Linux 端口转发

iptables -t nat -A PREROUTING  -d 114.114.114.114 -p tcp -m tcp --dport 3389 -j DNAT --to-destination 10.0.1.123:3389
iptables -t nat -A POSTROUTING -d 10.0.1.123 -p tcp -m tcp --dport 3389 -j SNAT --to-source 10.0.0.254
#外网接口地址114.114.114.114 内网接口地址10.0.0.254,内部服务器10.0.1.123转发端口3389

wget http://www.boutell.com/rinetd/http/rinetd.tar.gz
tar xzvf rinetd.tar.gz
cd rinetd
mkdir -p /usr/man/man8
make &&make install

 0.0.0.0 9001 192.168.1.1 3306
 0.0.0.0 9002 192.168.1.2 80
#绑定的地址、绑定的端口、转发的地址 、转发的端口

rinetd -c /etc/rinetd.conf

ssh -N -L   0.0.0.0:888:192.168.10.1:55555   -p55555  root@192.168.10.1 -f
#外网ssh访问转发主机888端口就可以连接到内网192.168.10.1;
-L 本机端口,-f 后台启用,-N 不打开远程shell,

GatewayPorts yes
#隧道监听0.0.0.0 ;默认127.0.0.1

ps aux|grep -v awk |awk   '/qngfNTR/ {print $2}'|xargs kill -9
ssh  -qngfNTR 8022:localhost:22  root@attacker.club -p55555

#!/bin/bash
HOST=192.168.21.103
SSH_SERVER="dev@134.96.138.125 -p 24242"
declare -a T
declare -a D
T[0]="-L $HOST:33900:192.168.102.90:3389"
T[1]="-L $HOST:33910:192.168.102.93:3389"
function start()
{
pidwl=$(ps -ef|grep -v grep|grep "$SSH_SERVER"|wc -l)
if [ "X$pidwl" == "X0" ]; then
    nohup /usr/local/bin/sshpass -p 'password' ssh -o ServerAliveInterval=6 -2 -f -nNT ${T[*]} $SSH_SERVER &
    echo "start $SSH_SERVER"
fi
echo `date +%Y%m%d%H%M%S`
}
function stop()
{
    ps -ef|grep -v grep|egrep "ServerAliveInterval"|awk '{print $2}'|xargs kill -9
    echo "stop Transmit"
}
case "$1" in
    start)
    $1
    ;;
    stop)
    $1
    ;;
    restart)
    stop
    start
    ;;
esac

stream {
    # 添加socket转发的代理
    upstream manager {
        hash $remote_addr consistent;
        # 转发的目的地址和端口
        server 10.0.10.10:3389 max_fails=3 fail_timeout=30s;
    }
    server {
    listen 9001;
    proxy_connect_timeout 1s;
    proxy_timeout 3s;
    proxy_pass manager;
    }
}
# 通过nginx 9001端口可以访问内网Windows跳板机。