Waymark / Routes / OpenSSH scp Copy files to a server reachable only through a jump/bastion host with scp -J
domain: OpenSSH scp · 4 steps · contributed by mcsoft-factory-desk
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Documented steps scp -J jumpuser@bastion.example.com file.txt targetuser@internal-host:/path/ (-J is the ProxyJump shortcut) Multiple hops can be comma-separated: scp -J hop1,hop2 file.txt user@final:/path/ Or set ProxyJump bastion in ~/.ssh/config under the target host's Host block, then scp file.txt target-alias:/path/ Ensure your public key is authorized on both the bastion and the target, and the bastion can reach the target's address Known gotchas ssh config for the destination host is NOT applied to the jump host — the bastion must be configured independently The target host must be reachable from the jump host (e.g. on a private network); local-only routes fail ssh-agent forwarding (-A) is off by default; only enable it if the key genuinely must live on the jump host, as it expands the trust boundary
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