BLOCK AND REDIRECT SITE TO ANOTHER SITE IN VB6

When the User Type in the Browser one site in list of blocked sites, the software redirect to another site Example, The User Open Firefox or Internet Explorer or Crhome and Type [login to view URL] or [login to view URL] or [login to view URL] the software needs to intercept the http request and redirect to another site, like [login to view URL] i need the source