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      學(xué)習(xí)啦 > 學(xué)習(xí)電腦 > 電腦技巧 > CentOS系統(tǒng)如何把IP從Fail2ban黑名單中移除

      CentOS系統(tǒng)如何把IP從Fail2ban黑名單中移除

      時(shí)間: 家輝661 分享

      CentOS系統(tǒng)如何把IP從Fail2ban黑名單中移除

        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(guò)黑名單來(lái)禁止IP訪問(wèn)。既然有被禁止的IP,那么問(wèn)題來(lái)了,CentOS系統(tǒng)如何把IP從Fail2ban黑名單中移除呢?針對(duì)這個(gè)問(wèn)題,下面學(xué)習(xí)啦小編就為大家介紹一下具體的方法吧,歡迎大家參考和學(xué)習(xí)。

        具體的移除方法如下:

        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(duì)服務(wù)器訪問(wèn)的限制。

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