[c-nsp] route rules for spooling

Justin M. Streiner streiner at cluebyfour.org
Fri Dec 9 08:57:34 EST 2011

On Fri, 9 Dec 2011, Deric Kwok wrote:

> Does cisco have routing rules to prevent spooling?

I'm assuming you mean spoofing instead of spooling?

> how can I prevent the source ip other than this network to go out?

You can use ACLs and/or unicast RPF.  There are numerous examples of both 
on Cisco's website, other sources online, and probably in the archives of 
this list.  Those would be good starting points for you to look at.


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