Using SCP Through a Gateway

    Date11 Apr 2002
    CategoryCryptography
    3015
    Posted ByAnthony Pell
    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
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