修改了防火墙笔记

linux/linux服务器配置/zsh/zsh的配置文件.md

@@ -1,4 +1,4 @@
-```
+```shell
 # If you come from bash you might have to change your $PATH.
 export PATH=$HOME/bin:/usr/local/bin:$PATH
  

linux/linux服务器防护/iptables.md

@@ -58,6 +58,7 @@ iptables -A FORWARD -p icmp -m limit --limit 1/s --limit-burst 10 -j ACCEPT
 ```sh
 #! 使用firewalld
 #! /bin/bash
+PATH=$PATH:/usr/sbin
 cat /var/log/secure|awk '/Failed/{print $(NF-3)}'|sort|uniq -c|awk '{print $2"="$1;}' > /usr/local/bin/black.txt
 for i in `cat  /usr/local/bin/black.txt`
 do
@@ -75,6 +76,7 @@ done
 ```sh
 #! 使用iptables
 #! /bin/bash
+PATH=$PATH:/usr/sbin
 cat /var/log/secure|awk '/Failed/{print $(NF-3)}'|sort|uniq -c|awk '{print $2"="$1;}' > /usr/local/bin/black.txt
 for i in `cat  /usr/local/bin/black.txt`
 do