Mike,
On Wed, 10 Oct 2018, Mike via talk wrote:
... and not forgetting that Karen's DOS-based SSH client may not
provide these UNIX-style openssh features and configuration niceties!
Well...just so!
There might be an option somewhere in the <risk of misspelling> wat.pcp
configurations used to be sure, but it might be simpler to incorporate the
additional dh key options in the djpgg libraries too...not that I know how.
Kare
> On 10/10/18, Anthony de Boer via talk <[email protected]> wrote:
Jason Shaw via talk wrote:
On Wed, Oct 10, 2018 at 3:06 PM Mike via talk <[email protected]> wrote:
That is, SSH to your other shell account, and instead of running your
email program, run "ssh user@eugene...", and once connected to eugene,
proceed as though you were connected directly.
This is a great recommendation and can be easily automated. In your
personal ssh config, usually ~/.ssh/config you can add in:
Host *.dreamhost.com
ProxyCommand ssh -q shellworld_host nc %h %p
Those suggestions are two very different things. Mike is suggesting
SSH'ing to the shell on the intermediate box and then SSH'ing from it,
while Jason is suggesting to SSH the intermediate and then use it to
pipe an inner SSH connection through the outer SSH connection and emerge
there for the onward hop to the destination.
Caveat for the first solution: it involves using your credentials on the
intermediate box, so if anyone evil has compromised it they can now pop
the destination box too.
Caveat for the second solution: the SSH conversation still involves the
near-end client negotiating crypto with the far-end server, so if that
started off being the problem it's still that problem. Also, the middle
box might not have nc (netcat) installed but there are other tactics
like LocalForward configuration that can do the same thing.
Such plumbing is often necessary for a variety of reasons. Just make
sure you know where you are. The commands "whoami", and "hostname"
are often useful!
Setting the bash prompt to include the hostname is helpful. Always pause
a moment to be sure where you are before typing commands like reboot,
poweroff, and such. I've even known people to alias away commands like
that on shared servers after inadvertently using them a time too many
thinking they were on their test rig.
--
Anthony de Boer
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