[Rdo-list] Access FTP installed on icehouse from instance

I have a FTP server running on my icehouse server. I want to access this FTP server from my instance. If I flush the IPTables rules on icehouse I am able to access ftp from instance to icehouse. In which Chain should I add this iptables rule. — Swapnil Jain | Swapnil(a)Linux.com RHC{A,DS,E,VA}, CC{DA,NA}, MCSE, CNE