This means that the saved session for server03 will call the saved session for server02 and server02 saved session will call the server01 session. Proxy config panel: type local // proxy command plink -load server02 -nc %host:%port Proxy config window: type local // proxy command plink -load server01 -nc %host:%portįor server03 we have a Putty saved session as: PuttyPC -> server01 -> server02 -> server03įor server01 we have a Putty saved session as:įor server02 we have a Putty saved session as: We have four machines accessible in this order To learn more about Pageant, PuTTYgen and public keys see: This method is similar to the way you can use proxycommand in the open ssh config file.Ī prerequisites for this method is that Pageant must be used with public key authentication by all intermediate (proxy) hosts otherwise you will end up with a flashing cursor and nothing else. Let me know in the comments whether this works for you. Your connection will be tunneled as if you're connecting to server3 directly. Use WinSCP to connect to localhost on port 15502. Destination: server3:22 (the secure shell port).Now, every time you connect to port 15500 on your local machine, your connection is being tunneled to port 22 on server2. Use these settings:ĭestination: server2:22 (the secure shell port) The two categories you'll need to edit are "Session" and "Connection→SSH→Tunnels". When you open PuTTY, you're met with the PuTTY Configuration dialog. Since SSH uses port 22, we'll use each SSH connection to tunnel a local port to the next server's port 22. The first solution that leaps to mind is to tunnel one local port to each of your servers. (I don't use it, so I'm not too familiar with its features.) plink and the rest of the PuTTY suite ( pscp, psftp, etc.) load anything saved in PuTTY's graphical configuration hopefully WinSCP does too. Similarly, you can configure PuTTY to use the proxy command plink -P %proxyport -pw %pass nc %host %port, and set the proxy hostname/port/user/password in the Connection/Proxy configuration pane accordingly. The rest of the -o**** settings are out of paranoia, so that nothing breaks even if a Host server1 stanza with really odd settings is added to ssh_config.The ssh connection being tunneled is already encrypted, so there's no point in using the heavier aes/ 3des for the outer layer arcfour and blowfish are faster.To be more complete, I usually use ssh -oCiphers=arcfour128,arcfour256,arcfour,blowfish-cbc -oControlMaster=no -oForwardX11=no -oForwardAgent=no -oPermitLocalCommand=no -oClearAllForwardings=yes server1 nc %h %p as the Prox圜ommand. # to connect to server3, tunnel through server2 # to connect to server2, tunnel through server1 This allows me to directly type sftp server3 without having to worry about manually starting the server2 and server1 tunnels first. plink. On PCA I execute this: plink.exe -R 12345:localhost:22 rootPCB. I want to access files on PCA from any PCC. PCB is Debian server with public IP and with OpenSSH. In OpenSSH, I use this setup when I need tunnels. PCA is behind NAT/Firewall, it runs Windows.
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