Download security

Probably not the answer you wanted, but I'll try and explain...

If you are using CGI, PHP, ASP scripts, then with a little clever code, you can make your pages more or less totally inaccessible without going via your payment link.

If you are using HTML then you need to be careful

Why?

First off HTML pages can get indexed into search engines.  

For the search engine to  find the page, there must be a link on some other page.  So provided there are no links anywhere to the page, except via your clickbank link, then you don't have to worry.  If your thankyou page was previously linked, maybe you want to rename it.

Next, some people call their thankyou page obvious names

For example:
www.yoursite.com/thankyou.html

It doesn't take much to guess this!   So instead call your thank you page something like (and change it once in a while)

www.yoursite.com/afjdaks324sadf.html

Next, some people suggest you create a robots.txt file - definition herehttp://www.searchenginerocket.com/basics/robotstxt.html- to tell search engies not to index your thank you page.   Don't do it!.  First off some search engines may index your thank you page because they see it robots.txt - not all search engines are well behaved!   Also a clever thief can guess you have robots.txt file and type into their browser

www.yoursite.com/robots.txt

and hey presto they know the thankyou URL!

Instead of robots.txt it is much better not to link to the thank you page anywhere (so it can't get indexed), and as I say change it once in a while.

Also  you need to check your have a default file (usually called index.html or index.htm or UNIX web hosts, or default.htm or default.asp) in each folder on your site.    Why?  Because many web hosts enable directory listing if a folder does not contain this file.

For example,  on many web hosts,

www.yoursite.com/
or
www.yoursite.com/subdir/

will list all the files in your site - ouch!

Download the file using FTP.  It may be VERY large depending on how busy your site is

The file is probably some form of text file, most likely 1 line per access per site

e.g.
fred access page.html which links to image1.gif and image2.gif and header.jpeg - this would be 4 lines

In each line it probably shows the IP address or network of the person accessing the file, the file name, time/date and maybe other stuff

Load the text file into an editor which can handle large files (not Notepad) but EDIT in MS-DOS will work unless the file is very large, and search for the file name of your EXE file download, or the name of your thank you page.