通过 iptables 启用 VSFTPD

Question

如何在以下 IPTables 配置上允许 FTP 连接....

Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     all  --  anywhere             anywhere            ctstate RELATED,ESTABLISHED 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:www 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:https 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:1111 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:ftp 
ACCEPT     all  --  anywhere             anywhere            state RELATED,ESTABLISHED 
DROP       all  --  anywhere             anywhere            

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination 

Answer 1

这已经涵盖了

检查此链接

尝试

 lsmod | grep ftp
 modprobe ip_conntrack_ftp
 lsmod | grep ftp

第一个命令应该不显示任何内容，第三个命令应该显示类似的内容..

ip_conntrack_ftp       41361  0 
ip_conntrack           91621  4 ip_conntrack_ftp,ipt_MASQUERADE,iptable_nat,ip_nat

这有用吗？？