diff --git a/apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java b/apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java
index 51c9373b0..905c27cee 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java
@@ -198,6 +198,7 @@ public class SnarkManager implements Snark.CompleteListener {
         String ot = _config.getProperty(I2PSnarkUtil.PROP_OPENTRACKERS);
         if (ot != null)
             _util.setOpenTrackerString(ot);
+        // FIXME set util use open trackers property somehow
         getDataDir().mkdirs();
     }
     
@@ -428,6 +429,14 @@ public class SnarkManager implements Snark.CompleteListener {
                     fis.close();
                     fis = null;
                     
+                    if (!TrackerClient.isValidAnnounce(info.getAnnounce())) {
+                        if (_util.shouldUseOpenTrackers() && _util.getOpenTrackers() != null) {
+                            addMessage(_("Warning - Ignoring non-i2p tracker in \"{0}\", will announce to i2p open trackers only", info.getName()));
+                        } else {
+                            addMessage(_("Warning - Ignoring non-i2p tracker in \"{0}\", and open trackers are disabled, you must enable open trackers before starting the torrent!", info.getName()));
+                            dontAutoStart = true;
+                        }
+                    }
                     String rejectMessage = locked_validateTorrent(info);
                     if (rejectMessage != null) {
                         sfile.delete();
@@ -551,12 +560,10 @@ public class SnarkManager implements Snark.CompleteListener {
         saveConfig();
     }
     
+    /**
+     *  Warning - does not validate announce URL - use TrackerClient.isValidAnnounce()
+     */
     private String locked_validateTorrent(MetaInfo info) throws IOException {
-        String announce = info.getAnnounce();
-        // basic validation of url
-        if ((!announce.startsWith("http://")) ||
-            (announce.indexOf(".i2p/") < 0)) // need to do better than this
-            return _("Non-i2p tracker in \"{0}\", deleting it from our list of trackers!", info.getName());
         List files = info.getFiles();
         if ( (files != null) && (files.size() > MAX_FILES_PER_TORRENT) ) {
             return _("Too many files in \"{0}\" ({1}), deleting it!", info.getName(), files.size());
diff --git a/apps/i2psnark/java/src/org/klomp/snark/TrackerClient.java b/apps/i2psnark/java/src/org/klomp/snark/TrackerClient.java
index 309fd62b5..c6f22a63d 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/TrackerClient.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/TrackerClient.java
@@ -24,6 +24,8 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
@@ -123,13 +125,19 @@ public class TrackerClient extends I2PAppThread
     // followed by the secondary open trackers
     // It's painful, but try to make sure if an open tracker is also
     // the primary tracker, that we don't add it twice.
+    // todo: check for b32 matches as well
     trackers = new ArrayList(2);
-    trackers.add(new Tracker(meta.getAnnounce(), true));
+    String primary = meta.getAnnounce();
+    if (isValidAnnounce(primary)) {
+        trackers.add(new Tracker(meta.getAnnounce(), true));
+    } else {
+        _log.warn("Skipping invalid or non-i2p announce: " + primary);
+    }
     List tlist = _util.getOpenTrackers();
     if (tlist != null) {
         for (int i = 0; i < tlist.size(); i++) {
              String url = (String)tlist.get(i);
-             if (!url.startsWith("http://")) {
+             if (!isValidAnnounce(url)) {
                 _log.error("Bad announce URL: [" + url + "]");
                 continue;
              }
@@ -138,22 +146,29 @@ public class TrackerClient extends I2PAppThread
                 _log.error("Bad announce URL: [" + url + "]");
                 continue;
              }
-             if (meta.getAnnounce().startsWith(url.substring(0, slash)))
+             if (primary.startsWith(url.substring(0, slash)))
                 continue;
              String dest = _util.lookup(url.substring(7, slash));
              if (dest == null) {
                 _log.error("Announce host unknown: [" + url + "]");
                 continue;
              }
-             if (meta.getAnnounce().startsWith("http://" + dest))
+             if (primary.startsWith("http://" + dest))
                 continue;
-             if (meta.getAnnounce().startsWith("http://i2p/" + dest))
+             if (primary.startsWith("http://i2p/" + dest))
                 continue;
              trackers.add(new Tracker(url, false));
              _log.debug("Additional announce: [" + url + "] for infoHash: " + infoHash);
         }
     }
 
