @@ public class I2PTunnelHTTPServer extends I2PTunnelServer {
     public boolean close(boolean forced) {
         synchronized(this) {
             if (_postThrottler != null)
-                _postThrottler.clear();
+                _postThrottler.stop();
         }
         return super.close(forced);
     }
diff --git a/history.txt b/history.txt
index a50cf603bf..c552b025cb 100644
--- a/history.txt
+++ b/history.txt
@@ -1,5 +1,15 @@
+2019-04-03 zzz
+ * I2PTunnel: Start/stop POST throttle timer
+
 2019-04-02 zab
- * I2PTunnel: mplement access filtering (ticket #2464
+ * I2PTunnel: Implement access filtering (ticket #2464)
+
+2019-03-31 zzz
+ * Data: Implement Destroyable for private keys (ticket #2462)
+
+2019-03-29 zzz
+ * Crypto: SigContext (WIP) (proposal #148)
+ * NetDB: Persist cached blinding data (proposal #123)
 
 2019-03-27 zzz
  * NetDB: Cache blinding data for lookups and decryption (proposal #123)