IPTABLES dan FTP Server

Muat modul:

modprobe nf_conntrack_ftp

Tambahkan ke /etc/rc.d/rc.local

echo "modprobe nf_conntrack_ftp" >> /etc/rc.d/rc.local

Tambahkan entri: /etc/sysconfig/iptables-config"

IPTABLES_MODULES="nf_conntrack_ftp"

Salin dan paste konfigurasi di bawah ini ke /etc/sysconfig/iptables

# /etc/sysconfig/iptables 
# Generated by iptables-save v1.4.1.1 on Tue May 24 11:28:49 2011
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [11535:1203162]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 
-A INPUT -p icmp -j ACCEPT 
-A INPUT -i lo -j ACCEPT 
-A INPUT -d 224.0.0.251/32 -p udp -m state --state NEW -m udp --dport 5353 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 21 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 110 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 25 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 53 -j ACCEPT 
-A INPUT -p udp -m state --state NEW -m udp --dport 53 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 873 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 993 -j ACCEPT 
-A INPUT -p tcp -m state --state NEW -m tcp --dport 995 -j ACCEPT 
-A INPUT -j REJECT --reject-with icmp-host-prohibited 
-A FORWARD -j REJECT --reject-with icmp-host-prohibited 
-A OUTPUT -p tcp -m state --state NEW -m tcp --sport 20 -j ACCEPT 
COMMIT
# Completed on Tue May 24 11:28:49 2011

Taut:

• http://www.fedoraforum.org/forum/showthread.php?t=247598