Sites stealing content or entire pages from other sites

Is there a way to stop this duplicate content problem using .htaccess

[riospace]

I have recently noticed another site coming up in searches for my site. This site has added entire pages from my site onto pages in there site.

<snip>

Of course, this can not be a good thing and will get me filtered for duplicate content. Can I stop this in .htaccess and if so how? Or, what would be the best way to stop this kind of theft of my content?

[edited by: jdMorgan at 2:49 am (utc) on Oct. 27, 2006]
[edit reason] No uRLs please. See Terms of Service. [/edit]

[jdMorgan]

If this is a typical "proxy service' duplicate problem, the easiest thing to try is to go to that site and view your page(s). Then look at your raw server access logs and find your own requests. Note the IP address, IP addresses, or IP address range used by the proxy as shown in the log. Then block the IP address(es) using mod_access or mod_rewrite.

Jim