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nat
on Oct 17, 2019
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Stupid Unix Tricks
Is there any advantage/difference to using ProxyCommand with netcat vs just saying "ProxyJump bastion.example.com"?
termie
on Oct 17, 2019
[–]
ProxyJump was added in OpenSSH 7.3 so systems from a few years ago might not support it. It does the same thing as ProxyCommand with -W %h:%p but you can’t set custom options for the jump connection with ProxyJump.
stragies
on Oct 17, 2019
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OpenSSH 7.3 was released on 2016-08-01, so more than 3 years ago. Nobody should be running SSH versions this old (hopefully).
Pete_D
on Oct 17, 2019
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root
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CentOS 6 lives on in enterprise, unfortunately. (don't know exact OpenSSH version but didn't support -J when I checked earlier)
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