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간단하게 iptables를 설정했는데ftp가 안됨니다. 물론 iptable을 내리면 되구요. 무엇이 잘못된거같은데.. 다음은 제가 설정한 것입니다. (환경: redhat7.2, 커널-2.4.7) /etc/sysconfig/에 있는 iptables ========================================================= #!/bin/sh #우선 모든 Rule을 정리한다. /sbin/iptables -F # 다음으로 각각에 대한 정책을 세운다. /sbin/iptables -P INPUT DROP /sbin/iptables -P OUTPUT ACCEPT /sbin/iptables -P FORWARD DROP /sbin/iptables -A INPUT -p tcp --dport 22 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 80 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 21 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 20 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 3306 -j ACCEPT /sbin/iptables -A INPUT -p tcp --dport 1:65535 -j DROP /sbin/iptables -A INPUT -p icmp --icmp-type echo-request -j DROP ========================================================= 그다음 /etc/rc.d/rc.local에서 iptables자동시작하게 함 iptables 실행결과============================================== [root@com10 rc.d]# iptables -L Chain INPUT (policy DROP) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:ssh ACCEPT tcp -- anywhere anywhere tcp dpt:http ACCEPT tcp -- anywhere anywhere tcp dpt:ftp ACCEPT tcp -- anywhere anywhere tcp dpt:ftp- data ACCEPT tcp -- anywhere anywhere tcp dpt:mysql DROP tcp -- anywhere anywhere tcp dpts:tcpmux:65535 DROP icmp -- anywhere anywhere icmp echo- request Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination ==============================================================
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