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Use ASA CX to throttle Bittorrent

scottywc42
Level 1
Level 1

I work in education and best practices are to throttle Bittorrent/p2p to less than 10 kbps. If I outright block it the users will either switch to a different p2p protocol or the Bitorrent client will use evasive trickery to avoid application identification by AVC/context aware.

I've done some Googling and every official Cisco doc said traffic shaping is "not in this release of CX" or did not mention traffic shaping as a feature of ASA Context Aware.

http://www.cisco.com/web/learning/le21/le39/docs/tdw153_qa.pdf

My question is, I know ASA Context Aware can block p2p, but does it support throttling p2p?

1 Accepted Solution

Accepted Solutions

radu.ioncu
Level 1
Level 1

Hi,

Try the latest ASA CX version - 9.2.1.1-48.

Radu

View solution in original post

4 Replies 4

o.melendres
Level 1
Level 1

There is an example for blocking p2p on the ASA firewall,

http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a00808c38a6.shtml

Another one for rate limiting,

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_tech_note09186a008084de0c.shtml#rate

But cannot find and example to do both operations together. Would be nice to have both.

radu.ioncu
Level 1
Level 1

Hi,

Try the latest ASA CX version - 9.2.1.1-48.

Radu

Looks good, have you tested the feature on a production network?

Hi,

I have not tested this exact feature yet; however, this release seems stable enough. Watch out for Firefox compatility, some strange error messages when accesing certain menus, and the fact that although you now have Next Generation IPS embedded and a trial version to boot, this specific feature is not orderable.

Radu

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