Searched high and low to find this silly little info. Finally found it [here][1]. # define a pattern for the host url finding # %% => % sign # %0 => domain name + tld # %1 => tld # %2 => domain name without tld # %3 => subdomain 1 name # %4 => subdomain 2 name # Set default vhost server location here evhost.path-pattern = "/www/%0/htdocs" # If we don't have a %3, default to htdocs $HTTP["host"] =~ "^[^.]+\.[^.]+$" { evhost.path-pattern = "/www/%2.%1/htdocs/" } # If we don't have a %4, find the subdomain $HTTP["host"] =~ "^[^.]+\.[^.]+\.[^.]+$" { evhost.path-pattern = "/www/%2.%1/subdomains/%3/" } # If we have a %4, find the subdomain2.subdomain1.