[Dshield] Look at this Nitwit

Doug Douglass hostmaster at denverdata.com
Wed Jan 28 23:00:17 GMT 2004

On Wednesday 28 January 2004 03:40 pm, David Hart wrote:

> How do you feel about a zero-byte default.ida? It saves some cycles. any
> downside?

Depends on what response you want your web server to give back to the request.

We trap and redirect these and other known exploit requests via mod_rewrite 
rules to a script which, amongst other things, adds a "deny from <request 
ip>" to the web server and gives back a response code of our liking. Nothing 
fancy, there's many examples around the net.

BTW: Eventually, this info will feed into other systems that may update 
tcpwrappers, iptables, etc. (possibly on other hosts) to shutdown the traffic 
at the network level.


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