Commit 9396920

@@ -1,3 +1,18 @@
+# Reading
+
+0. SSH, The Secure Shell - [Introduction to SSH](http://docstore.mik.ua/orelly/networking_2ndEd/ssh/ch01_01.htm)
+
+0. SSH Protocol - [RFC 4251](https://www.ietf.org/rfc/rfc4251.txt)
+  
+  * Abstract
+  * 1. Introduction
+  * 4.4. Security Properties
+
+0. SSH Connection Protocol - [RFC 4254](https://www.ietf.org/rfc/rfc4254.txt)
+
+0. SSH Port Forwarding - [Stack Exchange](http://unix.stackexchange.com/a/115906)
+
+# Lab
 
 ## SSH Setup
 
@@ -64,3 +79,7 @@
 0. From the (T1) target location launch a port scan against the third host `10.0.0.3`
 0. Create a local ssh port forward (from your mac) to this location
 0. Connect to the forwarded port with your browser
+
+## Continue
+
+0. Continue 

@@ -3,3 +3,7 @@
 ubuntu@ubuntu:~$ for i in {2..254}; do ping -c 1 -t 1 192.168.1.$i & done
 ubuntu@ubuntu:~$ arp -an | grep -i incomplete
 ```
+
+```
+port scan: for i in {21..1000}; do nc -zw 1 172.16.42.77 $i && echo "$i open"; done;
+```