Zabbix监控TCP状态

UserParameter=tcp.state[*],/data/scripts/auto_detection_tcp_state.sh $1

#!/bin/bash
#Date：2019-8-18 21:05:46
#by author Yangxz
#TCP连接数及状态

if [ $# -ne 1 ];then
	echo -e "\033[32mUsage: sh $0 {ESTABLISHED|LISTEN|TIME_WAIT|CLOSED|CLOSE_WAIT|CLOSING|FIN_WAIT1|FIN_WAIT2|LAST_ACK|SYN_RECV|SYN_SENT}\033[0m"
	exit 1
fi

case $1 in 
	#socket已经建立连接
	ESTABLISHED)   
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "ESTABLISHED")
	echo $result
	;;
	#监听状态  
	LISTEN)       
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "LISTEN")
	echo $result
	;;
	#表示收到了对方的FIN报文，并发送出了ACK报文，等待2MSL后就可回到CLOSED状态
	TIME_WAIT)     
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "TIME_WAIT")
	echo $result
	;;
	#socket没有被使用，无连接
	CLOSED)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "CLOSED")
	echo $result
	;;
	#等待关闭连接
	CLOSE_WAIT)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "CLOSE_WAIT")
	echo $result
	;;
	#服务器端和客户端都同时关闭连接
	CLOSING)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "CLOSING")
	echo $result
	;;
	#套接字已关闭，连接正在关闭
	FIN_WAIT1)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "FIN_WAIT1")
	echo $result
	;;
	#连接已关闭，套接字正在等待从远程端关闭
	FIN_WAIT2)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "FIN_WAIT2")
	echo $result
	;;
	#远端关闭，当前socket被动关闭后发送FIN报文，等待对方ACK报文
	LAST_ACK)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "LAST_ACK")
	echo $result
	;;
	#接收到SYN报文
	SYN_RECV)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "SYN_RECV")
	echo $result
	;;
	#已经发送SYN报文
	SYN_SENT)
	result=$(netstat -an | awk '/^tcp/ {print $0}'|grep -wc "SYN_SENT")
	echo $result
	;;  
	*)
	echo -e "\033[32mUsage: sh $0 {ESTABLISHED|LISTEN|TIME_WAIT|CLOSED|CLOSE_WAIT|CLOSING|FIN_WAIT1|FIN_WAIT2|LAST_ACK|SYN_RECV|SYN_SENT}\033[0m"
esac