cfftp 500 Illegal PORT range rejected

Try setting the passive attribute to "yes" where your cfftp action is equal to putFile.

<cfftp action="open" server="ftp.server.com" username="username" password="password" passive="yes" connection="connectionName" >

<cfftp action="putFile" localfile="/var/www/html/#filename#" remotefile="#filename#" passive="yes" transfermode="ascii" timeout="30" connection="connectionName">