Tips On Secure File Transfers Using SCP Through Gateways

Quick summary on some scp tricks. "Recall that the command: "$ scp ... S:file ..." actually runs ssh in a subprocess to connect to S and invoke a remote scp server. Now that we've gotten ssh working from client C . . . Quick summary on some scp tricks. "Recall that the command: "$ scp ... S:file ..." actually runs ssh in a subprocess to connect to S and invoke a remote scp server. Now that we've gotten ssh working from client C to server S, you'd expect that scp would work between these machines with no further effort. Well, it almost does, but it wouldn't be software if there weren't a couple of small problems to work around:

• Problems invoking the ssh subprocess, due to the forced command
• Authentication difficulties due to lack of a tty