diff --git a/README.md b/README.md
index 93558c6..1fd809b 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,14 @@
 # DICE-Fault-Injection-Tool
 DICE Fault Injection tool, used to generate faults within Virtual Machines and a FCO Cloud Provider.
+To access the VM level and issue commands the DICE tools use JSCH (http://www.jcraft.com/jsch/) to SSH to the Virtual Machines.
+
+
 
 Current User/VM level faults:
 * Shutdown random VM (Ignore tagged VM with "noshutdown" in random selection)
-* High CPU for VM
-* High Memeory usage for VM
+* High CPU for VM (Using Stress tool)
+* High Memeory usage for VM (Using Memtest tool)
+* Block VM external access (Using ufw)
 
 ### CommandLineParameters:
 
@@ -13,3 +17,4 @@ Current User/VM level faults:
     > -m,--stressmem <host,vmpassword,memorytesterloops,memeorytotal> Stress VM Memory.
     > -r,--randomVM <cloudusername, cloudpassword, vmpassword, host> Shutdown random VM within FCO.
     > -s,--stresscpu <cores, stresstime, vmpassword, host> Stress VM CPU.
+    > -b,--blockfirewall <host, vmpassword> Block external communication from Firewall.