端口检测

 1 #!/bin/bash
 2 
 3 #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"
 4 #list="10.31.126.37"
 5 ports="22"
 6 j="22"
 7 #ports="6379 6378"
 8 for i in `cat hosts_titan600`
 9 do
10  # for j in $ports
11  # do
12    # echo $i $j is apoint
13    # ssh -v -p $j  $i|grep "established"
14     nc $i  $j </dev/null 2>/dev/null
15    if [ $? -eq 0 ];then
16      echo $i $j connect success
17    else
18      echo $i $j connect failure
19    fi
20  # done
21 done