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Exercises firewall: Difference between revisions
→Exercise: Firewall
(Created page with "= Exercise: 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 ...") |
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** We will be using the load-balancer experiment as basis | ** We will be using the load-balancer experiment as basis | ||
** put blocker.py (https://dl.dropboxusercontent.com/u/1652374/SDN_course_WS2015-2016/Exercises/ex3/blocker.py) in pox/ext/blocker.py | ** put blocker.py (https://dl.dropboxusercontent.com/u/1652374/SDN_course_WS2015-2016/Exercises/ex3/blocker.py) in pox/ext/blocker.py | ||
$ sudo mn --topo single,6 --mac --arp --controller remote | |||
$ ./pox/pox.py forwarding.l2_learning blocker py (Note that there is a space between blocker and py to enable interactive mode) | |||
*** or | |||
*** or $ ./pox.py forwarding.l2_learning blocker.py --ports=80,8888,8000 | $ ./pox/pox.py forwarding.l2_learning blocker.py --ports=80,8888,8000 (not recommended) | ||
** start Webserver in h1 | ** start Webserver in h1 | ||
h1$ python -m SimpleHTTPServer 80 | |||
** Try to perform curl or wget from h2 to h1 | ** Try to perform curl or wget from h2 to h1 | ||
h2$ curl 10.0.0.1 | |||
** Then block port 80 in pox controller | ** Then block port 80 in pox controller | ||
pox> block(80) | |||
** Now, again try the following and report what happens | ** Now, again try the following and report what happens | ||
h2$ curl 10.0.0.1 | |||
* (60P) Advanced Firewall ( I will give you hints) | * (60P) Advanced Firewall ( I will give you hints) | ||