diff --git a/app_test/raft_anim.lua b/app_test/raft_anim.lua
index d4f248b..34405d4 100644
--- a/app_test/raft_anim.lua
+++ b/app_test/raft_anim.lua
@@ -2,12 +2,15 @@
 
 Raft leader election implementation with anim log (see tools)
 
+With 5 nodes 
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <topology>
   <vertices>
     <vertex int_idx="1" role="virtnode" int_vn="1"/>
     <vertex int_idx="2" role="virtnode" int_vn="2"/>
     <vertex int_idx="3" role="virtnode" int_vn="3"/>
+    <vertex int_idx="4" role="virtnode" int_vn="4"/>
+    <vertex int_idx="5" role="virtnode" int_vn="5"/>
   </vertices>
   <edges>
     <edge int_idx="1" int_src="1" int_dst="2" specs="normal"/>
@@ -16,6 +19,20 @@ Raft leader election implementation with anim log (see tools)
     <edge int_idx="4" int_src="2" int_dst="3" specs="normal"/>
     <edge int_idx="5" int_src="3" int_dst="1" specs="normal"/>
     <edge int_idx="6" int_src="3" int_dst="2" specs="normal"/>
+    <edge int_idx="7" int_src="1" int_dst="4" specs="normal"/>
+    <edge int_idx="8" int_src="1" int_dst="5" specs="normal"/>
+    <edge int_idx="9" int_src="2" int_dst="4" specs="normal"/>
+    <edge int_idx="10" int_src="2" int_dst="5" specs="normal"/>
+    <edge int_idx="11" int_src="3" int_dst="4" specs="normal"/>
+    <edge int_idx="12" int_src="3" int_dst="5" specs="normal"/>
+    <edge int_idx="13" int_src="4" int_dst="1" specs="normal"/>
+    <edge int_idx="14" int_src="4" int_dst="2" specs="normal"/>
+    <edge int_idx="15" int_src="4" int_dst="3" specs="normal"/>
+    <edge int_idx="16" int_src="4" int_dst="5" specs="normal"/>
+    <edge int_idx="17" int_src="5" int_dst="1" specs="normal"/>
+    <edge int_idx="18" int_src="5" int_dst="2" specs="normal"/>
+    <edge int_idx="19" int_src="5" int_dst="4" specs="normal"/>
+    <edge int_idx="20" int_src="5" int_dst="3" specs="normal"/>
   </edges>
   <specs>
     <normal dbl_kbps="1520" int_delayms="200"/>
@@ -169,6 +186,8 @@ end
 
 function trigger_heart_timeout()
     state.term = state.term + 1
+    -- For crash the leader sometime (replace Crash -> CRASH)
+    -- CRASH POINT 1 2 3 4 5 : RECOVERY 1 : RANDOM 0.05
     for k, s in pairs(sockets) do
         if s ~= nil then
             aSendData(s,heartbeat_msg.." "..state.term)
@@ -283,7 +302,7 @@ events.run(function()
     set_election_timeout()
     
     -- Stop after 10 seconds
-    events.sleep(20)
+    events.sleep(35)
     print("ANIM EXIT "..job.position)
     events.exit()
 end)
diff --git a/app_test/security_issue_example.lua b/app_test/security_issue_example.lua
new file mode 100644
index 0000000..82ff923
--- /dev/null
+++ b/app_test/security_issue_example.lua
@@ -0,0 +1,85 @@
+--[[
+WITH this topology and 2 slayds, by pass the topology <-
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<topology>
+	<vertices>
+		<vertex int_idx="1" role="virtnode" int_vn="1" />
+		<vertex int_idx="2" role="virtnode" int_vn="2" />
+	</vertices>
+	<edges>
+		<edge int_idx="1" int_src="1" int_dst="2" specs="client-stub" int_delayms="250" />
+		<edge int_idx="2" int_src="2" int_dst="1" specs="client-stub" int_delayms="1000" />
+	</edges>
+	<specs>
+		<client-stub dbl_plr="0" dbl_kbps="10000" int_delayms="5" int_qlen="10" />
+	</specs>
+</topology>
+]]--
+package.loaded["socket"] = nil
+package.loaded["socket.core"] = nil
+package.loaded["splay.socket"] = nil
+
+
+print("SIMPLE_TOPO.LUA START")
+socket = require("socket.core")
+
+require("splay.base")
+socket = require("socket.core")
+
+local events=require("splay.events")
+local rpc=require("splay.rpc")
+local net = require("splay.net")
+local misc = require("splay.misc")
+socket = require("socket.core")
+
+
+local rtt = 0
+local t_end = 0
+
+function print_server(data, ip, port)
+    print("<<< "..ip..":"..port.." : "..data)
+    if data == "hello" then
+        u.s:sendto("world", ip, port)
+    else
+        t_end = misc.time()
+    end
+end
+print("Start UDP server")
+u = net.udp_helper(job.me.port, print_server)
+
+events.run(function()
+
+    print("Wait 2 seconds")
+    events.sleep(2)
+    print("Start send hello")
+
+    local start = misc.time()
+    for i, n in pairs(job.nodes) do
+        if i ~= job.position then
+            print(">>> "..n.ip..":"..n.port.." : hello")
+            u.s:sendto("hello", n.ip, n.port)
+        end
+    end
+
+    events.sleep(4)
+
+    if t_end == 0 then
+        local start = misc.time()
+        for i, n in pairs(job.nodes) do
+            if i ~= job.position then
+                print(">>> "..n.ip..":"..n.port.." : hello")
+                u.s:sendto("hello", n.ip, n.port)
+            end
+        end
+
+        events.sleep(4)
+    end
+
+    final_time = t_end - start
+    print("Time to n1 -> hello -> n2 -> world -> n1 : "..final_time)
+    print("FINAL RTT : "..final_time.." sec")
+
+    events.kill(u.server)
+end)
+
+print("SIMPLE_TOPO.LUA EXIT")
diff --git a/app_test/simple_topo_lat.lua b/app_test/simple_topo_lat.lua
index c02c1c7..69cd3b9 100644
--- a/app_test/simple_topo_lat.lua
+++ b/app_test/simple_topo_lat.lua
@@ -11,7 +11,7 @@ WITH this topology and 2 slayds
 		<edge int_idx="2" int_src="2" int_dst="1" specs="client-stub" int_delayms="1000" />
 	</edges>
 	<specs>
-		<client-stub dbl_plr="0" dbl_kbps="50" int_delayms="5" int_qlen="10" />
+		<client-stub dbl_plr="0" dbl_kbps="10000" int_delayms="5" int_qlen="10" />
 	</specs>
 </topology>
 ]]--