#!/bin/bash
#此脚本为自动封ssh登录次数
num=10 #输错密码上限
for i in `awk '/Failed/{print ParseError: KaTeX parse error: Expected 'EOF', got '}' at position 7: (NF-3)}̲' /var/log/secu…1>ParseError: KaTeX parse error: Expected '}', got 'EOF' at end of input: num){print2}}'`
do
iptables -I INPUT -p tcp -s $i --dport 22 -j DROP
done
centos6 通过Iptablse 自动BAN 猥亵ssh的IP
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