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by chasil 4 hours ago
The article mentions bastions, but no jumphosting?

  ssh -J user1@bastion1,user2@bastion2 targetuser@targethost
Edit: Jumphosting was introduced in OpenSSH 7.3 2016-08-01.

https://www.openssh.org/releasenotes.html
2 comments
dspillett 4 hours ago
It is surprising how many times I see this content (this version might be marked “Published: Jun 19, 2026” but I've definitely seen those exact diagrams before, starting at least a few years ago, and the same content around them in many tutorials before that) without it being updated to mention jump-hosts.

Support was added to OpenSSH about a decade ago? Even on a low moving Linux distro like Debian/LTS everyone should have support by now.

link
m348e912 45 minutes ago
>ssh -J user1@bastion1,user2@bastion2 targetuser@targethost

Are you using SSH key auth or password authenticating three times when you do this?

link