+    if (tlist.size() <= 0) {
+        // FIXME really need to get this message to the gui
+        stop = true;
+        _log.error("No valid trackers for infoHash: " + infoHash);
+        return;
+    }
+
     long uploaded = coordinator.getUploaded();
     long downloaded = coordinator.getDownloaded();
     long left = coordinator.getLeft();
@@ -399,6 +414,22 @@ public class TrackerClient extends I2PAppThread
     return sb.toString();
   }
 
+  /**
+   *  @return true for i2p hosts only
+   *  @since 0.7.12
+   */
+  static boolean isValidAnnounce(String ann) {
+    URL url;
+    try {
+       url = new URL(ann);
+    } catch (MalformedURLException mue) {
+       return false;
+    }
+    return url.getProtocol().equals("http") &&
+           (url.getHost().endsWith(".i2p") || url.getHost().equals("i2p")) &&
+           url.getPort() < 0;
+  }
+
   private class Tracker
   {
       String announce;
diff --git a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
index f5e46d5d9..013d70a94 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
@@ -455,8 +455,11 @@ public class I2PSnarkServlet extends HttpServlet {
         int i = filename.lastIndexOf(".torrent");
         if (i > 0)
             filename = filename.substring(0, i);
-        if (filename.length() > MAX_DISPLAYED_FILENAME_LENGTH)
+        String fullFilename = filename;
+        if (filename.length() > MAX_DISPLAYED_FILENAME_LENGTH) {
+            fullFilename = new String(filename);
             filename = filename.substring(0, MAX_DISPLAYED_FILENAME_LENGTH) + "&hellip;";
+        }
         long total = snark.meta.getTotalLength();
         // Early typecast, avoid possibly overflowing a temp integer
         long remaining = (long) snark.storage.needed() * (long) snark.meta.getPieceLength(0); 
@@ -627,13 +630,23 @@ public class I2PSnarkServlet extends HttpServlet {
             out.write("<a href=\"" + uri + "?action=Remove" + parameters
                       + "\" title=\"");
             out.write(_("Remove the torrent from the active list, deleting the .torrent file"));
-            out.write("\">");
+            out.write("\" onclick=\"if (!confirm('");
+            // Can't figure out how to escape double quotes inside the onclick string.
+            // Single quotes in translate strings with parameters must be doubled.
+            // Then the remaining single quite must be escaped
+            out.write(_("Are you sure you want to delete the file \\''{0}.torrent\\'' (downloaded data will not be deleted) ?", fullFilename));
+            out.write("')) { return false; }\">");
             out.write(_("Remove"));
             out.write("</a><br>");
             out.write("<a href=\"" + uri + "?action=Delete" + parameters
                       + "\" title=\"");
             out.write(_("Delete the .torrent file and the associated data file(s)"));
-            out.write("\">");
+            out.write("\" onclick=\"if (!confirm('");
+            // Can't figure out how to escape double quotes inside the onclick string.
+            // Single quotes in translate strings with parameters must be doubled.
+            // Then the remaining single quite must be escaped
+            out.write(_("Are you sure you want to delete the torrent \\''{0}\\'' and all downloaded data?", fullFilename));
+            out.write("')) { return false; }\">");
             out.write(_("Delete"));
             out.write("</a>");
         }
diff --git a/apps/routerconsole/java/src/net/i2p/router/web/ConfigClientsHelper.java b/apps/routerconsole/java/src/net/i2p/router/web/ConfigClientsHelper.java
index d66e37e23..bb19f3c47 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/ConfigClientsHelper.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/ConfigClientsHelper.java
@@ -42,11 +42,12 @@ public class ConfigClientsHelper extends HelperBase {
             ClientAppConfig ca = clients.get(cur);
             renderForm(buf, ""+cur, ca.clientName, false, !ca.disabled,
                        "webConsole".equals(ca.clientName) || "Web console".equals(ca.clientName),
-                       ca.className + ((ca.args != null) ? " " + ca.args : ""), (""+cur).equals(_edit), true, false, false);
+                       ca.className + ((ca.args != null) ? " " + ca.args : ""), (""+cur).equals(_edit),
+                       true, false, false, true);
         }
         
