Friday, 23 Nov, 2007 | 3 Comments Here's my experience on actively contributing in the resolution of a problem related to Active FTP & gnu-linux/ip-tables based firewall solution. First, make sure your firewall has loaded the following modules: ip_conntrack_ftp ip_nat_ftp Then check that the right Forwarding rules apply: iptables -I FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT being "RELATED" the important part. Hope it saves the day to someone...mines already got lost 🙁 4.5/5 - (2 votes) Andrea MatesiSenior Professional Network and Computer Systems Engineer during work hours and father when home. Andrea strives to deliver outstanding customer service and heaps of love towards his family. In this Ad-sponsored space, Andrea shares his quest for "ultimate" IT knowledge, meticulously brought to you in an easy to read format. Share this:LinkedIn Related