If you're running on CFMX you can do this without a custom tag:
<!--- sleep time in milli-seconds --->
<cfset sleepTime = 5000>
<cfset createObject("java","java.lang.Thread").sleep(sleepTime)>
Spiie
Kym Kovan wrote:
> Hi Paul,
>
>
>>We've just had one of our sites 'stolen' by someone in the philipines using
>>an application called iCollect... I got tracert logs etc and will be
>>following up on this....
>>
>>In the meantime, does anyone know of any IP / USER_AGENT filters that I can
>>just drop into an application file so that it protects sites against this
>>sort of thing....
>>
>>If not, I'm thinking about writing something that will do this so that I can
>>protect all the sites that we host using CF and I'd like opinions on how I
>>would go about implementing it...
>
>
> The problem is telling the "site stealers" from the, normally legitimate,
> search engines, they can both hit a site pretty hard and affect its
> performance. What you need to do is slow down engines which are hitting the
> site too hard to a degree that they do not affect the sites overall
> performance. Banning an IP address is trickier as they can jump about and
> some hard-hitting search engines use an entire /24 IP address block!
>
> Fortunately the major search engines define themselves quite well in the
> user-agent string so anything that is hitting the server hard that is not one
> of those strings can be considered suspicious.
>
> As you suggested what you need is a tool that:
>
> looks at the hit rate for a particular user-agent/IP address combination;
> compares that with a definition in a server-scope data array;
> if appropriate delay the page hit.
>
> The is a very useful CFX custom tag, CFX_Sleep, that just pauses for a
> defined time with virtually no CPU overhead so applying that for "bad" page
> hits would either make the site crawling engine go away or at least stop it
> overloading the server. Rolling the whole thing into a custom tag sitting in
> application.cfm would not be a hard task.
>
>
> --
>
> Yours,
>
> Kym
>
>
>
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