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when your relay administrator forbid ssh tunneling.

THIS MAY HELP

function

1.forward your tcp streams without listening any ports on relay.
2.binding remote port on localhost.

how does it works

Transfer your tcp I/O streams into terminal's std I/0 stream with HEX encoding.

** why not transfer with z-modem protocol? **
My company's operation administrator forbids this protocol.

usage

relay

  1. download tun file from repo,put it at ${HOME} of relay
  2. chmod +x tun

local

  1. install JDK1.8
  2. download from repo: tool-sshTunnel-0.1beta.jar， tunnels.properties， jsch-0.1.53.jar，sshTunnel.bat
  3. modify tunnels.properties
  4. run sshTunnel.bat

host=127.0.0.1           #ssh address of relay
port=22                  #ssh port
username=${smmoth_criminal}        # username
password=${annie_are_you_ok}       # password
commandline=/path/to/tun 

30193=10.1.18.193 32200         #localPort=remoteAddress remotePort
30198=10.1.0.198 32200

hint

kg 只在跳板机上面禁止了tunnel.
通过这个跳到业务机再使用原生ssh隧道可以直连接数据库做爱做的事. 当然所有行为都是加密的. 然后跑路