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時間:2015-12-10 16:27:30 作者:zhijie 來源:系統(tǒng)之家 1. 掃描二維碼隨時看資訊 2. 請使用手機(jī)瀏覽器訪問: https://m.xitongzhijia.net/xtjc/20151210/63389.html 手機(jī)查看 評論 反饋
Linux系統(tǒng)中Fail2ban是一款保護(hù)服務(wù)器免受網(wǎng)絡(luò)攻擊的工具,F(xiàn)ail2ban可以通過黑名單來禁止IP訪問。既然有被禁止的IP,那么問題來了,CentOS系統(tǒng)如何把IP從Fail2ban黑名單中移除。
如何列出被禁止的 IP要查看所有被禁止的 ip 地址,運(yùn)行下面的命令:
# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
f2b-AccessForbidden tcp -- anywhere anywhere tcp dpt:http
f2b-WPLogin tcp -- anywhere anywhere tcp dpt:http
f2b-ConnLimit tcp -- anywhere anywhere tcp dpt:http
f2b-ReqLimit tcp -- anywhere anywhere tcp dpt:http
f2b-NoAuthFailures tcp -- anywhere anywhere tcp dpt:http
f2b-SSH tcp -- anywhere anywhere tcp dpt:ssh
f2b-php-url-open tcp -- anywhere anywhere tcp dpt:http
f2b-nginx-http-auth tcp -- anywhere anywhere multiport dports http,https
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT icmp -- anywhere anywhere
ACCEPT all -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere tcp dpt:EtherNet/IP-1
ACCEPT tcp -- anywhere anywhere tcp dpt:http
REJECT all -- anywhere anywhere reject-with icmp-host-prohibited
Chain FORWARD (policy ACCEPT)
target prot opt source destination
REJECT all -- anywhere anywhere reject-with icmp-host-prohibited
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
Chain f2b-NoAuthFailures (1 references)
target prot opt source destination
REJECT all -- 64.68.50.128 anywhere reject-with icmp-port-unreachable
REJECT all -- 104.194.26.205 anywhere reject-with icmp-port-unreachable
RETURN all -- anywhere anywhere
如何從 Fail2ban 中移除 IP
# iptables -D f2b-NoAuthFailures -s banned_ip -j REJECT
以上就是CentOS系統(tǒng)把IP從Fail2ban黑名單中移除的方法了,把IP地址從Fail2ban黑名單中移除了以后,也就解除了該IP對服務(wù)器訪問的限制。
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