ssh tunnel on demand ssh tunnel on demand provides a script that creates an SSH tunnel on demand.
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ssh tunnel on demand provides a script that creates an SSH tunnel on demand. ssh tunnel on demand provides a script that creates an SSH tunnel on demand.ssh tunnel on demand is a script that makes it possible for a user to create an SSH tunnel to a server and connect to it without needing an account on the box or any experience with SSH. It was written for users that wanted to connect to Usermin at a remote site. Users enter information into a Web form and the server then connects an SSH tunnel to the remote Usermin server and redirects the browser through the tunnel.Requirements:· Apache (tested with version 2)· PHP (tested with version 4)· Screen (tested with version 4)HowTO:1) Configure apache to use PHP2) Put this file in the webroot3) create a dumb user:# useradd dumb -s /bin/bash -d /home/dumb# passwd dumb# mkdir -p /home/dumb/.ssh# chown -R dumb /home/dumb4) Edit the apache user (usually either apache or nobody):give the apache user a home directory# mkdir -p /home/http/.ssh# chown -R dumb /home/httpgive apache a shell (this is only temporary) such as bash5) Do a key exchange between the apache user and the dumb users:# su - apacheuser (whatever it is)# ssh-keygen -t dsa -f ~/.ssh/id_dsa -C "apache@127.0.0.1"DONT PASSWORD THE KEY. JUST HIT ENTER WHEN PROMPTED# scp ~/.ssh/id_dsa dumb@127.0.0.1:.ssh/ENTER THE dumb USERS PASSWORD# cat ~/.ssh/id_dsa.pub | ssh dumb@127.0.0.1 'cat - >> ~/.ssh/authorized_keys'ENTER THE dumb USERS PASSWORD6) Edit the apache user and change the shell back to whatever it was (/bin/false or /sbin/nologin or whatever)7) To have the tunnel close after a certian time, edit your sshd servers config file to an appropriate timeout.

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