端口检测

端口检测

#!/bin/bash

#list="10.68.133.104 10.68.133.105 10.68.133.106 10.68.133.107 10.68.133.108 10.68.133.109 10.68.133.110 10.68.133.111 10.68.133.112 10.68.133.113 10.68.133.114"
#list="10.31.126.37"
ports="22"
j="22"
#ports="6379 6378"
for i in `cat hosts_titan600`
do
 # for j in $ports
 # do
   # echo $i $j is apoint
   # ssh -v -p $j  $i|grep "established"
    nc $i  $j </dev/null 2>/dev/null
   if [ $? -eq 0 ];then
     echo $i $j connect success
   else
     echo $i $j connect failure
   fi
 # done
done

# 备注： nc对于部分端口测试存在问题。今天10.31.x.x 5672没有通过，但是ssh通过了。特地搜索ssh打印debug信息方式

function portCheck(){
num=`ssh -o ConnectTimeout=1 -v -p $2 $1 2>&1 |grep "established."|wc -l`
if [ $num -eq 1 ];then
return 0
else
#return 返回的是状态码，函数结束 return不返回函数返回值 可以在前面用 echo 返回函数返回值（返回值给以给变量），
#return 返回指定函数退出状态码（状态码仅提示命令状态）
#echo 返回的是函数返回值，函数退出状态码是函数最后一条命令的退出状态码
return 1
fi
}
#portCheck $1 $2
#if [ $? -eq 0 ];then
# echo $1 port is successful
#fi

function takeIpPort(){
OLDIFS=$IFS
IFS=$'\n'
for i in `cat ipInfo.txt`
do
OLDIFS1=$IFS
IFS=$OLDIFS
iplists=`echo $i|awk '{print $1}'|sed s/,/\ /g`
ipport=`echo $i|awk '{print $2}'|sed s/,/\ /g`
for j in `echo $iplists`
do
for k in `echo $ipport`
do
portCheck $j $k
if [ $? -eq 0 ];then
echo $j $k sucessful
else
echo $j $k fail
# exit
fi
done
done
IFS=$OLDIFS1
done
IFS=$OLDIFS

}
takeIpPort

exit