         if ("new".equals(_edit))
-            renderForm(buf, "" + clients.size(), "", false, false, false, "", true, false, false, false);
+            renderForm(buf, "" + clients.size(), "", false, false, false, "", true, false, false, false, false);
         buf.append("</table>\n");
         return buf.toString();
     }
@@ -63,7 +64,8 @@ public class ConfigClientsHelper extends HelperBase {
                 String app = name.substring(RouterConsoleRunner.PREFIX.length(), name.lastIndexOf(RouterConsoleRunner.ENABLED));
                 String val = props.getProperty(name);
                 renderForm(buf, app, app, !"addressbook".equals(app),
-                           "true".equals(val), RouterConsoleRunner.ROUTERCONSOLE.equals(app), app + ".war", false, false, false, false);
+                           "true".equals(val), RouterConsoleRunner.ROUTERCONSOLE.equals(app), app + ".war",
+                           false, false, false, false, false);
             }
         }
         buf.append("</table>\n");
@@ -146,7 +148,7 @@ public class ConfigClientsHelper extends HelperBase {
                 desc.append("</table>");
                 renderForm(buf, app, app, false,
                            "true".equals(val), false, desc.toString(), false, false,
-                           updateURL != null, true);
+                           updateURL != null, true, true);
             }
         }
         buf.append("</table>\n");
@@ -156,7 +158,8 @@ public class ConfigClientsHelper extends HelperBase {
     /** ro trumps edit and showEditButton */
     private void renderForm(StringBuilder buf, String index, String name, boolean urlify,
                             boolean enabled, boolean ro, String desc, boolean edit,
-                            boolean showEditButton, boolean showUpdateButton, boolean showStopButton) {
+                            boolean showEditButton, boolean showUpdateButton, boolean showStopButton,
+                            boolean showDeleteButton) {
         buf.append("<tr><td class=\"mediumtags\" align=\"right\" width=\"25%\">");
         if (urlify && enabled) {
             String link = "/";
@@ -190,8 +193,13 @@ public class ConfigClientsHelper extends HelperBase {
             buf.append("<button type=\"submit\" name=\"action\" value=\"Check ").append(index).append("\" >" + _("Check for updates") + "<span class=hide> ").append(index).append("</span></button>");
             buf.append("<button type=\"submit\" name=\"action\" value=\"Update ").append(index).append("\" >" + _("Update") + "<span class=hide> ").append(index).append("</span></button>");
         }
-        if ((!edit) && !ro)
-            buf.append("<button type=\"submit\" name=\"action\" value=\"Delete ").append(index).append("\" >" + _("Delete") + "<span class=hide> ").append(index).append("</span></button>");
+        if (showDeleteButton && (!edit) && !ro) {
+            buf.append("<button type=\"submit\" name=\"action\" value=\"Delete ").append(index)
+               .append("\" onclick=\"if (!confirm('")
+               .append(_("Are you sure you want to delete {0}?", _(name)))
+               .append("')) { return false; }\">")
+               .append(_("Delete")).append("<span class=hide> ").append(index).append("</span></button>");
+        }
         buf.append("</td><td align=\"left\" width=\"50%\">");
         if (edit && !ro) {
             buf.append("<input type=\"text\" size=\"80\" name=\"desc").append(index).append("\" value=\"");
diff --git a/history.txt b/history.txt
index 086f35eee..895bba302 100644
--- a/history.txt
+++ b/history.txt
@@ -1,3 +1,13 @@
+2010-02-22 zzz
+    * configclients.jsp:
+      - Add js delete confirm
+      - Remove delete button for webapps
+    * i2psnark:
+      - Ignore a non-i2p tracker in a torrent rather than deleting
+        the torrent, thus "converting" a torrent to in-netowrk use
+        via the open trackers
+      - Add js delete confirm
+
 2010-02-19 zzz
     * i2psnark: Make file box bigger
     * Plugins:
diff --git a/router/java/src/net/i2p/router/RouterVersion.java b/router/java/src/net/i2p/router/RouterVersion.java
index fb40e5644..687f8db2f 100644
--- a/router/java/src/net/i2p/router/RouterVersion.java
+++ b/router/java/src/net/i2p/router/RouterVersion.java
@@ -18,7 +18,7 @@ public class RouterVersion {
     /** deprecated */
     public final static String ID = "Monotone";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 3;
+    public final static long BUILD = 4;
 
     /** for example "-test" */
     public final static String EXTRA = "";