查询服务器端口脚本
发布时间:2020-12-15 23:05:50 所属栏目:安全 来源:网络整理
导读:#!/bin/ bash#IPaddr =` ifconfig | grep inet\s | grep -v " 127.0.0. " | sed " s/addr://g " | awk ‘ {print $2} ‘ `check_port(){ linenum =$(netstat -tlpn | grep " b$1b " | wc - l); echo " $linenum " } function getfreeport(){ first =$ 1
#!/bin/bash #IPaddr=`ifconfig | grep inet\s | grep -v "127.0.0." | sed "s/addr://g"| awk ‘{print $2}‘` check_port() { linenum=$(netstat -tlpn | grep "b$1b" | wc -l); echo "$linenum" } function getfreeport() { first=$1 last=$2 for (( port = $first; port <= ${last}; port++ )) do #(echo > /dev/tcp/$IPaddr/$port) &> /dev/null echo $port check_values=$(check_port $port); echo "check=$check_values"; if [ $check_values -eq 0 ];then echo "端口$port可以使用" break return $port fi done } port=$(getfreeport 20880 20900) echo "free port=${port}" (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |