ZABBIX监控TCP连接状态
一、获取监控数据
# /bin/netstat -an|awk '/^tcp/{++S[$NF]}END{for(a in S) print a,S[a]}'
LISTEN
ESTABLISHED
TIME_WAIT
TCP各监控状态描述
ESTABLISHED socket已经建立连接
CLOSED socket没有被使用，无连接
CLOSING 服务器端和客户端都同时关闭连接
CLOSE_WAIT 等待关闭连接
TIME_WAIT 表示收到了对方的FIN报文，并发送出了ACK报文，等待2MSL后就可回到CLOSED状态
LAST_ACK 远端关闭，当前socket被动关闭后发送FIN报文，等待对方ACK报文
LISTEN 监听状态
SYN_RECV 接收到SYN报文
SYN_SENT 已经发送SYN报文
FIN_WAIT1 客户端调用close()关闭连接后，TCP发出FIN标记主动关闭连接，然后进入FIN_WAIT1状态，等待远程TCP连接中断或者确认
FIN_WAIT2 半关闭状态，主动关闭端(也就是客户端调用close()后)接收到ack确认后，此时进入FIN_WAIT2状态，该状态下，客户端应用程序依然能接收数据
二、监控脚本
# cat /etc/zabbix/tcp_conn_status.sh
#!/bin/bash
#this script is used to get tcp and udp connetion status
#tcp status
metric=$
tmp_file=/tmp/tcp_status.txt
/bin/netstat -an|awk '/^tcp/{++S[$NF]}END{for(a in S) print a,S[a]}' > $tmp_file case $metric in
closed)
output=$(awk '/CLOSED/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
listen)
output=$(awk '/LISTEN/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
synrecv)
output=$(awk '/SYN_RECV/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
synsent)
output=$(awk '/SYN_SENT/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
established)
output=$(awk '/ESTABLISHED/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
timewait)
output=$(awk '/TIME_WAIT/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
closing)
output=$(awk '/CLOSING/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
closewait)
output=$(awk '/CLOSE_WAIT/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
lastack)
output=$(awk '/LAST_ACK/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
finwait1)
output=$(awk '/FIN_WAIT1/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
finwait2)
output=$(awk '/FIN_WAIT2/{print $2}' $tmp_file)
if [ "$output" == "" ];then
echo
else
echo $output
fi
;;
*)
echo -e "\e[033mUsage: sh $0 [closed|closing|closewait|synrecv|synsent|finwait1|finwait2|listen|established|lastack|timewait]\e[0m" esac
三、修改zabbix_agentd.conf配置文件，并重启zabbix-agent服务
# cat /etc/zabbix/zabbix_agentd.conf
PidFile=/var/run/zabbix/zabbix_agentd.pid
LogFile=/var/log/zabbix/zabbix_agentd.log
LogFileSize=
Server=192.168.x.x
Hostname=192.168.x.x
Include=/etc/zabbix/zabbix_agentd.d/*.conf
UnsafeUserParameters=1
UserParameter=tcp.status[*],/etc/zabbix/tcp_conn_status.sh $1
# systemctl restart zabbix-agent # 修改生成文件tc-_status.txt文件的权限
# chmod 777 /tmp/tcp_status.txt
四、在zabbix-master端进行测试，看看能否获取到数据
[root@zabbix-master ~]# zabbix_get -s 192.168.5.150 -p -k tcp.status[listen]
五、导入zabbix模板文件
文件名：tcp_export_templates.xml，内容如下 <?xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
<version>2.0</version>
<date>--16T10::55Z</date>
<groups>
<group>
<name>Templates</name>
</group>
</groups>
<templates>
<template>
<template>Template TCP Connection Status</template>
<name>Template TCP Connection Status</name>
<groups>
<group>
<name>Templates</name>
</group>
</groups>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<items>
<item>
<name>CLOSED</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[closed]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>CLOSE_WAIT</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[closewait]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>CLOSING</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[closing]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>ESTABLISHED</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[established]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>FIN_WAIT1</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[finwait1]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>FIN_WAIT2</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[finwait2]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>LAST_ACK</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[lastack]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>LISTEN</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[listen]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>SYN_RECV</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[synrecv]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>SYN_SENT</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[synsent]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
<item>
<name>TIME_WAIT</name>
<type></type>
<snmp_community/>
<multiplier></multiplier>
<snmp_oid/>
<key>tcp.status[timewait]</key>
<delay></delay>
<history></history>
<trends></trends>
<status></status>
<value_type></value_type>
<allowed_hosts/>
<units/>
<delta></delta>
<snmpv3_contextname/>
<snmpv3_securityname/>
<snmpv3_securitylevel></snmpv3_securitylevel>
<snmpv3_authprotocol></snmpv3_authprotocol>
<snmpv3_authpassphrase/>
<snmpv3_privprotocol></snmpv3_privprotocol>
<snmpv3_privpassphrase/>
<formula></formula>
<delay_flex/>
<params/>
<ipmi_sensor/>
<data_type></data_type>
<authtype></authtype>
<username/>
<password/>
<publickey/>
<privatekey/>
<port/>
<description/>
<inventory_link></inventory_link>
<applications>
<application>
<name>TCP Status</name>
</application>
</applications>
<valuemap/>
</item>
</items>
<discovery_rules/>
<macros/>
<templates/>
<screens/>
</template>
</templates>
<triggers>
<trigger>
<expression>{Template TCP Connection Status:tcp.status[timewait].last()}></expression>
<name>There are too many TCP TIME_WAIT status</name>
<url/>
<status></status>
<priority></priority>
<description/>
<type></type>
<dependencies/>
</trigger>
</triggers>
<graphs>
<graph>
<name>TCP Status</name>
<width></width>
<height></height>
<yaxismin>0.0000</yaxismin>
<yaxismax>100.0000</yaxismax>
<show_work_period></show_work_period>
<show_triggers></show_triggers>
<type></type>
<show_legend></show_legend>
<show_3d></show_3d>
<percent_left>0.0000</percent_left>
<percent_right>0.0000</percent_right>
<ymin_type_1></ymin_type_1>
<ymax_type_1></ymax_type_1>
<ymin_item_1></ymin_item_1>
<ymax_item_1></ymax_item_1>
<graph_items>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>C80000</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[closed]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>00C800</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[closewait]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>0000C8</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[closing]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>C800C8</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[established]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>00C8C8</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[finwait1]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>C8C800</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[finwait2]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color>C8C8C8</color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[lastack]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color></color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[listen]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color></color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[synrecv]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color></color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[synsent]</key>
</item>
</graph_item>
<graph_item>
<sortorder></sortorder>
<drawtype></drawtype>
<color></color>
<yaxisside></yaxisside>
<calc_fnc></calc_fnc>
<type></type>
<item>
<host>Template TCP Connection Status</host>
<key>tcp.status[timewait]</key>
</item>
</graph_item>
</graph_items>
</graph>
</graphs>
</zabbix_export>
六、为主机添加此模板
显示数据如下：
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