변군이글루

iptables 에러 "iptables: No config file."

1. config file 확인(파일 없음)
# service iptables start
iptables: No config file.                                  [주의]

2. touch로 config 파일 생성
# touch /etc/sysconfig/iptables

3. iptables 데몬 기동
# service iptables start      
iptables: 방화벽 규칙 적용 중:                             [  OK  ]

4. iptables 정책 확인
# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination        

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination        

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination        

5. iptables 정책을 파일로 저장
# service iptables save
iptables: 방화벽 규칙을 /etc/sysconfig/iptables에 저장 중: [  OK  ]

6. config file 확인(정책 입력된 파일)
# cat /etc/sysconfig/iptables
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# Generated by iptables-save v1.4.7 on Thu Feb  2 11:35:53 2017
*filter
:INPUT ACCEPT [6:528]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [5:1064]
COMMIT
# Completed on Thu Feb  2 11:35:53 2017
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