[CentOS] chmodding SCP

Wed Feb 22 10:18:37 UTC 2012
Kay Diederichs <kay.diederichs at uni-konstanz.de>

On 02/21/2012 07:30 PM, Turnbough, Bradley E. wrote:
> I have two machines, and I am trying to copy files from one to the other via SCP.
> Since this machine is accessible from two of our networks, we're trying to restrict the use of SCP to a select few individuals to prevent unauthorized data transmission from network to network.
> What we did was we chmodded 700 /usr/bin/scp.  The owner has remained root and the group has remianed root.

there are many ways for users to circumvent this, e.g.
cat <file> | ssh otherhost "cat > file"
or using their own scp binary (copied from a different machine, or 
extracted from the .rpm)

>> From a different machine, I'm trying to scp to that machine, but I'm receiving an "access denied".
> My ssh key is in the authorized users file in the root profile.
> Anyone have a logical explanation?
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