ErrorDocument 500 http://foo.example.com/cgi-bin/tester ErrorDocument 404 "404 - Lost in Space! ErrorDocument 401 /subscription_info.html ErrorDocument 403 "403 - Sorry can't allow you access today order deny,allow deny from all allow from uvm.edu allow from 132.198.
Reference: http://www.usask.ca/dcs/courses/cai/htaccess/domain_example.html .