Unknown URL in search result

[indias next no1]

i don't have any url like this in my website

http://www.example.com/subdirectory/?_ult_url_params=sec%3Dsrp%26slk%3Dweb%26cpos% .....

but google search results shows this URL .

When i click it, it shows the contents of my subdirectory index page.

i like to know whether someone hacked my website and inserted a URL, ?

i can't able t o find such page in my ftp server.

if you have answer please reply

[edited by: tedster at 3:11 pm (utc) on Dec. 23, 2009]
[edit reason] switch to example.com - it can never be owned [/edit]

[Badcol]

A URL search of allinurl: ?_ult_url_params=sec%3Dsrp%26slk%3Dweb%26cpos% shows 397 sites with similar problems.

[indias next no1]

yes, but i like to know whether it is just a crawl error, or someone trying to hack my website

[tedster]

It's not a true error, because your server does serve a page for that URL. Most likely someone has a link like that on a web page that googlebot indexed, and when Google requested that URL from your site, your server gave them content with a 200 response.

My guess is that someone is using software created for some common webmaster tasks - link building, rank checking on competitors, something like that - and the results page gets published online where googlebot can spider it.

I'd suggest you configure your server to 301 redirect any URLs with query strings you don't use to the same URL without the query string. That will avoid any issues with Google.

[indias next no1]

thanks tedster