Specialization Software-defined Networking (Winter 2015/2016): Difference between revisions

Specialization Software-defined Networking (Winter 2015/2016) (view source)

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 === 22 March ===
-* Exercise IV: Firewall [https://dl.dropboxusercontent.com/u/1652374/SDN_Course/3.Firewall.zip] (Exempt: )
+==== Exercise III: Firewall ====
+* Topology is the same as that used for loadbalancing
+* (40P) Simple firewall
+** We will be using the load-balancer experiment as basis
+** put blocker.py in pox/ext/blocker.py
+** $ sudo mn --topo single,6 --mac --arp --controller remote
+** $ ./pox.py forwarding.l2_learning blocker py
+*** Note that there is a space between blocker and py to enable interactive mode
+*** or $ ./pox.py forwarding.l2_learning blocker.py --ports=80,8888,8000
+** start Webserver in h1
+*** h1$ python -m SimpleHTTPServer 80
+** Try to perform curl or wget from h2 to h1
+*** h2$ curl 10.0.0.1
+** Then block port 80 in pox controller
+*** pox> block(80)
+*** Now, again try the following and report what happens
+*** h2$ curl 10.0.0.1
+==== Exercise IV:  ====
 === 23 March ===