Page redirect based on referrer I am looking for an option to redirect user referred from a specific url (say abc.com) to domain.com/abc in Drupal 7
if http_referrer='abc.com' redirect to xyz.com/abc 
I looked at Redirect, http response headers modules but need something for http_referrer.

Preferably without code modification.
You could add a redirect in the .htaccess file if you're using Apache. Something like this: 

&lt;IfModule mod_rewrite.c&gt;
  RewriteEngine on
  RewriteCond %{HTTP_REFERER} .*abc.com  [NC]
  RewriteRule .* http://example.com/abc  [R] 
&lt;/IfModule&gt;