add scan

intro/modules/ROOT/pages/exer.adoc

@@ -1,12 +1,15 @@
 = Network Scanning - exercises!
   
-== Find All TCP Ports connections
+== Find TCP Ports connections
 
-Connect to master
+* Connect to master
 
 * Find All TCP Ports connections
 ** save it
 
+* Find All UDP Ports connections
+** save it
+
 * run 
 
 [source,bash]
@@ -21,10 +24,22 @@ cd /project/courses/fluentd
 ** save it
 
 
+* Find All UDP Ports connections
+** save it
+
 NOTE:  try to find the differences between them!
 
+== Find All live hosts
+
+* Find All live hosts
+** save it
+
+== Find open TCP Ports in All hosts
+
+* Find All open TCP Ports in All hosts
+** save it
 
-== SSH connection
+== SSH connect
 
 [source,bash]
 ----
@@ -39,9 +54,9 @@ SSH password:
 SUDO password[defaults to SSH password]: 
 ----
 
-password: docker
+password: *docker*
 
-SUDO password: docker
+SUDO password: *docker*