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