批量测试网络端口连通情况shell脚本

需求:
需要从一台互信的主机上ssh到源端主机，然后去测试目标主机的端口是否可以访问
1.涉及脚本如下

具体实现
telnet_test.sh

source_name=sourceips
ports=ports
target=targets
while read LINE
do
source_ip=$LINE
while read TARGET
do
target_ip=$TARGET
while read PORT
do
port=$PORT
echo ---------$source_ip ---\> $target_ip:$port------------------ >> log.log
(sleep 1;) | /bin/ssh root@$source_ip "telnet $target_ip $port" >> log.log
#echo $result >> log.log
done < $ports
done < $target
done  < $source_name